This page gives the number of IPv6 addresses allocated to each Local Internet Registry (LIR) in United Kingdom (UK) by RIPE NCC (Europe, the Middle East and parts of Central Asia), according to RIPE NCC allocations file.
The number of IPv6 addresses is given in /32 blocks.
The link on the number of IPv6 addresses for a LIR redirects to the list of IPv4 and IPv6 addresses allocated to this LIR by RIPE NCC.
The "LIR Info" link for a LIR opens the RIPE NCC Information page for this LIR in a new window (RIPE NCC website).
The table can be sorted by number of IPv6 addresses or by LIR name.
| Rank | Local Internet Registry (LIR) | LIR Code | Number of addresses | Percentage | LIR Info |
|---|---|---|---|---|---|
| 142 | 05 COMMUNICATIONS LTD | uk.05comm | 8 | 0.038 % | LIR Info |
| 964 | 11:11 SYSTEMS UK LIMITED | uk.iland | 1 | 0.005 % | LIR Info |
| 114 | 1310 Limited | uk.1310limited | 9 | 0.043 % | LIR Info |
| 142 | 20i Limited | uk.20i | 8 | 0.038 % | LIR Info |
| 964 | 24 Seven Communications Ltd | uk.24seven | 1 | 0.005 % | LIR Info |
| 142 | 24Shells Limited | uk.24shells | 8 | 0.038 % | LIR Info |
| 964 | 34SP.com Limited | uk.34sp | 1 | 0.005 % | LIR Info |
| 142 | 39D Services LTD | uk.ghost | 8 | 0.038 % | LIR Info |
| 13 | 3nt solutions LLP | uk.3nt | 48 | 0.228 % | LIR Info |
| 964 | 4COM TECHNOLOGIES LIMITED | uk.4complc | 1 | 0.005 % | LIR Info |
| 964 | 4MS Network Solutions Ltd. | uk.4ms | 1 | 0.005 % | LIR Info |
| 142 | 4net Technologies Ltd | uk.4net | 8 | 0.038 % | LIR Info |
| 142 | 4on LTD | uk.4onltd | 8 | 0.038 % | LIR Info |
| 142 | 4x Solutions UK LTD | uk.4xsolutions | 8 | 0.038 % | LIR Info |
| 142 | 5G Communications Limited | uk.utl | 8 | 0.038 % | LIR Info |
| 142 | 7BG Enterprises LLP | uk.interhost | 8 | 0.038 % | LIR Info |
| 940 | 8X8 UK Limited | uk.voicenet | 2 | 0.009 % | LIR Info |
| 142 | A.B.F.HOLDINGS LIMITED | uk.abfoods | 8 | 0.038 % | LIR Info |
| 142 | Ably Realtime Ltd | uk.ablyrealtime | 8 | 0.038 % | LIR Info |
| 964 | Above Bar Cyber Limited | uk.abovebar | 1 | 0.005 % | LIR Info |
| 142 | Abtec Network Systems LTD | uk.abns | 8 | 0.038 % | LIR Info |
| 27 | Abzorb Group Ltd | uk.abzorb1 | 24 | 0.114 % | LIR Info |
| 54 | Academia Ltd | uk.academia | 16 | 0.076 % | LIR Info |
| 964 | ACCESS4 LTD | uk.access4 | 1 | 0.005 % | LIR Info |
| 964 | Accesspoint Technologies Ltd | uk.accesspoint | 1 | 0.005 % | LIR Info |
| 964 | Access UK Ltd | uk.stratogen | 1 | 0.005 % | LIR Info |
| 142 | Acklo Ltd | uk.acklo | 8 | 0.038 % | LIR Info |
| 964 | Acora Limited | uk.bisnet | 1 | 0.005 % | LIR Info |
| 142 | Activision Blizzard UK Ltd | uk.atvi | 8 | 0.038 % | LIR Info |
| 964 | ActivTrades Plc. | uk.activtrades | 1 | 0.005 % | LIR Info |
| 142 | Acuity Unified Communications Limited | uk.acuityuc | 8 | 0.038 % | LIR Info |
| 142 | Addooco IT Ltd | uk.addoocoit | 8 | 0.038 % | LIR Info |
| 142 | ADT Defence Limited | uk.adtdefence | 8 | 0.038 % | LIR Info |
| 142 | Advanced IT Services Nottingham Ltd | uk.advanceditltd | 8 | 0.038 % | LIR Info |
| 142 | ADVANIA UK LIMITED | uk.itlab | 8 | 0.038 % | LIR Info |
| 142 | Advantex Network Solutions Ltd | uk.advantex | 8 | 0.038 % | LIR Info |
| 964 | Adversor LLP | uk.bdc | 1 | 0.005 % | LIR Info |
| 142 | AECOM Limited | uk.aecom | 8 | 0.038 % | LIR Info |
| 142 | Aeriandi Limited | uk.aeriandi2 | 8 | 0.038 % | LIR Info |
| 964 | AFN TECHNOLOGY LIMITED | uk.tigrisnet | 1 | 0.005 % | LIR Info |
| 142 | Agilisys Managed Services Ltd | uk.agilisys | 8 | 0.038 % | LIR Info |
| 964 | ahbr company limited | uk.abstation | 1 | 0.005 % | LIR Info |
| 964 | AIMES Management Services Ltd | uk.aimes-uk | 1 | 0.005 % | LIR Info |
| 142 | Airangel Limited | uk.airangel | 8 | 0.038 % | LIR Info |
| 54 | Airband Community Internet Ltd | uk.airband-uk | 16 | 0.076 % | LIR Info |
| 142 | AIRBYTES COMMUNICATIONS Limited | uk.airbytesdotnet | 8 | 0.038 % | LIR Info |
| 964 | Alert Logic UK LTD | uk.alertlogic | 1 | 0.005 % | LIR Info |
| 142 | Alexander Fox | uk.neonixaf | 8 | 0.038 % | LIR Info |
| 964 | Alfa Financial Software Limited | uk.chpconsulting | 1 | 0.005 % | LIR Info |
| 142 | Alice Cat Research Ltd | uk.alicecat | 8 | 0.038 % | LIR Info |
| 142 | ALICE NETWORKS LTD | uk.alicenetwork | 8 | 0.038 % | LIR Info |
| 54 | Alistair Mackenzie | uk.alistair | 16 | 0.076 % | LIR Info |
| 142 | Allness IT Ltd | uk.allness | 8 | 0.038 % | LIR Info |
| 142 | allpay Ltd | uk.allpay | 8 | 0.038 % | LIR Info |
| 142 | AllPoints Fibre Limited | uk.apf | 8 | 0.038 % | LIR Info |
| 45 | AllPoints Fibre Networks Limited | uk.apfn | 18 | 0.085 % | LIR Info |
| 142 | All Simple Internet Services LLP | uk.allsimple | 8 | 0.038 % | LIR Info |
| 142 | ALNWICK COMPUTERWARE LTD. | uk.alncom | 8 | 0.038 % | LIR Info |
| 54 | Alpha Internet Limited | uk.zume | 16 | 0.076 % | LIR Info |
| 22 | Amito Ltd | uk.amito | 25 | 0.119 % | LIR Info |
| 142 | Analytics SEO Limited | uk.iot | 8 | 0.038 % | LIR Info |
| 54 | Anchor Computer Systems Ltd | uk.anchor | 16 | 0.076 % | LIR Info |
| 142 | Andrews & Arnold Ltd | uk.aa | 8 | 0.038 % | LIR Info |
| 142 | ANIXNICS LIMITED | uk.anixnics | 8 | 0.038 % | LIR Info |
| 10 | ANS ACADEMY LIMITED | uk.fast | 50 | 0.237 % | LIR Info |
| 964 | Anschutz Sports Holdings Limited | uk.aegeurope | 1 | 0.005 % | LIR Info |
| 114 | ANS Group Limited | uk.ans | 9 | 0.043 % | LIR Info |
| 940 | ANSON NETWORK LIMITED | uk.anl | 2 | 0.009 % | LIR Info |
| 54 | ANT BM Limited | uk.123lir | 16 | 0.076 % | LIR Info |
| 964 | Antheus Telecom Ltd | uk.antheus | 1 | 0.005 % | LIR Info |
| 964 | APAK Group Limited | uk.apakgroup | 1 | 0.005 % | LIR Info |
| 142 | APC Solutions UK Ltd | uk.apcsolutions | 8 | 0.038 % | LIR Info |
| 142 | Apex Networks Ltd | uk.apexnetworks | 8 | 0.038 % | LIR Info |
| 142 | Apollo Duck Media Ltd | uk.adml | 8 | 0.038 % | LIR Info |
| 142 | Applied Satellite Technology Ltd | uk.astltd | 8 | 0.038 % | LIR Info |
| 142 | A P P Wholesale Ltd. | uk.appwholesale | 8 | 0.038 % | LIR Info |
| 928 | Aptum Technologies (UK) Limited | uk.cogecopeer1 | 6 | 0.028 % | LIR Info |
| 964 | (aq) networks limited | uk.aql | 1 | 0.005 % | LIR Info |
| 964 | Aquis Exchange Limited | uk.aqx | 1 | 0.005 % | LIR Info |
| 142 | Arco Limited | uk.arcolimited | 8 | 0.038 % | LIR Info |
| 142 | ARISTO NETWORKS LTD | uk.aristonetworks | 8 | 0.038 % | LIR Info |
| 142 | ARM Ltd | uk.arm | 8 | 0.038 % | LIR Info |
| 964 | Arqiva Communications Ltd | uk.ktli | 1 | 0.005 % | LIR Info |
| 54 | Arrow Business Communications Limited | uk.arrow | 16 | 0.076 % | LIR Info |
| 964 | Arrowhead Systems Ltd | uk.silicons | 1 | 0.005 % | LIR Info |
| 142 | AS207960 Cyfyngedig | uk.as207960 | 8 | 0.038 % | LIR Info |
| 964 | Asda Stores Limited | uk.asdastores | 1 | 0.005 % | LIR Info |
| 964 | Ashgoal Limited | uk.ashgoal | 1 | 0.005 % | LIR Info |
| 7 | ASK4 Limited | uk.ask4internet | 56 | 0.266 % | LIR Info |
| 142 | ASOS.COM Limited | uk.asos | 8 | 0.038 % | LIR Info |
| 964 | Aspire Technology Solutions Ltd | uk.aspire | 1 | 0.005 % | LIR Info |
| 964 | Asptech IT Solutions Ltd | uk.asptech | 1 | 0.005 % | LIR Info |
| 940 | Associated Networks (UK) Limited | uk.anlx | 2 | 0.009 % | LIR Info |
| 114 | Assured Hosting Services Ltd | uk.assuredhosting | 9 | 0.043 % | LIR Info |
| 964 | AstraZeneca UK Limited | uk.astraz | 1 | 0.005 % | LIR Info |
| 964 | Astro Communications LTD | uk.astro-com | 1 | 0.005 % | LIR Info |
| 964 | Astutium Limited | uk.netegral | 1 | 0.005 % | LIR Info |
| 964 | Asurion Europe Limited | uk.asurion | 1 | 0.005 % | LIR Info |
| 142 | AsYouNeed.com Ltd | uk.ayn | 8 | 0.038 % | LIR Info |
| 142 | Atkinsrealis UK Limited | uk.wsatkins | 8 | 0.038 % | LIR Info |
| 142 | Atlas Business Group of Companies Ltd | uk.c2internet | 8 | 0.038 % | LIR Info |
| 964 | Atlas Communications (NI) Ltd | uk.atlascomms | 1 | 0.005 % | LIR Info |
| 142 | Atmoso Limited | uk.revopci | 8 | 0.038 % | LIR Info |
| 142 | Atmoso Limited | uk.thecloudlimited | 8 | 0.038 % | LIR Info |
| 142 | Atomic IT Limited | uk.atomic | 8 | 0.038 % | LIR Info |
| 964 | AUCTANE, LIMITED | uk.metapack | 1 | 0.005 % | LIR Info |
| 964 | Audatex (UK) Ltd | uk.audatexuklimited | 1 | 0.005 % | LIR Info |
| 142 | Auto Trader Limited | uk.tpl | 8 | 0.038 % | LIR Info |
| 964 | Avanti Broadband Ltd | uk.avanti | 1 | 0.005 % | LIR Info |
| 964 | AVC One Ltd | uk.avcone | 1 | 0.005 % | LIR Info |
| 964 | Avensys Networks Ltd | uk.gemsoft | 1 | 0.005 % | LIR Info |
| 964 | AVR Group Limited | uk.monitoring | 1 | 0.005 % | LIR Info |
| 142 | Awareness Software Limited | uk.asl | 8 | 0.038 % | LIR Info |
| 142 | AXA Insurance UK plc | uk.eaton-kaye | 8 | 0.038 % | LIR Info |
| 964 | Axians Networks Limited | uk.axians | 1 | 0.005 % | LIR Info |
| 142 | Babble Cloud Holdings Ltd. | uk.ultraasp | 8 | 0.038 % | LIR Info |
| 142 | Backbone Connect Limited | uk.backboneconnect | 8 | 0.038 % | LIR Info |
| 964 | Badoo Trading Limited | uk.badoo2 | 1 | 0.005 % | LIR Info |
| 54 | Baltic Broadband Limited | uk.balticbroadband | 16 | 0.076 % | LIR Info |
| 142 | Baltic Networks Limited | uk.baltic | 8 | 0.038 % | LIR Info |
| 964 | BANGO.NET Ltd | uk.bango | 1 | 0.005 % | LIR Info |
| 142 | Barclays Bank PLC | uk.barclays-bank-plc | 8 | 0.038 % | LIR Info |
| 142 | Barrett Steel Ltd | uk.barrett | 8 | 0.038 % | LIR Info |
| 142 | Barritel Ltd | uk.barritel | 8 | 0.038 % | LIR Info |
| 964 | Basepoint Centres Ltd | uk.basepoint | 1 | 0.005 % | LIR Info |
| 142 | Base Telecommunications LLP | uk.basetelecommunications | 8 | 0.038 % | LIR Info |
| 142 | BazTel Ltd | uk.baztel2 | 8 | 0.038 % | LIR Info |
| 142 | BBC | uk.bbc | 8 | 0.038 % | LIR Info |
| 964 | BB-Online UK Ltd | uk.bbonline | 1 | 0.005 % | LIR Info |
| 142 | BCN Group Hosting Ltd | uk.xicon | 8 | 0.038 % | LIR Info |
| 142 | BCS Global Networks Limited | uk.bcsglobal | 8 | 0.038 % | LIR Info |
| 142 | Beacon Broadband LTD | uk.beaconbroad | 8 | 0.038 % | LIR Info |
| 142 | Beaming Ltd | uk.beaming | 8 | 0.038 % | LIR Info |
| 142 | Bedroq Limited | uk.bedroq | 8 | 0.038 % | LIR Info |
| 19 | Beeks Financial Cloud Ltd | uk.beeks | 32 | 0.152 % | LIR Info |
| 142 | Beeline Broadband Ltd | uk.beeline | 8 | 0.038 % | LIR Info |
| 54 | Benjamin Cartwright-Cox | uk.benjojo | 16 | 0.076 % | LIR Info |
| 142 | Bentley-Walker Limited | uk.bentleywalker | 8 | 0.038 % | LIR Info |
| 142 | Beon Core Ltd | uk.jandutech | 8 | 0.038 % | LIR Info |
| 142 | Bet Invest LTD | uk.betinvest | 8 | 0.038 % | LIR Info |
| 142 | Beyond Fibre Ltd | uk.beyondfibre | 8 | 0.038 % | LIR Info |
| 964 | Bicom Systems Limited | uk.bicomsystems | 1 | 0.005 % | LIR Info |
| 142 | Bigstep Cloud Limited | uk.bigstep | 8 | 0.038 % | LIR Info |
| 142 | Binary Racks Limited | uk.bracks | 8 | 0.038 % | LIR Info |
| 54 | Bink Group Ltd | uk.ipassets | 16 | 0.076 % | LIR Info |
| 964 | Birmingham City Council | uk.bgfl | 1 | 0.005 % | LIR Info |
| 964 | Bistech Managed Services Ltd | uk.bisnetltd | 1 | 0.005 % | LIR Info |
| 142 | Bit Breakfast Ltd | uk.bitbreakfast | 8 | 0.038 % | LIR Info |
| 142 | BITFOLK LIMITED | uk.bitfolk | 8 | 0.038 % | LIR Info |
| 142 | BITNIFTY LTD | uk.bitnifty | 8 | 0.038 % | LIR Info |
| 142 | BI Worldwide Ltd | uk.biwwuk | 8 | 0.038 % | LIR Info |
| 142 | BlackBerry UK Limited | uk.rim | 8 | 0.038 % | LIR Info |
| 142 | Blackbird PLC | uk.blackbirdvideo | 8 | 0.038 % | LIR Info |
| 142 | Blackbird Solutions Limited | uk.blackbirdsol | 8 | 0.038 % | LIR Info |
| 142 | BlackBox Hosting Ltd | uk.blackboxisp | 8 | 0.038 % | LIR Info |
| 964 | Blackbridge Limited | uk.bbltd | 1 | 0.005 % | LIR Info |
| 142 | Bletchley Networks Limited | uk.bletchley | 8 | 0.038 % | LIR Info |
| 142 | Block Solutions Ltd | uk.block | 8 | 0.038 % | LIR Info |
| 142 | BLOCZ IO LIMITED | uk.blocz | 8 | 0.038 % | LIR Info |
| 142 | Blueprint Gaming Ltd. | uk.blueprint | 8 | 0.038 % | LIR Info |
| 964 | Blue Sky Systems Limited | uk.blueskysystems | 1 | 0.005 % | LIR Info |
| 142 | BLX Limited | uk.blx | 8 | 0.038 % | LIR Info |
| 142 | BMC TV LTD | uk.bmc | 8 | 0.038 % | LIR Info |
| 964 | BNW TECHNOLOGY LTD | uk.xifos | 1 | 0.005 % | LIR Info |
| 142 | Bogons Heavy Industries (North) Ltd | uk.bogons-heavy-north | 8 | 0.038 % | LIR Info |
| 142 | Bogons Ltd | uk.bogons | 8 | 0.038 % | LIR Info |
| 142 | BOLDYN NETWORKS UK LIMITED | uk.bai | 8 | 0.038 % | LIR Info |
| 964 | Bonsai Hosting ltd | uk.bonsai | 1 | 0.005 % | LIR Info |
| 142 | Booking.com Transport Limited | uk.traveljigsaw | 8 | 0.038 % | LIR Info |
| 142 | Box Broadband Limited | uk.boxbroadband | 8 | 0.038 % | LIR Info |
| 964 | Box.com (UK) Ltd | uk.boxcom | 1 | 0.005 % | LIR Info |
| 964 | BP International Ltd | uk.bp | 1 | 0.005 % | LIR Info |
| 142 | Brass Horn Communications | uk.brasshorncomms | 8 | 0.038 % | LIR Info |
| 142 | Brevan Howard Asset Management LLP | uk.brevanhoward | 8 | 0.038 % | LIR Info |
| 142 | Briant Broadband Limited | uk.briant | 8 | 0.038 % | LIR Info |
| 964 | Bridge Fibre Limited | uk.bridgepartners | 1 | 0.005 % | LIR Info |
| 964 | Brightbox Systems Ltd | uk.brightbox | 1 | 0.005 % | LIR Info |
| 142 | Bright Horizons Family Solutions Limited | uk.bright | 8 | 0.038 % | LIR Info |
| 142 | Bright Little Light Ltd | uk.brightlocal | 8 | 0.038 % | LIR Info |
| 142 | Brightsolid Online Technology Ltd | uk.sol | 8 | 0.038 % | LIR Info |
| 964 | Brightstar Limited | uk.brightstar | 1 | 0.005 % | LIR Info |
| 142 | Bringo Group Ltd | uk.bringo | 8 | 0.038 % | LIR Info |
| 142 | Briskona Ltd | uk.briskona | 8 | 0.038 % | LIR Info |
| 964 | Britannic Technologies Ltd | uk.btl | 1 | 0.005 % | LIR Info |
| 114 | British Telecommunications PLC | uk.bt | 9 | 0.043 % | LIR Info |
| 3 | British Telecommunications PLC | uk.btent | 1 024 | 4.858 % | LIR Info |
| 964 | British Telecommunications PLC | uk.btgia | 1 | 0.005 % | LIR Info |
| 142 | Broadband for Rural Kent Ltd | uk.b4rk | 8 | 0.038 % | LIR Info |
| 142 | Broadband for Surrey Hills Ltd | uk.b4sh | 8 | 0.038 % | LIR Info |
| 27 | Broadband for the Rural North Limited. | uk.b4rn | 24 | 0.114 % | LIR Info |
| 964 | Broadband N.I. Ltd. | uk.nwewn | 1 | 0.005 % | LIR Info |
| 142 | Broadsoft LTD | uk.hipcom | 8 | 0.038 % | LIR Info |
| 964 | Bromleynet Limited | uk.bromleynet | 1 | 0.005 % | LIR Info |
| 142 | BRSK Limited | uk.brsk | 8 | 0.038 % | LIR Info |
| 142 | Buchan Consultancy Services Ltd | uk.marykirk-com | 8 | 0.038 % | LIR Info |
| 142 | Bullet Proof VPN Ltd | uk.bullet1 | 8 | 0.038 % | LIR Info |
| 964 | Bullhorn, International Limited | uk.bullhorn | 1 | 0.005 % | LIR Info |
| 940 | Burstfire Networks Ltd | uk.burstfire | 2 | 0.009 % | LIR Info |
| 142 | Bush Broadband Limited | uk.bushbroadband | 8 | 0.038 % | LIR Info |
| 142 | Buy Limited | uk.buylimited | 8 | 0.038 % | LIR Info |
| 142 | C2C Ltd | uk.c2cltd | 8 | 0.038 % | LIR Info |
| 142 | Cabinet Office | uk.caboffice | 8 | 0.038 % | LIR Info |
| 142 | Cablestreet Ltd | uk.cablestreet | 8 | 0.038 % | LIR Info |
| 142 | CACI Ltd | uk.caciltd | 8 | 0.038 % | LIR Info |
| 142 | Cadence Networks Ltd | uk.ccpg | 8 | 0.038 % | LIR Info |
| 142 | CAE Technology Services Limited | uk.caetechnology | 8 | 0.038 % | LIR Info |
| 114 | CALIU LTD | uk.ipnsl | 9 | 0.043 % | LIR Info |
| 142 | Cambridge Consultants Limited | uk.camconsult | 8 | 0.038 % | LIR Info |
| 142 | Cambridge Fibre Networks Ltd. | uk.cfn | 8 | 0.038 % | LIR Info |
| 964 | Cambridge University Press (Holdings) Limited | uk.camup | 1 | 0.005 % | LIR Info |
| 142 | Canonical Group Limited | uk.canonical | 8 | 0.038 % | LIR Info |
| 964 | Capgemini UK plc | uk.capgemini | 1 | 0.005 % | LIR Info |
| 940 | Capita Business Services Ltd | uk.capita | 2 | 0.009 % | LIR Info |
| 964 | Capital One (Europe) Plc | uk.capitalonebank | 1 | 0.005 % | LIR Info |
| 964 | Cardinia Real Estate UK Limited | uk.cardinia | 1 | 0.005 % | LIR Info |
| 940 | CARDOCK HOSTING LIMITED | uk.cardock1 | 2 | 0.009 % | LIR Info |
| 964 | CA Technology R&D Limited | uk.ca-tech | 1 | 0.005 % | LIR Info |
| 142 | Catixs Ltd | uk.catixs-ltd | 8 | 0.038 % | LIR Info |
| 142 | Caudata Ltd | uk.caudata | 8 | 0.038 % | LIR Info |
| 964 | CBRE Limited | uk.cbre | 1 | 0.005 % | LIR Info |
| 964 | CCANET Limited | uk.ccanet | 1 | 0.005 % | LIR Info |
| 964 | CCS Connectivity Limited | uk.ccsconnectivity | 1 | 0.005 % | LIR Info |
| 964 | C.C.S. (Leeds) Ltd | uk.ccs-leeds | 1 | 0.005 % | LIR Info |
| 142 | CDN Squared Limited | uk.cdnsquared | 8 | 0.038 % | LIR Info |
| 964 | CDW Ltd | uk.cdw | 1 | 0.005 % | LIR Info |
| 142 | Celebrus Technologies plc | uk.is-solutions | 8 | 0.038 % | LIR Info |
| 142 | CentralNic Ltd | uk.centralnic | 8 | 0.038 % | LIR Info |
| 964 | Central Technology Ltd | uk.centraltechnology | 1 | 0.005 % | LIR Info |
| 142 | Centrilogic Ltd | uk.centrilogic | 8 | 0.038 % | LIR Info |
| 964 | Cerberus Networks Ltd | uk.cerberusnetworks | 1 | 0.005 % | LIR Info |
| 964 | Cerner Limited | uk.cerner | 1 | 0.005 % | LIR Info |
| 964 | Channel Four Television Corporation | uk.channel4 | 1 | 0.005 % | LIR Info |
| 964 | Charles Briscoe-Smith trading as Servology | uk.servology | 1 | 0.005 % | LIR Info |
| 142 | CharterDigital Ltd | uk.charterdigital | 8 | 0.038 % | LIR Info |
| 54 | Chess ICT Ltd | uk.fvd | 16 | 0.076 % | LIR Info |
| 940 | Chess Limited | uk.chess | 2 | 0.009 % | LIR Info |
| 964 | Chillishot Ltd | uk.chillishot | 1 | 0.005 % | LIR Info |
| 142 | China Telecom Europe Ltd. | uk.chinatelecom | 8 | 0.038 % | LIR Info |
| 142 | CHINA UNICOM (EUROPE) OPERATIONS LIMITED | uk.cuce | 8 | 0.038 % | LIR Info |
| 142 | Chi Technology Ltd | uk.chitechnology | 8 | 0.038 % | LIR Info |
| 142 | Chorley Borough Council | uk.chorleycouncil | 8 | 0.038 % | LIR Info |
| 142 | ChunkyChips.net Limited | uk.chunkychips-net | 8 | 0.038 % | LIR Info |
| 142 | Chun Ming Ou | uk.cmingou | 8 | 0.038 % | LIR Info |
| 142 | Cilix Limited | uk.cilix | 8 | 0.038 % | LIR Info |
| 964 | Cineworld Cinemas Limited | uk.cineworld | 1 | 0.005 % | LIR Info |
| 142 | Cinos Communications Services Limited | uk.cinos | 8 | 0.038 % | LIR Info |
| 142 | Circlenet LLP | uk.circlenet | 8 | 0.038 % | LIR Info |
| 142 | Cirrus Blue Ltd | uk.cirrus1 | 8 | 0.038 % | LIR Info |
| 142 | Citadel Enterprise Europe Limited | uk.citadel | 8 | 0.038 % | LIR Info |
| 142 | CITRUS TELECOMMUNICATIONS LTD | uk.citrus | 8 | 0.038 % | LIR Info |
| 54 | Cityfibre Limited | uk.cityfibreholdings | 16 | 0.076 % | LIR Info |
| 964 | City Telecom LTD | uk.citytelecom1 | 1 | 0.005 % | LIR Info |
| 940 | Civica UK Ltd. | uk.comino | 2 | 0.009 % | LIR Info |
| 142 | Civo LTD | uk.absolutedev | 8 | 0.038 % | LIR Info |
| 103 | Claranet Limited | uk.claranet | 12 | 0.057 % | LIR Info |
| 964 | Claritas Solutions Limited | uk.claritas | 1 | 0.005 % | LIR Info |
| 142 | Clarity Telecom Limited | uk.clrty | 8 | 0.038 % | LIR Info |
| 142 | Clear Connect Limited | uk.clearconnect4 | 8 | 0.038 % | LIR Info |
| 964 | Clear Picture Services Limited | uk.clearpicture | 1 | 0.005 % | LIR Info |
| 27 | Clearstream Technology ltd | uk.csg | 24 | 0.114 % | LIR Info |
| 142 | CloudCall LTD | uk.synety | 8 | 0.038 % | LIR Info |
| 142 | CloudConnX Limited | uk.cloudconnx | 8 | 0.038 % | LIR Info |
| 142 | Cloud Gateway Limited | uk.cloudgateway | 8 | 0.038 % | LIR Info |
| 142 | Cloudnet Computing Ltd | uk.cloudsystemsgroup | 8 | 0.038 % | LIR Info |
| 964 | Cloudnet IT Solutions Ltd | uk.cloudnet1 | 1 | 0.005 % | LIR Info |
| 142 | Cloud Next Ltd | uk.cloudnext | 8 | 0.038 % | LIR Info |
| 54 | CloudScape Connect Ltd | uk.cloudscape | 16 | 0.076 % | LIR Info |
| 964 | CLOUD SG UK LTD | uk.ctxs | 1 | 0.005 % | LIR Info |
| 142 | Cloud Unboxed Limited | uk.cloudunboxed | 8 | 0.038 % | LIR Info |
| 5 | Clouvider Limited | uk.clouvider | 128 | 0.607 % | LIR Info |
| 27 | Coast Connect Ltd | uk.coast2 | 24 | 0.114 % | LIR Info |
| 964 | Codestone Solutions Limited | uk.codestone | 1 | 0.005 % | LIR Info |
| 964 | Cognizant Worldwide Limited | uk.cognizant | 1 | 0.005 % | LIR Info |
| 142 | COLT Technology Services Group Limited | uk.colt | 8 | 0.038 % | LIR Info |
| 964 | Columbia Pictures Corporation Ltd. | uk.cpc | 1 | 0.005 % | LIR Info |
| 114 | Comcast International Holdings UK Limited | uk.comcast | 9 | 0.043 % | LIR Info |
| 142 | COMMERCIS NETWORK LTD | uk.datagrid-network | 8 | 0.038 % | LIR Info |
| 142 | COMMIFY UK LIMITED | uk.esendex | 8 | 0.038 % | LIR Info |
| 964 | Comms365 Limited | uk.c365limited | 1 | 0.005 % | LIR Info |
| 964 | Comms West Limited | uk.comms | 1 | 0.005 % | LIR Info |
| 142 | Communicate Technology LTD | uk.communicate | 8 | 0.038 % | LIR Info |
| 142 | Communication STEM Limited | uk.communication | 8 | 0.038 % | LIR Info |
| 142 | Community DNS Limited | uk.cdns | 8 | 0.038 % | LIR Info |
| 50 | Community Fibre Limited | uk.communityfibre | 17 | 0.081 % | LIR Info |
| 964 | Computacenter (UK) Ltd | uk.computacenter-ukdc | 1 | 0.005 % | LIR Info |
| 964 | COMPUTER SYSTEMS INTEGRATION GROUP LIMITED | uk.csiltd | 1 | 0.005 % | LIR Info |
| 142 | Computle Limited | uk.computle | 8 | 0.038 % | LIR Info |
| 940 | Compuweb Communications Services Limited | uk.cwcs | 2 | 0.009 % | LIR Info |
| 142 | Comscale Limited | uk.comscale | 8 | 0.038 % | LIR Info |
| 964 | Comtec Enterprises Ltd | uk.comtec | 1 | 0.005 % | LIR Info |
| 142 | Conarx, Ltd | uk.conarx | 8 | 0.038 % | LIR Info |
| 142 | Connaught Lithoservices Ltd | uk.connaught | 8 | 0.038 % | LIR Info |
| 964 | CONNECTION NETWORKS L.P. | uk.connet | 1 | 0.005 % | LIR Info |
| 142 | Connective Online Limited | uk.connective | 8 | 0.038 % | LIR Info |
| 964 | Connect Managed Services (UK) Limited | uk.cgn | 1 | 0.005 % | LIR Info |
| 54 | Connect The World Ltd. | uk.neptune | 16 | 0.076 % | LIR Info |
| 16 | Connexin Limited | uk.connexin | 34 | 0.161 % | LIR Info |
| 142 | Consider IT Limited | uk.consider | 8 | 0.038 % | LIR Info |
| 142 | CONTENTHOST LIMITED | uk.contenthost3 | 8 | 0.038 % | LIR Info |
| 964 | Continental Limited | uk.continental | 1 | 0.005 % | LIR Info |
| 54 | Contingency Networks Ltd | uk.cnl | 16 | 0.076 % | LIR Info |
| 54 | Converged Communication Solutions Limited | uk.converged | 16 | 0.076 % | LIR Info |
| 964 | CONVERGENCE (GROUP NETWORKS) LIMITED | uk.convergence | 1 | 0.005 % | LIR Info |
| 114 | Convergence Group (Wireless) Networks Limited | uk.cg-net | 9 | 0.043 % | LIR Info |
| 964 | Copart UK Limited | uk.copartuk | 1 | 0.005 % | LIR Info |
| 142 | CoreISP Group Limited | uk.coreisp | 8 | 0.038 % | LIR Info |
| 114 | Coreix Ltd | uk.coreix | 9 | 0.043 % | LIR Info |
| 964 | Corgi Tech Limited | uk.corgitech | 1 | 0.005 % | LIR Info |
| 142 | CORNERSTONE ONDEMAND LIMITED | uk.saba | 8 | 0.038 % | LIR Info |
| 142 | Counterpart Systems Ltd | uk.counterpart | 8 | 0.038 % | LIR Info |
| 142 | County Broadband Holdings Limited | uk.countyholdings | 8 | 0.038 % | LIR Info |
| 964 | County Broadband Ltd | uk.countybb | 1 | 0.005 % | LIR Info |
| 142 | Coventry City Council | uk.covcitycouncil | 8 | 0.038 % | LIR Info |
| 142 | Coventry University Computing Services | uk.coventry | 8 | 0.038 % | LIR Info |
| 142 | Crawford & Company Adjusters (UK) Limited | uk.crawco | 8 | 0.038 % | LIR Info |
| 142 | CreeperHost LTD | uk.creeperhost | 8 | 0.038 % | LIR Info |
| 142 | Cronos Internet Ltd | uk.cronos | 8 | 0.038 % | LIR Info |
| 964 | CSC Administrative Services Limited | uk.netnames | 1 | 0.005 % | LIR Info |
| 964 | CSC DIGITAL BRAND SERVICES (UK) LTD | uk.nn | 1 | 0.005 % | LIR Info |
| 142 | CSCM Limited | uk.cscm | 8 | 0.038 % | LIR Info |
| 142 | CSD Communications Ltd | uk.csdcommunications | 8 | 0.038 % | LIR Info |
| 142 | CSD Network Services Ltd | uk.csdltd | 8 | 0.038 % | LIR Info |
| 45 | CSL (DualCom) Limited | uk.csldualcom | 18 | 0.085 % | LIR Info |
| 964 | CSP Partnership | uk.csp | 1 | 0.005 % | LIR Info |
| 142 | CST Group Limited | uk.cstnet | 8 | 0.038 % | LIR Info |
| 964 | CT1 Technologies Ltd | uk.ct1technologies | 1 | 0.005 % | LIR Info |
| 142 | Ctalk Limited | uk.ctalk | 8 | 0.038 % | LIR Info |
| 964 | CTC LONDON LIMITED | uk.ctclondon | 1 | 0.005 % | LIR Info |
| 142 | CTR Communications Limited | uk.ctrcommunications | 8 | 0.038 % | LIR Info |
| 142 | CTS Group Ltd | uk.cts-group | 8 | 0.038 % | LIR Info |
| 142 | Cudo Ventures Ltd | uk.cudo | 8 | 0.038 % | LIR Info |
| 142 | CURVE INFORMATION TECHNOLOGY LIMITED | uk.curveit | 8 | 0.038 % | LIR Info |
| 142 | Cushman & Wakefield Debenham Tie Leung Limited | uk.cushwake | 8 | 0.038 % | LIR Info |
| 964 | CustodianDC Limited | uk.custdc | 1 | 0.005 % | LIR Info |
| 142 | Cybanetix Ltd | uk.cybanetix | 8 | 0.038 % | LIR Info |
| 964 | CYBERFORT LIMITED | uk.aldigital | 1 | 0.005 % | LIR Info |
| 964 | CYBERHIVE LTD | uk.100percentit | 1 | 0.005 % | LIR Info |
| 142 | Cyber Pathogen Ltd | uk.cyber1 | 8 | 0.038 % | LIR Info |
| 142 | Cylo Ltd | uk.cyloltd | 8 | 0.038 % | LIR Info |
| 964 | Cyxtera Technology UK Limited | uk.cyxtera | 1 | 0.005 % | LIR Info |
| 142 | Dade2 Limited | uk.dade2 | 8 | 0.038 % | LIR Info |
| 142 | Daniel Jackson | uk.pebblehost | 8 | 0.038 % | LIR Info |
| 114 | Datacamp Limited | uk.datacamp | 9 | 0.043 % | LIR Info |
| 964 | Data Center Experts LTD | uk.datacenter | 1 | 0.005 % | LIR Info |
| 142 | Data Hosting LTD | uk.datahosting2 | 8 | 0.038 % | LIR Info |
| 142 | Datanet.co.uk Ltd | uk.datanet | 8 | 0.038 % | LIR Info |
| 142 | DATAQUEST (HEATHROW) LIMITED | uk.cceip | 8 | 0.038 % | LIR Info |
| 964 | Datasim Limited | uk.datasim | 1 | 0.005 % | LIR Info |
| 964 | DataSpace UK Ltd | uk.dataspace | 1 | 0.005 % | LIR Info |
| 964 | Data Store 365 Limited | uk.datastore365 | 1 | 0.005 % | LIR Info |
| 142 | DATAWEB GLOBAL LP. | uk.datawebglobal | 8 | 0.038 % | LIR Info |
| 142 | Datazero Ltd. | uk.numbergroup | 8 | 0.038 % | LIR Info |
| 964 | Datcom LLP | uk.datcom | 1 | 0.005 % | LIR Info |
| 964 | DATTO EUROPE LIMITED | uk.datto | 1 | 0.005 % | LIR Info |
| 964 | Datum Datacentres Limited | uk.datum | 1 | 0.005 % | LIR Info |
| 964 | DAZN MEDIA SERVICES LIMITED | uk.performgroup | 1 | 0.005 % | LIR Info |
| 142 | DCNet Limited | uk.dcnet | 8 | 0.038 % | LIR Info |
| 142 | Debugged Ltd | uk.debugged | 8 | 0.038 % | LIR Info |
| 964 | Dedi Networks LTD | uk.dedinetworks | 1 | 0.005 % | LIR Info |
| 142 | DEFAULTROUTE LIMITED | uk.defaultroute | 8 | 0.038 % | LIR Info |
| 964 | Delta V Technologies Limited | uk.deltavtech | 1 | 0.005 % | LIR Info |
| 142 | Deployish Limited | uk.deployish | 8 | 0.038 % | LIR Info |
| 964 | Deutsche Telekom (UK) Ltd | uk.dt-esoc-wp | 1 | 0.005 % | LIR Info |
| 142 | DG Infrastructure Ltd | uk.dginfra | 8 | 0.038 % | LIR Info |
| 27 | DGTL TECH UK LLP | uk.dgtl | 24 | 0.114 % | LIR Info |
| 964 | DIAHOSTING LIMITED | uk.diahosting | 1 | 0.005 % | LIR Info |
| 142 | Dial 9 Communications Limited | uk.dial9 | 8 | 0.038 % | LIR Info |
| 964 | DIGIDED LTD | uk.digided | 1 | 0.005 % | LIR Info |
| 964 | DIGITALK Limited | uk.digitalk | 1 | 0.005 % | LIR Info |
| 142 | DIGITAL MEDIA TECHNOLOGIES LTD | uk.digitalmedia | 8 | 0.038 % | LIR Info |
| 142 | Digital Network Solutions Ltd | uk.dignetsol | 8 | 0.038 % | LIR Info |
| 142 | Digital Realty (UK) Limited | uk.cheetah | 8 | 0.038 % | LIR Info |
| 42 | Digital Space Group Limited | uk.timico | 20 | 0.095 % | LIR Info |
| 142 | DIVERGENT NETWORKS LTD | uk.divergent | 8 | 0.038 % | LIR Info |
| 964 | DL Insurance Services Limited | uk.dlg | 1 | 0.005 % | LIR Info |
| 964 | Docklands Data Centre Ltd | uk.unl | 1 | 0.005 % | LIR Info |
| 964 | Domainmaster LTD | uk.domainmaster | 1 | 0.005 % | LIR Info |
| 142 | Domain Recovery Limited | uk.domainrecover1 | 8 | 0.038 % | LIR Info |
| 142 | Dominik Nowacki | uk.clouvider14 | 8 | 0.038 % | LIR Info |
| 964 | dotdigital EMEA Ltd | uk.dotmailer | 1 | 0.005 % | LIR Info |
| 142 | DOWNUNDER GEOSOLUTIONS (LONDON) PTY LIMITED | uk.dug | 8 | 0.038 % | LIR Info |
| 142 | Doyle (North West) Ltd. | uk.doyl | 8 | 0.038 % | LIR Info |
| 142 | DPDgroup UK Ltd | uk.geopost | 8 | 0.038 % | LIR Info |
| 142 | DRD Communications Limited | uk.drd | 8 | 0.038 % | LIR Info |
| 142 | Driftnet Ltd | uk.driftnet | 8 | 0.038 % | LIR Info |
| 142 | DSM (GB) Limited | uk.dsm | 8 | 0.038 % | LIR Info |
| 142 | DSNET Ltd | uk.dsnet | 8 | 0.038 % | LIR Info |
| 964 | DS Smith Limited | uk.dssmith | 1 | 0.005 % | LIR Info |
| 142 | DSV Communications Limited | uk.dsvcommunications | 8 | 0.038 % | LIR Info |
| 142 | Dumfries and Galloway Council | uk.dgcouncil | 8 | 0.038 % | LIR Info |
| 964 | Duplia Ltd | uk.duplia | 1 | 0.005 % | LIR Info |
| 142 | DVS Soft Ltd | uk.dvs-soft | 8 | 0.038 % | LIR Info |
| 114 | DWebs Ltd | uk.dwebs | 9 | 0.043 % | LIR Info |
| 964 | Dynamic Mobile Billing Limited | uk.operatelecom | 1 | 0.005 % | LIR Info |
| 142 | East of England Broadband Network PLC | uk.e2bn | 8 | 0.038 % | LIR Info |
| 142 | EASYGO SOLUTIONS LP | uk.easygo | 8 | 0.038 % | LIR Info |
| 142 | Easy Internet Solutions Limited | uk.easyinternet | 8 | 0.038 % | LIR Info |
| 142 | Easysoft Ltd | uk.easysoft | 8 | 0.038 % | LIR Info |
| 964 | EASYSPACE LIMITED | uk.easyspace | 1 | 0.005 % | LIR Info |
| 142 | Ebor Limited | uk.eborlimited | 8 | 0.038 % | LIR Info |
| 964 | ECHOSTREAM LIMITED | uk.echostream | 1 | 0.005 % | LIR Info |
| 142 | Eckoh UK Limited | uk.medi | 8 | 0.038 % | LIR Info |
| 142 | E D & F MAN TECHNOLOGY LIMITED | uk.agman | 8 | 0.038 % | LIR Info |
| 142 | EDGENAP LTD | uk.edgenap | 8 | 0.038 % | LIR Info |
| 142 | Edgenix LTD | uk.edgenix | 8 | 0.038 % | LIR Info |
| 142 | EE Limited | uk.tm | 8 | 0.038 % | LIR Info |
| 142 | EE Mobile Telecom Ltd | uk.eemobile | 8 | 0.038 % | LIR Info |
| 964 | Egton Medical Information Systems Limited | uk.emis | 1 | 0.005 % | LIR Info |
| 142 | Eircom (UK) Ltd | uk.eircom-uk-ltd | 8 | 0.038 % | LIR Info |
| 964 | Ekco Bournemouth Limited | uk.scholar | 1 | 0.005 % | LIR Info |
| 54 | EKCO CLOUD AND SECURITY LIMITED | uk.cloudhelix | 16 | 0.076 % | LIR Info |
| 142 | EKCO LONDON LIMITED | uk.thesoftwareconnection | 8 | 0.038 % | LIR Info |
| 142 | Electronic Arts Limited | uk.ea | 8 | 0.038 % | LIR Info |
| 964 | Electronic Media Services Ltd | uk.emsinternet | 1 | 0.005 % | LIR Info |
| 45 | Elite Limited | uk.elite | 18 | 0.085 % | LIR Info |
| 114 | ELITETELE.COM PLC | uk.elitetele | 9 | 0.043 % | LIR Info |
| 142 | Elna Paulette Valentin trading as INNETRA PC | uk.innetra | 8 | 0.038 % | LIR Info |
| 142 | Eloquent Technologies Ltd | uk.eloquent | 8 | 0.038 % | LIR Info |
| 142 | Emailcenter UK Limited | uk.emailcenter | 8 | 0.038 % | LIR Info |
| 964 | Emerson Electric UK Limited | uk.emerson | 1 | 0.005 % | LIR Info |
| 964 | Encompass Digital Media Services Ltd | uk.wrnbroadcast | 1 | 0.005 % | LIR Info |
| 142 | Enix Ltd | uk.enix | 8 | 0.038 % | LIR Info |
| 964 | ENLINK LTD | uk.connetu | 1 | 0.005 % | LIR Info |
| 964 | Entigy Ltd | uk.entigy | 1 | 0.005 % | LIR Info |
| 964 | EntServ UK Limited | uk.hpes | 1 | 0.005 % | LIR Info |
| 964 | Epsilon Telecommunications Ltd | uk.epsilon | 1 | 0.005 % | LIR Info |
| 142 | EQUINIX (SERVICES) LIMITED | uk.equinix | 8 | 0.038 % | LIR Info |
| 142 | EQUINIX (UK) ENTERPRISES LIMITED | uk.io | 8 | 0.038 % | LIR Info |
| 964 | Era4 Limited | uk.era4limited | 1 | 0.005 % | LIR Info |
| 142 | Eseye Limited | uk.eseyeltd | 8 | 0.038 % | LIR Info |
| 964 | ESSENSYS (UK) Ltd. | uk.essensysltd | 1 | 0.005 % | LIR Info |
| 964 | ETC VENUES LIMITED | uk.etcvenues | 1 | 0.005 % | LIR Info |
| 964 | eUKhost LTD | uk.eukhost | 1 | 0.005 % | LIR Info |
| 142 | EuroNet Internet Ltd | uk.euronet1 | 8 | 0.038 % | LIR Info |
| 964 | European Centre for Medium-Range Weather Forecasts (ECMWF) | uk.ecmwf | 1 | 0.005 % | LIR Info |
| 142 | Europe Secure Networking LTD | uk.europe-secure-network | 8 | 0.038 % | LIR Info |
| 142 | EVERIFY Limited | uk.everify | 8 | 0.038 % | LIR Info |
| 142 | Everyday Communications LTD | uk.everydaycommsltd | 8 | 0.038 % | LIR Info |
| 142 | Evolution Gaming LTD | uk.evolution | 8 | 0.038 % | LIR Info |
| 142 | EvolveIP LTD | uk.tvf | 8 | 0.038 % | LIR Info |
| 142 | e-volve Solutions Ltd | uk.e-volve | 8 | 0.038 % | LIR Info |
| 142 | Evolving Networks Limited | uk.ev | 8 | 0.038 % | LIR Info |
| 964 | Evorio Limited | uk.evorio | 1 | 0.005 % | LIR Info |
| 142 | Exa Networks Limited | uk.exa | 8 | 0.038 % | LIR Info |
| 27 | Exascale Ltd | uk.exascale | 24 | 0.114 % | LIR Info |
| 964 | EXEGY UK LTD | uk.exegy | 1 | 0.005 % | LIR Info |
| 964 | EX Networks Limited | uk.exn | 1 | 0.005 % | LIR Info |
| 964 | Exonetric Consulting Ltd | uk.exonetric-uk | 1 | 0.005 % | LIR Info |
| 940 | Expedia.com Ltd. | uk.expedia | 2 | 0.009 % | LIR Info |
| 142 | Experian International Unlimited | uk.experian | 8 | 0.038 % | LIR Info |
| 964 | Experian Ltd | uk.experianecs | 1 | 0.005 % | LIR Info |
| 142 | EXPERT NETCLOUD LLP | uk.expertcloud5 | 8 | 0.038 % | LIR Info |
| 964 | Exponential-E Ltd. | uk.exponential-e | 1 | 0.005 % | LIR Info |
| 142 | Extlikes UK Marketing Limited | uk.extlikes | 8 | 0.038 % | LIR Info |
| 964 | Extraordinary Managed Services Ltd | uk.xtraordinary | 1 | 0.005 % | LIR Info |
| 964 | Eze Castle Integration - United Kingdom, LTD. | uk.ezeuk | 1 | 0.005 % | LIR Info |
| 142 | Factory Internet Ltd | uk.factoryinternet | 8 | 0.038 % | LIR Info |
| 142 | Faelix Limited | uk.faelix | 8 | 0.038 % | LIR Info |
| 964 | Farbyte Ltd | uk.farbyte | 1 | 0.005 % | LIR Info |
| 964 | Fast4networks Ltd | uk.fast2host-net | 1 | 0.005 % | LIR Info |
| 964 | Fasthosts Internet Limited | uk.fasthosts | 1 | 0.005 % | LIR Info |
| 964 | FastNet International Ltd | uk.fastnet | 1 | 0.005 % | LIR Info |
| 142 | FastNetMon LTD | uk.fastnetmon | 8 | 0.038 % | LIR Info |
| 142 | FASTPLANET LTD | uk.fastplanet | 8 | 0.038 % | LIR Info |
| 142 | Fastvision Limited | uk.fastvision | 8 | 0.038 % | LIR Info |
| 19 | FatDisco Ltd | uk.fatdisco | 32 | 0.152 % | LIR Info |
| 964 | FAT MEDIA LTD | uk.motive | 1 | 0.005 % | LIR Info |
| 142 | Feral.io Ltd | uk.feralio | 8 | 0.038 % | LIR Info |
| 964 | FFastFill Europe Limited | uk.ffastfill1 | 1 | 0.005 % | LIR Info |
| 964 | Fiberax Networking&Cloud Ltd. | uk.fiberax | 1 | 0.005 % | LIR Info |
| 142 | Fiberocity Ltd | uk.fiberocity | 8 | 0.038 % | LIR Info |
| 142 | Fibre 1 Limited | uk.fibre | 8 | 0.038 % | LIR Info |
| 142 | Fibre Assets Ltd | uk.connectfibre | 8 | 0.038 % | LIR Info |
| 142 | FIBRELY LIMITED | uk.originbusiness | 8 | 0.038 % | LIR Info |
| 142 | FIBRENEST LIMITED | uk.fibrenest1 | 8 | 0.038 % | LIR Info |
| 142 | FIBRUS NETWORKS LTD | uk.b4bnetworks | 8 | 0.038 % | LIR Info |
| 964 | FIC SHARECO LIMITED | uk.thehutcomltd | 1 | 0.005 % | LIR Info |
| 964 | FINALTO FINANCIAL SERVICES LIMITED | uk.cfhclearing | 1 | 0.005 % | LIR Info |
| 964 | FirstServ Ltd | uk.firstservltd | 1 | 0.005 % | LIR Info |
| 964 | FIS Capital Markets UK Limited | uk.fisavantgard | 1 | 0.005 % | LIR Info |
| 964 | FIS Payments (UK) Ltd | uk.fisemea | 1 | 0.005 % | LIR Info |
| 964 | Five9 Inc., UK Limited | uk.five9 | 1 | 0.005 % | LIR Info |
| 964 | Fixnetix Ltd | uk.fixnetix | 1 | 0.005 % | LIR Info |
| 964 | Flag Telecom UK Limited | uk.flag | 1 | 0.005 % | LIR Info |
| 142 | Flexera Software Limited | uk.flexera | 8 | 0.038 % | LIR Info |
| 54 | Flexgrid Ltd | uk.flexgrid | 16 | 0.076 % | LIR Info |
| 142 | Flextel Limited | uk.flextel1 | 8 | 0.038 % | LIR Info |
| 964 | FLEXTRADE UK LIMITED | uk.flextrade | 1 | 0.005 % | LIR Info |
| 964 | Flo Networks Limited | uk.flo-networks | 1 | 0.005 % | LIR Info |
| 142 | Fluency Communications Ltd | uk.fluency | 8 | 0.038 % | LIR Info |
| 142 | Fluidity Connect Limited | uk.fluidity | 8 | 0.038 % | LIR Info |
| 940 | Fluidone Ltd. | uk.fluidata | 2 | 0.009 % | LIR Info |
| 142 | FNZ HOLDINGS UK LIMITED | uk.fnzholdingsuk | 8 | 0.038 % | LIR Info |
| 964 | FNZ (UK) Ltd | uk.fnzuk | 1 | 0.005 % | LIR Info |
| 142 | FOCUS 4 U LTD | uk.focus1 | 8 | 0.038 % | LIR Info |
| 142 | Foltron LP | uk.foltron | 8 | 0.038 % | LIR Info |
| 964 | Fon Wireless LTD | uk.fon | 1 | 0.005 % | LIR Info |
| 964 | Forcepoint UK Limited | uk.forcepoint | 1 | 0.005 % | LIR Info |
| 964 | Foreign and Commonwealth Office | uk.org | 1 | 0.005 % | LIR Info |
| 964 | Foreshore Limited | uk.foreshore | 1 | 0.005 % | LIR Info |
| 142 | Forfront Ltd. | uk.forfront | 8 | 0.038 % | LIR Info |
| 142 | Fork Systems Ltd | uk.forksystems | 8 | 0.038 % | LIR Info |
| 142 | FORMOSA CAPITAL LP | uk.formosa | 8 | 0.038 % | LIR Info |
| 142 | FORWARD 3D LIMITED | uk.forward | 8 | 0.038 % | LIR Info |
| 964 | FOXCLOUD LLP | uk.foxcloud | 1 | 0.005 % | LIR Info |
| 142 | FreeClix Ltd | uk.freeclix | 8 | 0.038 % | LIR Info |
| 142 | Free Range Cloud Ltd. | uk.frc | 8 | 0.038 % | LIR Info |
| 142 | Freethought Internet Limited | uk.freethought | 8 | 0.038 % | LIR Info |
| 54 | Freshwave Services Limited | uk.freshwave | 16 | 0.076 % | LIR Info |
| 142 | Frontier Technology Limited | uk.frontiertec | 8 | 0.038 % | LIR Info |
| 142 | Frontline Consultancy and Business Services Limited | uk.frontline | 8 | 0.038 % | LIR Info |
| 964 | Fujitsu Services Ltd. | uk.iclnet | 1 | 0.005 % | LIR Info |
| 142 | Fulcrum Data Systems Ltd | uk.fulcrum | 8 | 0.038 % | LIR Info |
| 54 | Full Fibre Limited | uk.fullfibre | 16 | 0.076 % | LIR Info |
| 142 | Fusioned Ltd | uk.fusioned | 8 | 0.038 % | LIR Info |
| 142 | Future Publishing Ltd | uk.future | 8 | 0.038 % | LIR Info |
| 142 | Future Technology Group Ltd | uk.futuretech | 8 | 0.038 % | LIR Info |
| 142 | F & W Networks Ltd | uk.fw | 8 | 0.038 % | LIR Info |
| 142 | GamerDating Ltd | uk.alpha | 8 | 0.038 % | LIR Info |
| 964 | Game Retail Ltd | uk.barrysworld | 1 | 0.005 % | LIR Info |
| 964 | Gamesys Ltd. | uk.gamesysnet | 1 | 0.005 % | LIR Info |
| 142 | Gamma Business Communications Limited | uk.gbc | 8 | 0.038 % | LIR Info |
| 964 | Gamma Network Solution Limited | uk.varidion | 1 | 0.005 % | LIR Info |
| 142 | Gamma Telecom Holdings Ltd | uk.gammareg | 8 | 0.038 % | LIR Info |
| 142 | Gamma Telecom Limited | uk.gtl | 8 | 0.038 % | LIR Info |
| 142 | Gardners Books Ltd | uk.gardners | 8 | 0.038 % | LIR Info |
| 142 | GATWICK AIRPORT LIMITED | uk.gatwick | 8 | 0.038 % | LIR Info |
| 142 | GB Wholesale Networks LTD | uk.gbwholesale | 8 | 0.038 % | LIR Info |
| 44 | GCI Network Solutions Limited | uk.gcinetwork | 19 | 0.090 % | LIR Info |
| 964 | GConnect Technology Ltd | uk.gconnect | 1 | 0.005 % | LIR Info |
| 142 | Genius Sports UK Limited | uk.betgenius | 8 | 0.038 % | LIR Info |
| 964 | GetOnline Limited | uk.dmp | 1 | 0.005 % | LIR Info |
| 142 | Getty Images UK Ltd | uk.gettyi-uk | 8 | 0.038 % | LIR Info |
| 142 | GHOST BROADBAND LIMITED | uk.gbb | 8 | 0.038 % | LIR Info |
| 142 | Giant Communications Ltd | uk.giantcomms | 8 | 0.038 % | LIR Info |
| 142 | Gibson Thomas Rental Ltd | uk.gtr | 8 | 0.038 % | LIR Info |
| 142 | Gigaair Ltd | uk.gigaair | 8 | 0.038 % | LIR Info |
| 50 | Gigaclear Limited | uk.gigaclear | 17 | 0.081 % | LIR Info |
| 932 | Gigaloch Limited | uk.gigaloch | 4 | 0.019 % | LIR Info |
| 142 | Gigastream Limited | uk.gigastream | 8 | 0.038 % | LIR Info |
| 940 | GigaTux Ltd | uk.gigatux | 2 | 0.009 % | LIR Info |
| 142 | Giggle Broadband Ltd | uk.giggle | 8 | 0.038 % | LIR Info |
| 142 | Gladserv Limited | uk.gladserv | 8 | 0.038 % | LIR Info |
| 27 | Glide Student & Residential Limited | uk.inuknetworks | 24 | 0.114 % | LIR Info |
| 54 | Globalgig Limited | uk.igemcommunications | 16 | 0.076 % | LIR Info |
| 964 | Global Radio Limited | uk.gcapmedia | 1 | 0.005 % | LIR Info |
| 142 | Global Reach Networks Limited | uk.globalreach | 8 | 0.038 % | LIR Info |
| 142 | Global Reach Technology EMEA Limited | uk.globalreachtech | 8 | 0.038 % | LIR Info |
| 142 | Global WP Ltd | uk.globalwp | 8 | 0.038 % | LIR Info |
| 964 | Globe Business Publishing Limited | uk.gbp | 1 | 0.005 % | LIR Info |
| 964 | GlobecastUK Ltd | uk.globecastuk | 1 | 0.005 % | LIR Info |
| 142 | GLYN Research Limited | uk.glynresearch2 | 8 | 0.038 % | LIR Info |
| 142 | GMO GlobalSign Ltd | uk.globalsign | 8 | 0.038 % | LIR Info |
| 142 | G.Network Communications Limited | uk.gnetwork | 8 | 0.038 % | LIR Info |
| 142 | GoFibre Holdings Limited | uk.borderlink | 8 | 0.038 % | LIR Info |
| 142 | GO INTERNET LTD | uk.nammitnetworks | 8 | 0.038 % | LIR Info |
| 964 | Goldman Sachs International | uk.goldman-sachs | 1 | 0.005 % | LIR Info |
| 964 | Google UK Limited | uk.google | 1 | 0.005 % | LIR Info |
| 142 | Goonhilly Earth Station Ltd | uk.goonhilly | 8 | 0.038 % | LIR Info |
| 142 | GOSS INTERACTIVE LIMITED | uk.gossinteractive | 8 | 0.038 % | LIR Info |
| 142 | Gradwell Communications Limited | uk.gradwell | 8 | 0.038 % | LIR Info |
| 142 | GRAIN COMMUNICATIONS LIMITED | uk.solway | 8 | 0.038 % | LIR Info |
| 142 | Grain Connect Limited | uk.grain | 8 | 0.038 % | LIR Info |
| 142 | Grayshott Gigabit Limited | uk.grayshott | 8 | 0.038 % | LIR Info |
| 142 | Greater Manchester Combined Authority | uk.greater | 8 | 0.038 % | LIR Info |
| 142 | Greenlight Innovation Ltd | uk.greenlight | 8 | 0.038 % | LIR Info |
| 964 | Griffin Bank Ltd | uk.griffinbank | 1 | 0.005 % | LIR Info |
| 142 | GSA Capital Services Ltd | uk.gsacapital | 8 | 0.038 % | LIR Info |
| 964 | GTT - EMEA Ltd. | uk.pkxg | 1 | 0.005 % | LIR Info |
| 142 | H2NET LIMITED | uk.h2net | 8 | 0.038 % | LIR Info |
| 142 | Hackworth Ltd | uk.hackworth | 8 | 0.038 % | LIR Info |
| 142 | Hampstead Fibre Ltd | uk.hampsteadfibre | 8 | 0.038 % | LIR Info |
| 142 | Hardy Fisher Services Limited | uk.hardyfisher | 8 | 0.038 % | LIR Info |
| 142 | Harry Cross | uk.harry | 8 | 0.038 % | LIR Info |
| 142 | Hastingwood Securities Ltd | uk.hastingwood | 8 | 0.038 % | LIR Info |
| 142 | HBVB Private Unlimited | uk.hbvb | 8 | 0.038 % | LIR Info |
| 964 | Heart Internet limited | uk.heart-internet | 1 | 0.005 % | LIR Info |
| 964 | Heidmar UK Limited | uk.heidmaruk | 1 | 0.005 % | LIR Info |
| 932 | Hello World Ltd | uk.helloworld | 4 | 0.019 % | LIR Info |
| 142 | HEMANI VENTURES LTD | uk.westcoast-holdings | 8 | 0.038 % | LIR Info |
| 142 | Hestview Limited | uk.hestview | 8 | 0.038 % | LIR Info |
| 142 | Hewlett-Packard Limited | uk.hp-autonomy | 8 | 0.038 % | LIR Info |
| 142 | Hey Broadband LTD | uk.hey | 8 | 0.038 % | LIR Info |
| 142 | HFD DATAVITA LIMITED | uk.datavita | 8 | 0.038 % | LIR Info |
| 142 | HFLBroadband Ltd | uk.hflbroadband | 8 | 0.038 % | LIR Info |
| 142 | HGC Global Communications (UK) Limited | uk.hgcintnet | 8 | 0.038 % | LIR Info |
| 964 | High Availability Hosting Limited | uk.hahosting | 1 | 0.005 % | LIR Info |
| 54 | Highland Broadband Networks Limited | uk.lothian-net | 16 | 0.076 % | LIR Info |
| 142 | Highland Network Ltd | uk.highnet | 8 | 0.038 % | LIR Info |
| 142 | Highland Wireless & IT Solutions Ltd | uk.highlandwireless | 8 | 0.038 % | LIR Info |
| 54 | High-Speed Universal Broadband Services C.I.C. | uk.hubs | 16 | 0.076 % | LIR Info |
| 142 | High Tide Consulting Ltd | uk.hightide | 8 | 0.038 % | LIR Info |
| 142 | HiHi Limited | uk.hihilimited | 8 | 0.038 % | LIR Info |
| 964 | Hillside (Technology) Ltd | uk.hillsidenewmedia | 1 | 0.005 % | LIR Info |
| 142 | Hill & Smith PLC | uk.hill | 8 | 0.038 % | LIR Info |
| 964 | His Majesty's Revenue and Customs | uk.hmrc | 1 | 0.005 % | LIR Info |
| 964 | Home Group Ltd | uk.hgl | 1 | 0.005 % | LIR Info |
| 142 | Home Web Development LLP | uk.homeweb3 | 8 | 0.038 % | LIR Info |
| 964 | Hopewiser Ltd | uk.hpw | 1 | 0.005 % | LIR Info |
| 142 | Horizon Hosting Limited | uk.hrznhosting | 8 | 0.038 % | LIR Info |
| 142 | HostDime Limited | uk.hd-uk | 8 | 0.038 % | LIR Info |
| 142 | Host Global Limited | uk.hostglobal | 8 | 0.038 % | LIR Info |
| 142 | HOSTGNOME LTD | uk.hostgnome | 8 | 0.038 % | LIR Info |
| 142 | Hosting Systems Ltd | uk.hostingsystems | 8 | 0.038 % | LIR Info |
| 142 | Hosting Techniques Limited | uk.hosting | 8 | 0.038 % | LIR Info |
| 54 | HOSTING TELECOM LTD | uk.hosting-telecom | 16 | 0.076 % | LIR Info |
| 964 | Host Lincoln Limited | uk.hostlincoln | 1 | 0.005 % | LIR Info |
| 964 | Host Media Ltd | uk.host-media-ltd | 1 | 0.005 % | LIR Info |
| 964 | Hostpapa UK Ltd. | uk.hostpapa | 1 | 0.005 % | LIR Info |
| 142 | HOSTSHIELD LTD | uk.hostshield | 8 | 0.038 % | LIR Info |
| 142 | HOST TELECOM LTD | uk.telecom | 8 | 0.038 % | LIR Info |
| 142 | HP Networks Ltd | uk.hpnetworks | 8 | 0.038 % | LIR Info |
| 142 | HSBC Global Services (UK) Limited | uk.hsbc-global | 8 | 0.038 % | LIR Info |
| 142 | HUAWEI TECHNOLOGIES(UK)CO., LTD | uk.huawei | 8 | 0.038 % | LIR Info |
| 142 | Hull Fibre Ltd | uk.hullfibreltd | 8 | 0.038 % | LIR Info |
| 142 | Hutchison 3G UK Limited | uk.h3g | 8 | 0.038 % | LIR Info |
| 54 | HYBRID ACCESS TECHNOLOGIES LIMITED | uk.sharedband-uk | 16 | 0.076 % | LIR Info |
| 142 | HybrIT Services Ltd | uk.hybrit | 8 | 0.038 % | LIR Info |
| 45 | Hydra Communications Ltd | uk.hydracom | 18 | 0.085 % | LIR Info |
| 142 | Hyperneph Ltd | uk.hyperneph | 8 | 0.038 % | LIR Info |
| 964 | Hyperoptic Ltd | uk.bcube | 1 | 0.005 % | LIR Info |
| 142 | Hyve Ltd | uk.hyve-corp | 8 | 0.038 % | LIR Info |
| 114 | Hyve Ltd | uk.hyvelimited3 | 9 | 0.043 % | LIR Info |
| 964 | IBASIS EUROPE LIMITED | uk.ibasis | 1 | 0.005 % | LIR Info |
| 142 | iBrowse Limited | uk.ibrowse | 8 | 0.038 % | LIR Info |
| 964 | ICE Data Services Limited | uk.icedataservices | 1 | 0.005 % | LIR Info |
| 964 | ICUK Computing Services Limited | uk.icuk | 1 | 0.005 % | LIR Info |
| 964 | idear4business international LTD | uk.idear4business-uk | 1 | 0.005 % | LIR Info |
| 142 | I FastNet LTD | uk.ifastnet | 8 | 0.038 % | LIR Info |
| 142 | IGC Technical Solutions Ltd | uk.igctechnical | 8 | 0.038 % | LIR Info |
| 142 | IG Knowhow Limited | uk.ig | 8 | 0.038 % | LIR Info |
| 964 | IIJ Europe Limited | uk.iijexlayereurope | 1 | 0.005 % | LIR Info |
| 142 | Ilume LTD | uk.ilume | 8 | 0.038 % | LIR Info |
| 142 | Imperial College of Science, Technology and Medicine | uk.ic | 8 | 0.038 % | LIR Info |
| 142 | IN8INITY GLOBAL LIMITED | uk.in8inity | 8 | 0.038 % | LIR Info |
| 142 | Inception Hosting Limited | uk.inception | 8 | 0.038 % | LIR Info |
| 964 | Incito Limited | uk.incito | 1 | 0.005 % | LIR Info |
| 142 | INDERT CONNECTION LP | uk.indert | 8 | 0.038 % | LIR Info |
| 964 | INDEXSCOPE LIMITED | uk.worldinternet | 1 | 0.005 % | LIR Info |
| 27 | Indigo Integrated Solutions Limited | uk.bluefin | 24 | 0.114 % | LIR Info |
| 964 | Ineedbroadband Ltd | uk.ineedbroadband | 1 | 0.005 % | LIR Info |
| 964 | iNet Telecoms Ltd | uk.voipfone | 1 | 0.005 % | LIR Info |
| 142 | Inferno Communications Ltd | uk.infernolan | 8 | 0.038 % | LIR Info |
| 964 | Infinity Developments Limited | uk.idnet | 1 | 0.005 % | LIR Info |
| 142 | Infobip Limited | uk.infobip | 8 | 0.038 % | LIR Info |
| 114 | INFOCOM UK LTD | uk.infocom | 9 | 0.043 % | LIR Info |
| 964 | Inmarsat Global Limited | uk.inmarsat | 1 | 0.005 % | LIR Info |
| 142 | Innovanti Limited | uk.innovanti | 8 | 0.038 % | LIR Info |
| 142 | Innovating Channel LLP | uk.innovating1 | 8 | 0.038 % | LIR Info |
| 142 | Inspiretec LTD | uk.sequence | 8 | 0.038 % | LIR Info |
| 142 | Instiller Limited | uk.instiller | 8 | 0.038 % | LIR Info |
| 142 | Instinet Europe Ltd | uk.instineteuropeltd | 8 | 0.038 % | LIR Info |
| 114 | Integrated Digital Services Ltd | uk.idsi | 9 | 0.043 % | LIR Info |
| 964 | Integrated Network Services Ltd | uk.integrated | 1 | 0.005 % | LIR Info |
| 142 | INTELEGRO LIMITED | uk.intelegro | 8 | 0.038 % | LIR Info |
| 142 | Intelligent Exchanges Limited | uk.intelligentexchanges | 8 | 0.038 % | LIR Info |
| 964 | Intelsat Global Sales & Marketing LTD | uk.intelsat | 1 | 0.005 % | LIR Info |
| 54 | Intercity Technology Ltd | uk.intercity | 16 | 0.076 % | LIR Info |
| 964 | Interfiber Ltd | uk.interfiber | 1 | 0.005 % | LIR Info |
| 142 | Interfire Ltd | uk.interfire | 8 | 0.038 % | LIR Info |
| 964 | Intermedia Technologies Company Limited | uk.imed | 1 | 0.005 % | LIR Info |
| 45 | INTERNATIONAL HOSTING SOLUTIONS LLP | uk.inthostsolutions | 18 | 0.085 % | LIR Info |
| 142 | Internet Central Limited | uk.netcentral | 8 | 0.038 % | LIR Info |
| 964 | Internet Connections Ltd | uk.inetc | 1 | 0.005 % | LIR Info |
| 142 | Internetty Ltd | uk.internettyuk | 8 | 0.038 % | LIR Info |
| 142 | Internet Utilities Europe and Asia Limited | uk.ipxo | 8 | 0.038 % | LIR Info |
| 142 | INTERPUBLIC GIS (UK) LTD | uk.interpublic | 8 | 0.038 % | LIR Info |
| 964 | Intrahost Limited | uk.intrahost | 1 | 0.005 % | LIR Info |
| 142 | IntraLAN Group Limited | uk.intralan | 8 | 0.038 % | LIR Info |
| 142 | Intuitiv Ltd. | uk.intuitiv | 8 | 0.038 % | LIR Info |
| 142 | Invesco UK Ltd | uk.invesco | 8 | 0.038 % | LIR Info |
| 964 | IOMART CLOUD SERVICES LIMITED | uk.nsl | 1 | 0.005 % | LIR Info |
| 104 | Iomart Group Plc | uk.iomart | 11 | 0.052 % | LIR Info |
| 108 | Iomart Managed Services Limited | uk.iomarthosting | 10 | 0.047 % | LIR Info |
| 42 | Iomart Managed Services Limited | uk.rapidswitch | 20 | 0.095 % | LIR Info |
| 142 | IONLINE INTERNET SOLUTIONS PROVIDER LTD | uk.ionlineisp | 8 | 0.038 % | LIR Info |
| 929 | Ionworks Ltd | uk.ionworks | 5 | 0.024 % | LIR Info |
| 142 | IP6net Ltd | uk.ip6net | 8 | 0.038 % | LIR Info |
| 964 | IPC Network Services Limited | uk.ipc-networkservices | 1 | 0.005 % | LIR Info |
| 142 | I P House Limited | uk.ip1 | 8 | 0.038 % | LIR Info |
| 142 | I.P. Integration Limited | uk.ipintegration | 8 | 0.038 % | LIR Info |
| 142 | iPLATO Healthcare Ltd | uk.iplato | 8 | 0.038 % | LIR Info |
| 142 | IP Multihome Limited | uk.ip | 8 | 0.038 % | LIR Info |
| 27 | IP River Limited | uk.ipriver | 24 | 0.114 % | LIR Info |
| 940 | IPTP LTD | uk.iptp | 2 | 0.009 % | LIR Info |
| 142 | IQUO LIMITED | uk.iquolimited | 8 | 0.038 % | LIR Info |
| 142 | IQVIA LTD. | uk.quintiles | 8 | 0.038 % | LIR Info |
| 142 | ISAM FUNDS (UK) LIMITED | uk.isam | 8 | 0.038 % | LIR Info |
| 142 | ISIX Communications LLP | uk.isix | 8 | 0.038 % | LIR Info |
| 964 | ISUMO Ltd | uk.isumo | 1 | 0.005 % | LIR Info |
| 932 | IT Action Limited | uk.itaction | 4 | 0.019 % | LIR Info |
| 54 | I.T Communications Limited | uk.itcommunications | 16 | 0.076 % | LIR Info |
| 142 | I.T Communications Limited | uk.itcommunications2 | 8 | 0.038 % | LIR Info |
| 142 | IT Farm Limited | uk.itfarm | 8 | 0.038 % | LIR Info |
| 142 | Itility Limited | uk.itility | 8 | 0.038 % | LIR Info |
| 142 | iTouch Vision LTD | uk.itouch | 8 | 0.038 % | LIR Info |
| 114 | I.T. PROFESSIONAL SERVICES LIMITED | uk.itps-ltd | 9 | 0.043 % | LIR Info |
| 142 | ITPS (Holdings) Ltd | uk.itpsholdings | 8 | 0.038 % | LIR Info |
| 142 | ITS Technology Group Limited | uk.itstechnology | 8 | 0.038 % | LIR Info |
| 54 | IT Support Services Team Limited | uk.itsupport | 16 | 0.076 % | LIR Info |
| 142 | ITsynergy Limited | uk.itsynergy | 8 | 0.038 % | LIR Info |
| 142 | IT Systems & Support Limited | uk.itsystems | 8 | 0.038 % | LIR Info |
| 142 | Ivista Limited | uk.ivista | 8 | 0.038 % | LIR Info |
| 142 | James Colderwood | uk.jim | 8 | 0.038 % | LIR Info |
| 142 | James Parker | uk.parker | 8 | 0.038 % | LIR Info |
| 142 | JAMF LTD | uk.wandera | 8 | 0.038 % | LIR Info |
| 964 | Jane Street Europe Ltd | uk.janestreet | 1 | 0.005 % | LIR Info |
| 142 | JANUS HENDERSON ADMINISTRATION UK LIMITED | uk.hgi | 8 | 0.038 % | LIR Info |
| 142 | JAVELIN BROADBAND LIMITED | uk.javelin | 8 | 0.038 % | LIR Info |
| 964 | Jefferies International Limited | uk.jeffer-2 | 1 | 0.005 % | LIR Info |
| 142 | JEKYO LTD | uk.jekyo | 8 | 0.038 % | LIR Info |
| 142 | Jellyfish Group Limited | uk.jellyfish | 8 | 0.038 % | LIR Info |
| 142 | JIANYUELAB LTD | uk.jianyue | 8 | 0.038 % | LIR Info |
| 964 | Jibba Jabba Internet Services Ltd | uk.jibbajabba | 1 | 0.005 % | LIR Info |
| 964 | Jisc Services Limited | uk.janet | 1 | 0.005 % | LIR Info |
| 142 | JIWA Holdings Ltd | uk.jiwaholdings | 8 | 0.038 % | LIR Info |
| 142 | Jola Cloud Solutions Ltd | uk.jola | 8 | 0.038 % | LIR Info |
| 142 | Joshua Leahy | uk.josh | 8 | 0.038 % | LIR Info |
| 964 | JPC Infonet Ltd | uk.jpcinet | 1 | 0.005 % | LIR Info |
| 142 | Jump Networks Ltd | uk.jump | 8 | 0.038 % | LIR Info |
| 964 | Kadfire Limited | uk.kadfire | 1 | 0.005 % | LIR Info |
| 964 | Kalnet4u Ltd | uk.kalnet4u | 1 | 0.005 % | LIR Info |
| 142 | Kanta Enterprises Ltd | uk.kanta | 8 | 0.038 % | LIR Info |
| 142 | Karanyi Ltd | uk.karanyi | 8 | 0.038 % | LIR Info |
| 142 | Karma Computing Ltd | uk.karmacomputing | 8 | 0.038 % | LIR Info |
| 142 | Kart Technologies Limited | uk.datalords | 8 | 0.038 % | LIR Info |
| 142 | Kaweb Limited | uk.kaweb | 8 | 0.038 % | LIR Info |
| 142 | KCOM Group Limited | uk.eclipse | 8 | 0.038 % | LIR Info |
| 142 | KCOM Group Limited | uk.kingston | 8 | 0.038 % | LIR Info |
| 964 | KCOM Group Limited | uk.mistral | 1 | 0.005 % | LIR Info |
| 964 | KDA WEB SERVICES LTD | uk.as30933 | 1 | 0.005 % | LIR Info |
| 964 | KDDI Europe Ltd | uk.kdd | 1 | 0.005 % | LIR Info |
| 142 | KeFF Networks Ltd | uk.keffnetworks | 8 | 0.038 % | LIR Info |
| 142 | Kencomp Internet Ltd | uk.kencomp | 8 | 0.038 % | LIR Info |
| 142 | Key IoT Limited | uk.keyiot | 8 | 0.038 % | LIR Info |
| 142 | Keyloop Holdings (UK) Limited | uk.keyloop | 8 | 0.038 % | LIR Info |
| 142 | Kier Ltd | uk.kierltd | 8 | 0.038 % | LIR Info |
| 142 | KIGEN (UK) LIMITED | uk.kigen1 | 8 | 0.038 % | LIR Info |
| 964 | Kijoma Solutions Ltd | uk.kijoma | 1 | 0.005 % | LIR Info |
| 964 | KOCHO GROUP LIMITED | uk.tig | 1 | 0.005 % | LIR Info |
| 142 | Konstantin Verba | uk.vkonstantin | 8 | 0.038 % | LIR Info |
| 964 | KORE WIRELESS UK LIMITED | uk.wyless | 1 | 0.005 % | LIR Info |
| 27 | Krystal Hosting Ltd | uk.krystal | 24 | 0.114 % | LIR Info |
| 964 | Kualo Limited | uk.kualo | 1 | 0.005 % | LIR Info |
| 142 | Kube Networks Ltd | uk.kubenetworks | 8 | 0.038 % | LIR Info |
| 142 | Kustom Konsulting Limited | uk.kustom | 8 | 0.038 % | LIR Info |
| 964 | Labtech Systems Ltd | uk.labtech | 1 | 0.005 % | LIR Info |
| 142 | Lagrange Cloud Technologies Limited | uk.lagrange | 8 | 0.038 % | LIR Info |
| 142 | LA ICT Services Limited | uk.laict | 8 | 0.038 % | LIR Info |
| 964 | Lancashire County Council | uk.lancashire | 1 | 0.005 % | LIR Info |
| 964 | LANCASHIRE INSURANCE SERVICES LTD | uk.lancsgroup | 1 | 0.005 % | LIR Info |
| 964 | Lancaster University Network Services Limited | uk.lancasteruni | 1 | 0.005 % | LIR Info |
| 964 | Landmark Space Limited | uk.lmktec | 1 | 0.005 % | LIR Info |
| 964 | Lantec Managed Services LLP | uk.lantec1 | 1 | 0.005 % | LIR Info |
| 142 | Laurence White | uk.indigo-systems | 8 | 0.038 % | LIR Info |
| 142 | Layered Technologies Limited | uk.ltech | 8 | 0.038 % | LIR Info |
| 142 | Layershift Limited | uk.layershift | 8 | 0.038 % | LIR Info |
| 142 | Leaseweb UK Limited | uk.leaseweb | 8 | 0.038 % | LIR Info |
| 964 | Leasing Options Limited | uk.leasingoptions | 1 | 0.005 % | LIR Info |
| 142 | Lebara Ltd | uk.lebara | 8 | 0.038 % | LIR Info |
| 964 | Leidos Innovations UK LTD | uk.leidos | 1 | 0.005 % | LIR Info |
| 964 | Lekeelekee247 Ltd | uk.visioniptv | 1 | 0.005 % | LIR Info |
| 142 | LF Holdco 2 Limited | uk.lfhc2 | 8 | 0.038 % | LIR Info |
| 142 | Liberty-izone Ltd | uk.liberty-i | 8 | 0.038 % | LIR Info |
| 142 | Lightspeed Networks Ltd | uk.lightspeed | 8 | 0.038 % | LIR Info |
| 142 | LIMA Networks Limited | uk.lima | 8 | 0.038 % | LIR Info |
| 142 | Link Host Ltd. | uk.linkhost | 8 | 0.038 % | LIR Info |
| 142 | Link IP Networks Ltd | uk.linkip | 8 | 0.038 % | LIR Info |
| 142 | Link Network Installation limited | uk.linkbroadbands | 8 | 0.038 % | LIR Info |
| 54 | Link Web Solutions LLP | uk.linkweb4 | 16 | 0.076 % | LIR Info |
| 940 | Liquid Telecommunications Ltd | uk.ess | 2 | 0.009 % | LIR Info |
| 142 | Lit Fibre Group Ltd. | uk.broadreach | 8 | 0.038 % | LIR Info |
| 964 | Livedrive Internet Ltd. | uk.livedrive | 1 | 0.005 % | LIR Info |
| 142 | Lloyds Banking Group PLC | uk.lloydsbankinggroup | 8 | 0.038 % | LIR Info |
| 142 | Llwynygorras Cyf | uk.lyg | 8 | 0.038 % | LIR Info |
| 964 | LMAX Limited | uk.lmax | 1 | 0.005 % | LIR Info |
| 54 | LoadEdge Limited | uk.loadedge | 16 | 0.076 % | LIR Info |
| 142 | Local NCC Ltd. | uk.localncc | 8 | 0.038 % | LIR Info |
| 142 | LOCKHEED MARTIN UK HOLDINGS LIMITED | uk.lockheedmartin | 8 | 0.038 % | LIR Info |
| 964 | Logicalis UK Limited | uk.satelcom | 1 | 0.005 % | LIR Info |
| 142 | LogicForge Limited | uk.logicforge | 8 | 0.038 % | LIR Info |
| 964 | LONAP Ltd | uk.lonap | 1 | 0.005 % | LIR Info |
| 54 | LonConnect Ltd | uk.lonconnectnet | 16 | 0.076 % | LIR Info |
| 142 | London Borough of Newham | uk.ldnbonewham | 8 | 0.038 % | LIR Info |
| 142 | London Grid for Learning Trust | uk.lgfl | 8 | 0.038 % | LIR Info |
| 964 | London International Exhibition Centre PLC | uk.excellondon1 | 1 | 0.005 % | LIR Info |
| 964 | London Internet Exchange Ltd. | uk.linx | 1 | 0.005 % | LIR Info |
| 964 | London Web Ltd | uk.londonweb | 1 | 0.005 % | LIR Info |
| 964 | Loop Scorpio Ltd | uk.loop-scorpio | 1 | 0.005 % | LIR Info |
| 142 | Luke Eiji Granger-Brown | uk.lukegb | 8 | 0.038 % | LIR Info |
| 104 | Lumen Technologies UK Limited | uk.lvlt | 11 | 0.052 % | LIR Info |
| 142 | Lumen Technologies UK Limited | uk.quza | 8 | 0.038 % | LIR Info |
| 142 | Lunar Digital Solutions Limited | uk.lunardigital | 8 | 0.038 % | LIR Info |
| 964 | LYCATEL DISTRIBUTION UK LIMITED | uk.lycatel | 1 | 0.005 % | LIR Info |
| 142 | Lypy Limited | uk.lypy | 8 | 0.038 % | LIR Info |
| 104 | M247 Ltd | uk.gbxs | 11 | 0.052 % | LIR Info |
| 142 | M5 Limited | uk.m5 | 8 | 0.038 % | LIR Info |
| 142 | Macarne Limited | uk.macarneltd | 8 | 0.038 % | LIR Info |
| 142 | MAG AIRPORT LIMITED | uk.magairports | 8 | 0.038 % | LIR Info |
| 964 | MAGRATHEA TELECOMMUNICATIONS LIMITED | uk.magrathea | 1 | 0.005 % | LIR Info |
| 142 | MAILJET SAAS LTD | uk.mailjet | 8 | 0.038 % | LIR Info |
| 142 | MAINFRAME & CYBERNETIC SYSTEMS LIMITED | uk.frame | 8 | 0.038 % | LIR Info |
| 142 | Mainstream Digital Ltd | uk.mainstream | 8 | 0.038 % | LIR Info |
| 964 | Maintel Europe Limited | uk.maintel | 1 | 0.005 % | LIR Info |
| 964 | MARKETAXESS POST-TRADE LIMITED | uk.isma | 1 | 0.005 % | LIR Info |
| 142 | MARMIN Ltd | uk.marmin | 8 | 0.038 % | LIR Info |
| 142 | Marshall Wace Asset Management Ltd | uk.mwam | 8 | 0.038 % | LIR Info |
| 964 | Marston's Telecoms Limited | uk.marstons | 1 | 0.005 % | LIR Info |
| 142 | MASSIVEGRID LTD | uk.massivegrid | 8 | 0.038 % | LIR Info |
| 964 | MASTERCARD PAYMENT GATEWAY SERVICES GROUP LIMITED | uk.datacash | 1 | 0.005 % | LIR Info |
| 964 | Masternaut Limited | uk.mnaut-com | 1 | 0.005 % | LIR Info |
| 964 | Matthew Russell | uk.namecheap | 1 | 0.005 % | LIR Info |
| 964 | MCD Europe Limited | uk.mcd-eu | 1 | 0.005 % | LIR Info |
| 142 | McMahon (UK) Ltd. | uk.mcmahon | 8 | 0.038 % | LIR Info |
| 142 | MDS TECHNOLOGIES LIMITED | uk.completedata | 8 | 0.038 % | LIR Info |
| 142 | Media Connective LLP | uk.media3 | 8 | 0.038 % | LIR Info |
| 964 | Media Datacentre Ltd | uk.mediadatacentre | 1 | 0.005 % | LIR Info |
| 964 | MeetingZone Limited | uk.atiacomms | 1 | 0.005 % | LIR Info |
| 964 | Megaport (UK) Limited | uk.megaport | 1 | 0.005 % | LIR Info |
| 964 | MEMSET Ltd | uk.memset | 1 | 0.005 % | LIR Info |
| 142 | Merezha LTD | uk.merezha | 8 | 0.038 % | LIR Info |
| 142 | Mersey Fibre Limited | uk.merseyfibre | 8 | 0.038 % | LIR Info |
| 964 | Merula Limited | uk.merula | 1 | 0.005 % | LIR Info |
| 142 | Metdesk Ltd | uk.metdesk | 8 | 0.038 % | LIR Info |
| 964 | Metranet Communications Ltd. | uk.metra | 1 | 0.005 % | LIR Info |
| 142 | Metro Security (GB) PLC | uk.metrosecurity | 8 | 0.038 % | LIR Info |
| 142 | Michaelston y Fedw Internet CIC | uk.myfi | 8 | 0.038 % | LIR Info |
| 108 | Microsoft Limited | uk.microsoft | 10 | 0.047 % | LIR Info |
| 142 | Microtalk Europe Ltd | uk.microtalk | 8 | 0.038 % | LIR Info |
| 142 | Migration Forensics Limited | uk.migfo | 8 | 0.038 % | LIR Info |
| 142 | Millennium Telecom Ltd | uk.millenniumtelecom | 8 | 0.038 % | LIR Info |
| 142 | Mimecast Services Limited | uk.mimecast | 8 | 0.038 % | LIR Info |
| 142 | Mimecast Services Limited | uk.mimecast-it | 8 | 0.038 % | LIR Info |
| 142 | MINHOCO 84 LIMITED | uk.edgebox | 8 | 0.038 % | LIR Info |
| 142 | Ministry of Marketing Ltd. | uk.ministry | 8 | 0.038 % | LIR Info |
| 142 | Mitel Networks Limited | uk.micloud | 8 | 0.038 % | LIR Info |
| 964 | MLL Telecom Ltd. | uk.mlltelecom | 1 | 0.005 % | LIR Info |
| 142 | ModernColo LP | uk.lir | 8 | 0.038 % | LIR Info |
| 964 | Modern Networks Services Ltd | uk.modern | 1 | 0.005 % | LIR Info |
| 964 | Moneysupermarket.com Limited | uk.msfg | 1 | 0.005 % | LIR Info |
| 142 | Monkey Tree Hosting Limited | uk.monkeytreehosting | 8 | 0.038 % | LIR Info |
| 964 | Monzo Bank Limited | uk.focusfs | 1 | 0.005 % | LIR Info |
| 142 | Moosend ltd | uk.moosend | 8 | 0.038 % | LIR Info |
| 142 | Morgan Stanley UK Limited | uk.morganstanley1 | 8 | 0.038 % | LIR Info |
| 142 | Mother Technologies Ltd | uk.mothertech | 8 | 0.038 % | LIR Info |
| 964 | Motion Picture Solutions Limited | uk.mps | 1 | 0.005 % | LIR Info |
| 964 | MS3 Networks Ltd | uk.ms3networks | 1 | 0.005 % | LIR Info |
| 142 | Multidata Ltd | uk.multidata | 8 | 0.038 % | LIR Info |
| 142 | MyComms Ltd | uk.mycomms | 8 | 0.038 % | LIR Info |
| 22 | Mythic Beasts Ltd | uk.mythic-beasts | 25 | 0.119 % | LIR Info |
| 142 | NATIONWIDE BUILDING SOCIETY | uk.nationwide-bs | 8 | 0.038 % | LIR Info |
| 964 | Nationwide Telephone Assistance Ltd | uk.ntaltd | 1 | 0.005 % | LIR Info |
| 142 | Natwest Markets PLC | uk.rbs | 8 | 0.038 % | LIR Info |
| 54 | NCG Energy Ltd | uk.ncgenergy3 | 16 | 0.076 % | LIR Info |
| 142 | Neos Networks Limited | uk.neosnetworks | 8 | 0.038 % | LIR Info |
| 54 | NET1 (NI) LTD | uk.net1niltd | 16 | 0.076 % | LIR Info |
| 142 | Netavo Global Data Services Ltd | uk.netavo | 8 | 0.038 % | LIR Info |
| 940 | Netcalibre Ltd | uk.woaf | 2 | 0.009 % | LIR Info |
| 142 | NetConnex Broadband Ltd. | uk.netconnex | 8 | 0.038 % | LIR Info |
| 142 | NetConsult Ltd | uk.netconsult-uk | 8 | 0.038 % | LIR Info |
| 142 | Netcraft Ltd | uk.netcraft | 8 | 0.038 % | LIR Info |
| 964 | NetDocuments Limited | uk.netdocuments | 1 | 0.005 % | LIR Info |
| 142 | NETH LTD | uk.nethltd | 8 | 0.038 % | LIR Info |
| 142 | Netiface Limited | uk.netiface | 8 | 0.038 % | LIR Info |
| 142 | NETISP LTD | uk.netisp | 8 | 0.038 % | LIR Info |
| 142 | NetLir LTD | uk.netlir | 8 | 0.038 % | LIR Info |
| 929 | Netnorth Limited | uk.netnorth | 5 | 0.024 % | LIR Info |
| 114 | Netservers Limited | uk.netservers | 9 | 0.043 % | LIR Info |
| 142 | NETSHIELD LTD | uk.netshield | 8 | 0.038 % | LIR Info |
| 142 | NETTL SYSTEMS LIMITED | uk.grafenia | 8 | 0.038 % | LIR Info |
| 142 | NetWarm LTD | uk.netwarm | 8 | 0.038 % | LIR Info |
| 54 | Netwise Hosting Ltd | uk.netwise3 | 16 | 0.076 % | LIR Info |
| 142 | Network 79 Ltd | uk.network79 | 8 | 0.038 % | LIR Info |
| 964 | Network Access Associates Limited | uk.oneweb | 1 | 0.005 % | LIR Info |
| 142 | Networked Creativity LLP | uk.networked3 | 8 | 0.038 % | LIR Info |
| 964 | Network Integration Technologies LTD | uk.network1 | 1 | 0.005 % | LIR Info |
| 142 | Network Office System LLP | uk.network | 8 | 0.038 % | LIR Info |
| 142 | Network Rail Infrastructure Limited | uk.networkrail | 8 | 0.038 % | LIR Info |
| 964 | NEWCASTLE STRATEGIC SOLUTIONS LIMITED | uk.nsml | 1 | 0.005 % | LIR Info |
| 142 | NexGen Cloud Ltd | uk.nexgen | 8 | 0.038 % | LIR Info |
| 142 | NEXT GLOBAL SERVICES L.P. | uk.ngs | 8 | 0.038 % | LIR Info |
| 54 | Next Internet Network Ltd | uk.nin | 16 | 0.076 % | LIR Info |
| 964 | NGA Connect Limited | uk.ngaconnect | 1 | 0.005 % | LIR Info |
| 142 | NG BAILEY IT SERVICES LIMITED | uk.ngb-its | 8 | 0.038 % | LIR Info |
| 964 | NHS England | uk.nhs | 1 | 0.005 % | LIR Info |
| 142 | NHS National Services Scotland | uk.swan | 8 | 0.038 % | LIR Info |
| 142 | Nibs Solutions Ltd | uk.nibshost | 8 | 0.038 % | LIR Info |
| 964 | NICE SYSTEMS UK LTD | uk.nicesystems | 1 | 0.005 % | LIR Info |
| 932 | Nigsun Limited | uk.nigsun | 4 | 0.019 % | LIR Info |
| 142 | N.I Technology Ltd. | uk.nitechnology | 8 | 0.038 % | LIR Info |
| 142 | Noble Systems UK Ltd | uk.noblesystems | 8 | 0.038 % | LIR Info |
| 964 | Nocsult Ltd | uk.nocsult | 1 | 0.005 % | LIR Info |
| 114 | Node4 Hosting Limited | uk.k3-ms | 9 | 0.043 % | LIR Info |
| 938 | Node4 Limited | uk.node4 | 3 | 0.014 % | LIR Info |
| 142 | Nomad Digital Limited | uk.nomad | 8 | 0.038 % | LIR Info |
| 142 | Nomical Ltd | uk.nomical | 8 | 0.038 % | LIR Info |
| 142 | Nominet UK | uk.nominet | 8 | 0.038 % | LIR Info |
| 142 | Nomios UK&I Limited | uk.infradata | 8 | 0.038 % | LIR Info |
| 964 | Nomura International Plc | uk.nomuraeu | 1 | 0.005 % | LIR Info |
| 964 | NOOB RP LTD | uk.noobrp | 1 | 0.005 % | LIR Info |
| 142 | No One Internet Ltd | uk.noone | 8 | 0.038 % | LIR Info |
| 142 | North East Business and Innovation Centre Limited | uk.nebic | 8 | 0.038 % | LIR Info |
| 142 | NORTHERN DATA SERVICES (UK) LIMITED | uk.hydro66 | 8 | 0.038 % | LIR Info |
| 142 | Northfield IT Limited | uk.northfield | 8 | 0.038 % | LIR Info |
| 142 | Northrop Grumman UK Limited | uk.northrop | 8 | 0.038 % | LIR Info |
| 142 | NPS (Holdings) Limited | uk.npsholdings | 8 | 0.038 % | LIR Info |
| 142 | N-Sat Ltd | uk.n-sat | 8 | 0.038 % | LIR Info |
| 964 | NSSLGlobal Ltd | uk.nsslglobal | 1 | 0.005 % | LIR Info |
| 964 | NTT Global Data Centers EMEA UK Ltd. | uk.gyron | 1 | 0.005 % | LIR Info |
| 964 | NTT United Kingdom Ltd | uk.nttunited | 1 | 0.005 % | LIR Info |
| 964 | Nublue Ltd | uk.nublue | 1 | 0.005 % | LIR Info |
| 964 | NUCLEUS GROUP SERVICES LIMITED | uk.jameshay | 1 | 0.005 % | LIR Info |
| 938 | Nuco Technologies Ltd | uk.nuco-technologies | 3 | 0.014 % | LIR Info |
| 964 | NUSO CLOUD UK LIMITED | uk.i-netplc | 1 | 0.005 % | LIR Info |
| 142 | Nuvias UC Limited | uk.siphon | 8 | 0.038 % | LIR Info |
| 964 | NVIDIA Ltd | uk.nvidia | 1 | 0.005 % | LIR Info |
| 142 | NWIP Ltd | uk.nwip-ltd | 8 | 0.038 % | LIR Info |
| 964 | NYnet Ltd | uk.nynet-ltd | 1 | 0.005 % | LIR Info |
| 114 | Oakford Internet Services Ltd | uk.oakfordis | 9 | 0.043 % | LIR Info |
| 142 | OCTAPLUS NETWORKS LTD | uk.octaplusnet | 8 | 0.038 % | LIR Info |
| 964 | Octopus Telecom Ltd | uk.doc4pc | 1 | 0.005 % | LIR Info |
| 964 | Oculon LLP | uk.oculon | 1 | 0.005 % | LIR Info |
| 964 | Odyssey Systems Ltd | uk.odyssey | 1 | 0.005 % | LIR Info |
| 964 | Offshore Renewable Energy Catapult | uk.orecatapult | 1 | 0.005 % | LIR Info |
| 54 | Ogi Networks Ltd. | uk.netsupport | 16 | 0.076 % | LIR Info |
| 142 | One2call Limited | uk.one2call | 8 | 0.038 % | LIR Info |
| 142 | OneAdvanced It Services Limited | uk.gnseurope | 8 | 0.038 % | LIR Info |
| 142 | Onega Ltd | uk.onega | 8 | 0.038 % | LIR Info |
| 964 | Online50 Limited | uk.itio | 1 | 0.005 % | LIR Info |
| 142 | ON THE BEACH LIMITED | uk.otb | 8 | 0.038 % | LIR Info |
| 932 | Ontix Sites No1 Limited | uk.ontix | 4 | 0.019 % | LIR Info |
| 54 | Onwave UK Ltd | uk.onwave | 16 | 0.076 % | LIR Info |
| 940 | Onyx Internet Ltd | uk.onyx | 2 | 0.009 % | LIR Info |
| 964 | Oosha Ltd | uk.allcomm | 1 | 0.005 % | LIR Info |
| 142 | OPEN FIBRE NETWORKS (WHOLESALE) LIMITED | uk.ifnl | 8 | 0.038 % | LIR Info |
| 964 | OpenMarket Limited | uk.mxtelecom | 1 | 0.005 % | LIR Info |
| 142 | Optimus Networks LTD | uk.optimus | 8 | 0.038 % | LIR Info |
| 7 | Optinet U.K. Limited | uk.optinet | 56 | 0.266 % | LIR Info |
| 964 | Optinium Ltd | uk.optiniuminternet | 1 | 0.005 % | LIR Info |
| 142 | Options Technology Ltd | uk.options | 8 | 0.038 % | LIR Info |
| 964 | Orange Cyberdefense UK Limited | uk.miscds | 1 | 0.005 % | LIR Info |
| 142 | Orange Peel Intellectual Limited | uk.opi | 8 | 0.038 % | LIR Info |
| 114 | Orbital Net Ltd | uk.orbitalnet | 9 | 0.043 % | LIR Info |
| 142 | Orca IT Ltd | uk.hwtechnology | 8 | 0.038 % | LIR Info |
| 964 | Orchid Cellmark Ltd | uk.cellmark | 1 | 0.005 % | LIR Info |
| 142 | Origin Solutions Limited | uk.origin | 8 | 0.038 % | LIR Info |
| 142 | Ori Industries 1 Limited | uk.ori | 8 | 0.038 % | LIR Info |
| 964 | Oscar Music & Media Ltd. | uk.oscarmusic | 1 | 0.005 % | LIR Info |
| 964 | OSHS Ltd | uk.oshs | 1 | 0.005 % | LIR Info |
| 142 | Otava Tech LTD | uk.otava-tech-ltd | 8 | 0.038 % | LIR Info |
| 142 | OvationData Ltd | uk.ovationnet | 8 | 0.038 % | LIR Info |
| 114 | Overoptic Systems Ltd | uk.uaonline | 9 | 0.043 % | LIR Info |
| 964 | Oxletech Limited | uk.oxletech | 1 | 0.005 % | LIR Info |
| 114 | PACKETFABRIC (UK) LTD | uk.unitas | 9 | 0.043 % | LIR Info |
| 142 | Packet Star Networks Limited | uk.4lncgy | 8 | 0.038 % | LIR Info |
| 142 | PACKNET LIMITED | uk.packnet | 8 | 0.038 % | LIR Info |
| 964 | Pana Services Ltd | uk.pana | 1 | 0.005 % | LIR Info |
| 142 | Panoptics Global Ltd | uk.panopticsglobal | 8 | 0.038 % | LIR Info |
| 142 | Pantheon Ventures (UK) LLP | uk.pantheonventures | 8 | 0.038 % | LIR Info |
| 964 | Paradigm Support Ltd | uk.virtirica | 1 | 0.005 % | LIR Info |
| 142 | Path Global UK Limited | uk.pathglobal | 8 | 0.038 % | LIR Info |
| 142 | Paul David Hughes | uk.ukhost4u | 8 | 0.038 % | LIR Info |
| 142 | Paul Nicholas Lewis | uk.pnlewis | 8 | 0.038 % | LIR Info |
| 142 | PBX Hosting Ltd | uk.pbxhosting | 8 | 0.038 % | LIR Info |
| 142 | Pea Soup Hosting Limited | uk.peasoup | 8 | 0.038 % | LIR Info |
| 964 | PEBBLETREE LTD | uk.pebbletree | 1 | 0.005 % | LIR Info |
| 142 | Pelion IoT Limited | uk.stream | 8 | 0.038 % | LIR Info |
| 964 | Pen Test Partners LLP | uk.pentest1 | 1 | 0.005 % | LIR Info |
| 142 | Perception TVCDN Ltd | uk.perception | 8 | 0.038 % | LIR Info |
| 964 | Perfecto Mobile UK Limited | uk.pefc | 1 | 0.005 % | LIR Info |
| 964 | PERFORMANCE HORIZON GROUP LIMITED | uk.phg | 1 | 0.005 % | LIR Info |
| 142 | Pine Media Ltd | uk.pinemedialtd | 8 | 0.038 % | LIR Info |
| 142 | Ping Technology Labs LTD | uk.pingtechnologylabs | 8 | 0.038 % | LIR Info |
| 964 | Pinkfroot Ltd | uk.pinkfroot | 1 | 0.005 % | LIR Info |
| 142 | Pinnacom Ltd | uk.pinnacom | 8 | 0.038 % | LIR Info |
| 142 | Pirum Systems Limited | uk.pirum | 8 | 0.038 % | LIR Info |
| 142 | PIXIE NETWORKS LTD | uk.pixie | 8 | 0.038 % | LIR Info |
| 964 | Playtech Software Ltd | uk.playtech-software-ltd | 1 | 0.005 % | LIR Info |
| 142 | PLUSTEL LIMITED | uk.plustel | 8 | 0.038 % | LIR Info |
| 142 | Portfast Ltd | uk.portfast | 8 | 0.038 % | LIR Info |
| 964 | Poundbury Systems Ltd. | uk.voyagernet | 1 | 0.005 % | LIR Info |
| 964 | Precedence Technologies Ltd | uk.precedence | 1 | 0.005 % | LIR Info |
| 142 | Precisely Software Ltd | uk.precisely1 | 8 | 0.038 % | LIR Info |
| 142 | Pricewaterhousecoopers Services Limited | uk.pricewaterhousecoopers | 8 | 0.038 % | LIR Info |
| 142 | PrivateSystems Networks EU Ltd | uk.privatesystems | 8 | 0.038 % | LIR Info |
| 142 | Proact IT UK Limited | uk.proact | 8 | 0.038 % | LIR Info |
| 142 | Prodec Networks Ltd | uk.prodec | 8 | 0.038 % | LIR Info |
| 142 | Professional Software Design Ltd | uk.broadband4 | 8 | 0.038 % | LIR Info |
| 142 | PROMINIC UK LIMITED | uk.prominic | 8 | 0.038 % | LIR Info |
| 940 | Promontoria Ltd | uk.promontoria | 2 | 0.009 % | LIR Info |
| 964 | Proofpoint Limited | uk.proofpoint | 1 | 0.005 % | LIR Info |
| 54 | Proper Support LLP | uk.proper | 16 | 0.076 % | LIR Info |
| 964 | Protech Communications Ltd | uk.protech | 1 | 0.005 % | LIR Info |
| 142 | Provista UK Ltd | uk.provista | 8 | 0.038 % | LIR Info |
| 108 | PRT Systems Limited | uk.prt | 10 | 0.047 % | LIR Info |
| 964 | Public Internet Ltd | uk.publicinet | 1 | 0.005 % | LIR Info |
| 142 | PubMatic Limited | uk.pubmatic | 8 | 0.038 % | LIR Info |
| 964 | Pulsant Data MK Limited | uk.pulmk | 1 | 0.005 % | LIR Info |
| 964 | Pulsant Data Services Limited | uk.pulds | 1 | 0.005 % | LIR Info |
| 142 | Pulsant Intermediate Limited | uk.pil | 8 | 0.038 % | LIR Info |
| 964 | Pulsant Limited | uk.asuk | 1 | 0.005 % | LIR Info |
| 964 | Pulsant (Scotland) Ltd | uk.ednet | 1 | 0.005 % | LIR Info |
| 142 | Pulsant Shared Services Limited | uk.pssl | 8 | 0.038 % | LIR Info |
| 964 | Pulsant (South Gyle) Limited | uk.pulsg | 1 | 0.005 % | LIR Info |
| 142 | Pure Cloud Solutions Limited | uk.purecloud | 8 | 0.038 % | LIR Info |
| 142 | Purefibre Internet Ltd. | uk.purefibreinternet | 8 | 0.038 % | LIR Info |
| 940 | Pure IP Limited | uk.pureip | 2 | 0.009 % | LIR Info |
| 964 | Pylon One Ltd | uk.pylonone | 1 | 0.005 % | LIR Info |
| 142 | Qernal LTD | uk.qernal | 8 | 0.038 % | LIR Info |
| 964 | Qinetiq Limited | uk.qinetiq | 1 | 0.005 % | LIR Info |
| 142 | Quadris Ltd | uk.quadris | 8 | 0.038 % | LIR Info |
| 964 | QUALCOMM (UK) LIMITED | uk.qualco | 1 | 0.005 % | LIR Info |
| 142 | Quantum Communications Ltd | uk.quantum | 8 | 0.038 % | LIR Info |
| 142 | Qube Research and Technologies Limited | uk.quberesearch | 8 | 0.038 % | LIR Info |
| 142 | Queen Mary and Westfield College, University of London | uk.qmul | 8 | 0.038 % | LIR Info |
| 142 | QuickHostUK Limited | uk.quickhost | 8 | 0.038 % | LIR Info |
| 142 | Quickline Communications Limited | uk.quickline | 8 | 0.038 % | LIR Info |
| 142 | QXTEL Limited | uk.qxtellimited | 8 | 0.038 % | LIR Info |
| 929 | Rackspace Ltd. | uk.rackspace | 5 | 0.024 % | LIR Info |
| 142 | RAYMOND JAMES INVESTMENT SERVICES LIMITED | uk.raymondjames | 8 | 0.038 % | LIR Info |
| 142 | RAZINETWORK LTD | uk.razinetwork | 8 | 0.038 % | LIR Info |
| 142 | Razorblue Ltd | uk.razorblue | 8 | 0.038 % | LIR Info |
| 142 | REACH MEDIA SKY LLP | uk.reach2 | 8 | 0.038 % | LIR Info |
| 142 | Reactive Markets Limited | uk.reactivemarkets | 8 | 0.038 % | LIR Info |
| 964 | Real Hosts Limited | uk.realhosts | 1 | 0.005 % | LIR Info |
| 41 | Redcentric Solutions Ltd | uk.redcentric | 21 | 0.100 % | LIR Info |
| 142 | Red Eye International Ltd | uk.redeye | 8 | 0.038 % | LIR Info |
| 142 | Red Matter Limited | uk.redmatter1 | 8 | 0.038 % | LIR Info |
| 142 | Redshelf Ltd | uk.redshelf-intouch | 8 | 0.038 % | LIR Info |
| 142 | Refinitiv Limited | uk.refinitiv | 8 | 0.038 % | LIR Info |
| 932 | Registers of Scotland | uk.registersofscotland | 4 | 0.019 % | LIR Info |
| 142 | Regus Group Services Ltd | uk.regus | 8 | 0.038 % | LIR Info |
| 142 | RESILIENT LIMITED | uk.resilient | 8 | 0.038 % | LIR Info |
| 142 | Retail Technology Services Ltd | uk.rts | 8 | 0.038 % | LIR Info |
| 964 | Rethink IT LTD | uk.rethinkit | 1 | 0.005 % | LIR Info |
| 940 | RETN Limited | uk.retn | 2 | 0.009 % | LIR Info |
| 964 | Reynolds and Reynolds Limited | uk.reynolds | 1 | 0.005 % | LIR Info |
| 142 | RFA (UK) Limited | uk.rfauk | 8 | 0.038 % | LIR Info |
| 142 | RGN Holding Ltd. | uk.rgn | 8 | 0.038 % | LIR Info |
| 142 | RH & Co. IT Services Ltd | uk.rhncoitservices | 8 | 0.038 % | LIR Info |
| 964 | RIDGEON NETWORK LTD | uk.ridgeon | 1 | 0.005 % | LIR Info |
| 964 | Rightmove Group Limited | uk.rightmove | 1 | 0.005 % | LIR Info |
| 964 | RIK Networks Ltd | uk.riknetworks | 1 | 0.005 % | LIR Info |
| 142 | RJG Consultancy Services Ltd | uk.rjgconsultants | 8 | 0.038 % | LIR Info |
| 964 | RM Education Ltd | uk.researchmachines | 1 | 0.005 % | LIR Info |
| 114 | Rocket Fibre Ltd | uk.rocketfibre | 9 | 0.043 % | LIR Info |
| 142 | RockIT Networks Limited | uk.rockit | 8 | 0.038 % | LIR Info |
| 54 | Roebuck Group Limited | uk.roebuck | 16 | 0.076 % | LIR Info |
| 142 | Rolosoft Limited | uk.rolosoft | 8 | 0.038 % | LIR Info |
| 142 | RUBIX GROUP INTERNATIONAL LIMITED | uk.iph-brammer | 8 | 0.038 % | LIR Info |
| 964 | Runtime Collective Limited | uk.brandwatch | 1 | 0.005 % | LIR Info |
| 142 | Rydal Communications Ltd | uk.rydal | 8 | 0.038 % | LIR Info |
| 142 | Sabio Ltd. | uk.sabio | 8 | 0.038 % | LIR Info |
| 964 | Safenames Ltd. | uk.safenames | 1 | 0.005 % | LIR Info |
| 142 | Samaritans Purse International Limited | uk.samaritanspurse | 8 | 0.038 % | LIR Info |
| 142 | Samuel Cosgrove | uk.sam | 8 | 0.038 % | LIR Info |
| 54 | SANDYX SYSTEMS LIMITED | uk.sandyx | 16 | 0.076 % | LIR Info |
| 54 | Sargasso N1 Limited | uk.sargasso-n1 | 16 | 0.076 % | LIR Info |
| 964 | Satcom Direct International Ltd. | uk.satcom | 1 | 0.005 % | LIR Info |
| 142 | Satcom Global Limited | uk.satcomglobal | 8 | 0.038 % | LIR Info |
| 964 | Satellite Applications Catapult Limited | uk.sa-catapult | 1 | 0.005 % | LIR Info |
| 142 | Satellite Mediaport Services Ltd. | uk.sms-teleport | 8 | 0.038 % | LIR Info |
| 142 | Sausage Systems Ltd | uk.sausage | 8 | 0.038 % | LIR Info |
| 142 | Scaleblade, Ltd. | uk.scaleblade | 8 | 0.038 % | LIR Info |
| 142 | Scaleforce Limited | uk.scaleforce1 | 8 | 0.038 % | LIR Info |
| 142 | SCB Global Ltd | uk.scbglobal | 8 | 0.038 % | LIR Info |
| 142 | Scolocate (Holdings) Limited | uk.scolo | 8 | 0.038 % | LIR Info |
| 142 | Scothosts Limited | uk.libertyshield | 8 | 0.038 % | LIR Info |
| 964 | Scotnet.co.uk Ltd | uk.scotnet | 1 | 0.005 % | LIR Info |
| 142 | SDC Hosting and Support Ltd | uk.suffolk-dc | 8 | 0.038 % | LIR Info |
| 142 | Sean McRobbie | uk.openitc | 8 | 0.038 % | LIR Info |
| 940 | Sectigo Limited | uk.sectigo | 2 | 0.009 % | LIR Info |
| 964 | Secura Hosting Ltd | uk.secura | 1 | 0.005 % | LIR Info |
| 142 | Secure Email Hosting Limited | uk.sehltd | 8 | 0.038 % | LIR Info |
| 142 | SECUREEND LTD | uk.secureend | 8 | 0.038 % | LIR Info |
| 142 | Secure Tel Limited | uk.securetel | 8 | 0.038 % | LIR Info |
| 142 | Securus Communications Ltd. | uk.scl | 8 | 0.038 % | LIR Info |
| 964 | SEMTEC LIMITED | uk.saqnet | 1 | 0.005 % | LIR Info |
| 964 | Sensical Services Limited | uk.sensical | 1 | 0.005 % | LIR Info |
| 964 | Sentinel Associates Ltd | uk.sentinel | 1 | 0.005 % | LIR Info |
| 964 | Seqirus UK Limited | uk.seqirus | 1 | 0.005 % | LIR Info |
| 142 | Sequential Networks Limited | uk.sequentialnetworks | 8 | 0.038 % | LIR Info |
| 142 | Served Up Ltd | uk.knownfuture | 8 | 0.038 % | LIR Info |
| 114 | ServerChoice Ltd | uk.scdc | 9 | 0.043 % | LIR Info |
| 22 | ServerHouse Ltd | uk.serverhouse | 25 | 0.119 % | LIR Info |
| 964 | SERVERNET INTERNET LIMITED | uk.servernet | 1 | 0.005 % | LIR Info |
| 964 | SERVICE EXPRESS EUROPE LIMITED | uk.bluechip | 1 | 0.005 % | LIR Info |
| 964 | SGX FX SYSTEMS UK LIMITED | uk.bidfx | 1 | 0.005 % | LIR Info |
| 142 | Shadow Software Ltd | uk.shadowcloud | 8 | 0.038 % | LIR Info |
| 142 | ShaneMcC Ltd | uk.shanemcc | 8 | 0.038 % | LIR Info |
| 142 | Sharpstack Hosting Ltd | uk.prostack | 8 | 0.038 % | LIR Info |
| 964 | Sharpstream Ltd | uk.sharpstream | 1 | 0.005 % | LIR Info |
| 142 | Sheik Mohammad Yacoob Edoo | uk.smye | 8 | 0.038 % | LIR Info |
| 964 | Shetland Broadband LLP | uk.sbb | 1 | 0.005 % | LIR Info |
| 964 | Shetland Islands Council | uk.shetland | 1 | 0.005 % | LIR Info |
| 964 | SHIKANOKO NETWORKS LTD | uk.shikanoko | 1 | 0.005 % | LIR Info |
| 142 | Shop Direct Holdings Limited | uk.sdhl | 8 | 0.038 % | LIR Info |
| 142 | Shropshire Online Solutions Ltd | uk.nodemasters | 8 | 0.038 % | LIR Info |
| 142 | Signal Telecom Ltd | uk.signal | 8 | 0.038 % | LIR Info |
| 142 | SIGNALX CLOUD COMMUNICATIONS LTD | uk.signalx | 8 | 0.038 % | LIR Info |
| 142 | Signum Corporate Communications Ltd | uk.signum | 8 | 0.038 % | LIR Info |
| 142 | Silver Lining Convergence LTD | uk.silverlining | 8 | 0.038 % | LIR Info |
| 964 | Simwood eSMS Limited | uk.simwood | 1 | 0.005 % | LIR Info |
| 142 | Sipalto Ltd | uk.sipalto | 8 | 0.038 % | LIR Info |
| 142 | SIP COMMUNICATIONS LIMITED | uk.sipcom | 8 | 0.038 % | LIR Info |
| 964 | sipsynergy Ltd | uk.sipsynergy | 1 | 0.005 % | LIR Info |
| 19 | Six Degrees Technology Group Limited | uk.sixdegrees | 32 | 0.152 % | LIR Info |
| 14 | Sixnet Operation Ltd | uk.sixnet | 40 | 0.190 % | LIR Info |
| 964 | Skyline Networks & Consultancy Ltd | uk.skylinenet | 1 | 0.005 % | LIR Info |
| 142 | Skylon Solutions Limited | uk.skylon | 8 | 0.038 % | LIR Info |
| 142 | SKYQUANTUM TELECOM LTD. | uk.skyquantum | 8 | 0.038 % | LIR Info |
| 54 | Sky UK Limited | uk.bskyb | 16 | 0.076 % | LIR Info |
| 142 | Sky UK Limited | uk.skycd-es | 8 | 0.038 % | LIR Info |
| 142 | Sky UK Limited | uk.skymobile | 8 | 0.038 % | LIR Info |
| 142 | SMART CT LIMITED | uk.smartct1 | 8 | 0.038 % | LIR Info |
| 964 | SMBC Bank International plc | uk.smbcgroup | 1 | 0.005 % | LIR Info |
| 142 | SNETTERTON TELECOM LIMITED | uk.snettertontelecom | 8 | 0.038 % | LIR Info |
| 964 | Softcat PLC | uk.cloudsoftcat | 1 | 0.005 % | LIR Info |
| 142 | Softprog IT Ltd | uk.softprog | 8 | 0.038 % | LIR Info |
| 964 | Software limited | uk.software | 1 | 0.005 % | LIR Info |
| 964 | Sohonet Limited | uk.sohonet | 1 | 0.005 % | LIR Info |
| 964 | Sohonet Limited | uk.sohonetnibble | 1 | 0.005 % | LIR Info |
| 964 | Solution Computers Ltd | uk.swhosting | 1 | 0.005 % | LIR Info |
| 142 | Sona Business Pvt. Ltd. | uk.sonabusiness | 8 | 0.038 % | LIR Info |
| 964 | Sony Interactive Entertainment Europe Limited | uk.scee | 1 | 0.005 % | LIR Info |
| 142 | Sony Interactive Entertainment Europe Limited | uk.sie | 8 | 0.038 % | LIR Info |
| 964 | Sota Solutions Ltd. | uk.sotaconnect | 1 | 0.005 % | LIR Info |
| 142 | Soundmouse Ltd | uk.soundmouse | 8 | 0.038 % | LIR Info |
| 964 | South Ayrshire Council | uk.sac | 1 | 0.005 % | LIR Info |
| 964 | Southend-on-Sea City Council | uk.southend-on-sea | 1 | 0.005 % | LIR Info |
| 9 | Southern Communications Ltd | uk.southerncomms | 52 | 0.247 % | LIR Info |
| 142 | South West Communications Group Ltd | uk.swtnetworks | 8 | 0.038 % | LIR Info |
| 964 | South West Grid for Learning Trust Ltd. | uk.swgfl | 1 | 0.005 % | LIR Info |
| 964 | Sova Capital Limited | uk.otkritie | 1 | 0.005 % | LIR Info |
| 964 | SPACE NORWAY (UK) LIMITED | uk.telenoruk | 1 | 0.005 % | LIR Info |
| 964 | Spacetel Uk Limited | uk.stel | 1 | 0.005 % | LIR Info |
| 6 | Spartan Host Ltd | uk.spartan | 80 | 0.380 % | LIR Info |
| 142 | Specialist Computer Centres Plc | uk.birm | 8 | 0.038 % | LIR Info |
| 964 | Spectra Group (uk) Ltd | uk.spectra | 1 | 0.005 % | LIR Info |
| 142 | Spectron Services Limited | uk.spectron | 8 | 0.038 % | LIR Info |
| 142 | Spectrum Internet Ltd | uk.spectrum | 8 | 0.038 % | LIR Info |
| 142 | Spidee Consultants Ltd | uk.spidee | 8 | 0.038 % | LIR Info |
| 964 | Spitfire Network Services Limited | uk.spitfire | 1 | 0.005 % | LIR Info |
| 964 | SPN Alliance Limited | uk.spna | 1 | 0.005 % | LIR Info |
| 964 | Sports Information Services Limited | uk.sis | 1 | 0.005 % | LIR Info |
| 142 | SPOT NORTH EAST LTD | uk.spotnorth | 8 | 0.038 % | LIR Info |
| 964 | Sprintlink UK Ltd | uk.sprintlink | 1 | 0.005 % | LIR Info |
| 964 | Square Enix Limited | uk.square-enix | 1 | 0.005 % | LIR Info |
| 142 | Squirrel Internet Ltd | uk.squirrel | 8 | 0.038 % | LIR Info |
| 964 | Squiz UK Limited | uk.squiz-uk | 1 | 0.005 % | LIR Info |
| 142 | SSD Networks Limited | uk.ssdnetworks1 | 8 | 0.038 % | LIR Info |
| 142 | Stantec UK Limited | uk.mwh-uk-ltd | 8 | 0.038 % | LIR Info |
| 142 | State Street Bank and Trust Company | uk.ssgmil | 8 | 0.038 % | LIR Info |
| 54 | Stelia Ltd | uk.stelia | 16 | 0.076 % | LIR Info |
| 964 | Stellantis Financial Services UK Limited | uk.stellantis | 1 | 0.005 % | LIR Info |
| 142 | Stellium Networks Limited | uk.stelliumdc | 8 | 0.038 % | LIR Info |
| 142 | Stem Connect LTD | uk.stemconnect | 8 | 0.038 % | LIR Info |
| 142 | STIX Internet Ltd | uk.stixinternet | 8 | 0.038 % | LIR Info |
| 142 | Storm Internet Limited | uk.storminternet | 8 | 0.038 % | LIR Info |
| 142 | Stour Marine Limited | uk.stourmarine | 8 | 0.038 % | LIR Info |
| 964 | Stream Networks Ltd | uk.streamnet | 1 | 0.005 % | LIR Info |
| 142 | STRUCTURED COMMUNICATIONS LIMITED | uk.scomms | 8 | 0.038 % | LIR Info |
| 142 | Sub 6 Limited | uk.clook | 8 | 0.038 % | LIR Info |
| 964 | Submission Technology Ltd | uk.st | 1 | 0.005 % | LIR Info |
| 142 | Subset Solutions UK Limited | uk.subset | 8 | 0.038 % | LIR Info |
| 114 | Subtopia Ltd | uk.subtopia | 9 | 0.043 % | LIR Info |
| 142 | Sundive Networks LLP | uk.sundive | 8 | 0.038 % | LIR Info |
| 142 | SUPERNET UK LIMITED | uk.supernet | 8 | 0.038 % | LIR Info |
| 964 | Sure (Guernsey) Limited | uk.guernsey | 1 | 0.005 % | LIR Info |
| 142 | Sureline Communications Limited | uk.i-nap | 8 | 0.038 % | LIR Info |
| 142 | Swarco UK & Ireland Ltd | uk.imtech | 8 | 0.038 % | LIR Info |
| 142 | SWBROADBAND Ltd | uk.cloudabove | 8 | 0.038 % | LIR Info |
| 142 | Swiftping Limited | uk.swiftpingltd | 8 | 0.038 % | LIR Info |
| 964 | Swlines Ltd | uk.swlines | 1 | 0.005 % | LIR Info |
| 964 | Sycurio Limited | uk.sycurio | 1 | 0.005 % | LIR Info |
| 964 | Synertec Ltd | uk.synertecltd | 1 | 0.005 % | LIR Info |
| 940 | Synextra Limited | uk.synextra | 2 | 0.009 % | LIR Info |
| 27 | SYN LTD | uk.syn | 24 | 0.114 % | LIR Info |
| 940 | Syntura Group Limited | uk.highspeedoffice | 2 | 0.009 % | LIR Info |
| 142 | Syscomm Limited | uk.syscomm | 8 | 0.038 % | LIR Info |
| 16 | SysGroup plc | uk.sysgroup | 34 | 0.161 % | LIR Info |
| 142 | System Force I.T. Ltd | uk.systemforceit | 8 | 0.038 % | LIR Info |
| 964 | Systemhost Limited | uk.systemhost | 1 | 0.005 % | LIR Info |
| 142 | TAC COMMUNICATIONS LTD | uk.taccommunications | 8 | 0.038 % | LIR Info |
| 964 | Talia Limited | uk.talia | 1 | 0.005 % | LIR Info |
| 108 | Talk Straight Ltd. | uk.talkstraight | 10 | 0.047 % | LIR Info |
| 10 | TalkTalk Communications Limited | uk.opalnet | 50 | 0.237 % | LIR Info |
| 964 | TalkTalk Communications Limited | uk.rednet | 1 | 0.005 % | LIR Info |
| 142 | TandyUK Servers Limited | uk.tandyuk | 8 | 0.038 % | LIR Info |
| 142 | TANGO NETWORKS UK LTD | uk.simetric | 8 | 0.038 % | LIR Info |
| 964 | TDM Group Limited | uk.tdmgroup | 1 | 0.005 % | LIR Info |
| 104 | Team Blue Carrier Limited | uk.poundhost | 11 | 0.052 % | LIR Info |
| 142 | TEAM BLUE INTERNET SERVICES UK LIMITED | uk.directnet | 8 | 0.038 % | LIR Info |
| 142 | Techade Ltd | uk.techade | 8 | 0.038 % | LIR Info |
| 142 | Techloq Limited | uk.techloq | 8 | 0.038 % | LIR Info |
| 142 | Technological Services Limited | uk.technological | 8 | 0.038 % | LIR Info |
| 142 | Techwareca Ltd. | uk.techwareca | 8 | 0.038 % | LIR Info |
| 964 | Telappliant Limited | uk.telappliant | 1 | 0.005 % | LIR Info |
| 108 | Telcom Networks Limited | uk.telcom-networks | 10 | 0.047 % | LIR Info |
| 964 | teleBIZZ Ltd | uk.telebizz | 1 | 0.005 % | LIR Info |
| 142 | Telecom2 Ltd. | uk.telecom2 | 8 | 0.038 % | LIR Info |
| 964 | Telecom Plus PLC | uk.telecomplus | 1 | 0.005 % | LIR Info |
| 142 | Telecoms Consortium Ltd. | uk.ttc | 8 | 0.038 % | LIR Info |
| 27 | Teledata UK Limited | uk.teledata | 24 | 0.114 % | LIR Info |
| 964 | TELEFONICA TECH NORTHERN IRELAND LIMITED | uk.novosco | 1 | 0.005 % | LIR Info |
| 964 | TELEFONICA TECH NORTHERN IRELAND LIMITED | uk.oceanuc | 1 | 0.005 % | LIR Info |
| 964 | TELEFONICA TECH UK MANAGED SERVICES LTD | uk.arctelligent | 1 | 0.005 % | LIR Info |
| 964 | Telefonica UK Limited | uk.avatarbroadband | 1 | 0.005 % | LIR Info |
| 964 | Telefonica UK Limited | uk.o2uk | 1 | 0.005 % | LIR Info |
| 964 | Telefonica UK Limited | uk.telefonica-wifi | 1 | 0.005 % | LIR Info |
| 964 | Telehouse International Corporation of Europe Ltd | uk.telehouse | 1 | 0.005 % | LIR Info |
| 142 | Telet Research (N.I) Limited | uk.telet | 8 | 0.038 % | LIR Info |
| 142 | Telit Communications Limited | uk.telit | 8 | 0.038 % | LIR Info |
| 142 | TELNA (UK) LTD | uk.telna | 8 | 0.038 % | LIR Info |
| 964 | TelXL LTD | uk.telxl | 1 | 0.005 % | LIR Info |
| 142 | Ten Time Limited | uk.tentime | 8 | 0.038 % | LIR Info |
| 142 | Terence Froy trading as "Spilsby Internet Solutions" | uk.spilsby | 8 | 0.038 % | LIR Info |
| 142 | TerraNet Ltd | uk.terranet | 8 | 0.038 % | LIR Info |
| 142 | Tesco Stores Ltd | uk.tescosip | 8 | 0.038 % | LIR Info |
| 54 | TFM NETWORKS LIMITED | uk.tfmnet | 16 | 0.076 % | LIR Info |
| 142 | TfW Fibre Ltd | uk.tfwfibre | 8 | 0.038 % | LIR Info |
| 964 | TGL Services (UK) Ltd | uk.calluk | 1 | 0.005 % | LIR Info |
| 964 | Thales UK Limited | uk.thales2 | 1 | 0.005 % | LIR Info |
| 964 | The Borough Council of Bolton | uk.boltoncouncil | 1 | 0.005 % | LIR Info |
| 142 | The Borough of Telford and Wrekin Council | uk.gb | 8 | 0.038 % | LIR Info |
| 142 | The Cent.re Group Limited | uk.tcg | 8 | 0.038 % | LIR Info |
| 964 | THE CHANCELLOR MASTERS & SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE | uk.ucam | 1 | 0.005 % | LIR Info |
| 964 | The Cloud Networks Limited | uk.thecloud | 1 | 0.005 % | LIR Info |
| 964 | The Cloud Simplified Limited | uk.tcs | 1 | 0.005 % | LIR Info |
| 142 | The Communication GATEWAY LTD | uk.comgw | 8 | 0.038 % | LIR Info |
| 142 | The Dean Trust | uk.thedeantrust | 8 | 0.038 % | LIR Info |
| 142 | The Defence Science and Technology Laboratory | uk.dstl | 8 | 0.038 % | LIR Info |
| 142 | The Framestore Limited | uk.framestore | 8 | 0.038 % | LIR Info |
| 142 | The Goodwood Estate Company Limited | uk.goodwood-estate | 8 | 0.038 % | LIR Info |
| 142 | The Hosting Heroes Ltd | uk.thehostingheroes | 8 | 0.038 % | LIR Info |
| 964 | THE HOUSE OF COMMONS | uk.pict | 1 | 0.005 % | LIR Info |
| 964 | THE INNOVATION GROUP (EMEA) LTD | uk.innovationgrp | 1 | 0.005 % | LIR Info |
| 940 | The Internet Business Ltd | uk.tibus | 2 | 0.009 % | LIR Info |
| 964 | The Networking People (TNP) Limited | uk.tnp | 1 | 0.005 % | LIR Info |
| 142 | The OxFORD Asset Management Company Limited | uk.oxfordassetmanagement | 8 | 0.038 % | LIR Info |
| 964 | The Patent Office | uk.mipex | 1 | 0.005 % | LIR Info |
| 142 | The Positive Internet Company Ltd | uk.positive | 8 | 0.038 % | LIR Info |
| 964 | The Random House Group Limited | uk.randomhouse | 1 | 0.005 % | LIR Info |
| 142 | Thermo Electron Ltd | uk.thermo | 8 | 0.038 % | LIR Info |
| 142 | The Spiritual Agency, private company limited by guarantee | uk.spirit | 8 | 0.038 % | LIR Info |
| 142 | The Sporting Exchange (Clients) Ltd | uk.betfair | 8 | 0.038 % | LIR Info |
| 114 | THE STREAMING COMPANY.COM LIMITED | uk.tsc | 9 | 0.043 % | LIR Info |
| 964 | The University of Manchester | uk.manchester | 1 | 0.005 % | LIR Info |
| 964 | The Walt Disney Company Limited | uk.twdc | 1 | 0.005 % | LIR Info |
| 142 | The Watershed Arts Trust Ltd | uk.watershed | 8 | 0.038 % | LIR Info |
| 964 | THG HOSTING LIMITED | uk.uk2net | 1 | 0.005 % | LIR Info |
| 27 | THOMAS FAMILY INVESTMENTS LIMITED | uk.th01 | 24 | 0.114 % | LIR Info |
| 142 | THREDD UK LIMITED | uk.gps | 8 | 0.038 % | LIR Info |
| 142 | THRIVE OPERATIONS LIMITED | uk.oniplc | 8 | 0.038 % | LIR Info |
| 964 | Tibra Trading Europe Limited | uk.tibranetopseuro | 1 | 0.005 % | LIR Info |
| 142 | Ticketmaster UK Limited | uk.ticketmaster | 8 | 0.038 % | LIR Info |
| 54 | Tiger Network Limited | uk.tiger2 | 16 | 0.076 % | LIR Info |
| 142 | TIG Management Services Limited | uk.tigmanagement | 8 | 0.038 % | LIR Info |
| 54 | TIGOVA NETWORK LIMITED | uk.tigova | 16 | 0.076 % | LIR Info |
| 142 | Tivarri Limited | uk.tivarri | 8 | 0.038 % | LIR Info |
| 142 | toob limited | uk.toob | 8 | 0.038 % | LIR Info |
| 964 | Total Web Solutions Ltd | uk.totalweb | 1 | 0.005 % | LIR Info |
| 964 | TP Global Operations Limited | uk.tpglobal | 1 | 0.005 % | LIR Info |
| 964 | TP ICAP Management Services Limited | uk.icap-plc | 1 | 0.005 % | LIR Info |
| 964 | TRADEWEB EUROPE LIMITED | uk.tradeweb | 1 | 0.005 % | LIR Info |
| 142 | Tradition Financial Services Ltd. | uk.tradition | 8 | 0.038 % | LIR Info |
| 964 | Transaction Network Services (UK) LTD | uk.tnsi | 1 | 0.005 % | LIR Info |
| 964 | Transit Networks Limited | uk.tn | 1 | 0.005 % | LIR Info |
| 142 | Transport for London | uk.tflim | 8 | 0.038 % | LIR Info |
| 964 | TRANSUNION INTERNATIONAL UK LIMITED | uk.callcredit-ltd | 1 | 0.005 % | LIR Info |
| 142 | Trayport Limited | uk.trayport | 8 | 0.038 % | LIR Info |
| 142 | Treasury Limited | uk.trsy | 8 | 0.038 % | LIR Info |
| 114 | Triangle Networks Ltd | uk.triangle | 9 | 0.043 % | LIR Info |
| 964 | Trident Net Limited | uk.trident | 1 | 0.005 % | LIR Info |
| 964 | TripAdvisor Limited | uk.tripadvisor | 1 | 0.005 % | LIR Info |
| 142 | Trogon Group Ltd | uk.trogon | 8 | 0.038 % | LIR Info |
| 142 | Trooli Ltd. | uk.callflow | 8 | 0.038 % | LIR Info |
| 142 | Trooli Ltd. | uk.trooli | 8 | 0.038 % | LIR Info |
| 142 | TrueSpeed Communications Limited | uk.truespeed | 8 | 0.038 % | LIR Info |
| 964 | Trustmarque Solutions Limited | uk.eurodatasystems | 1 | 0.005 % | LIR Info |
| 964 | TRUSTWAVE LIMITED | uk.trustwave | 1 | 0.005 % | LIR Info |
| 108 | TTP Cloud Group Ltd | uk.ttpcloudgroup | 10 | 0.047 % | LIR Info |
| 964 | Turbo Leisure Ltd | uk.turboleisure | 1 | 0.005 % | LIR Info |
| 964 | Turner Broadcasting System Europe Limited | uk.tbs | 1 | 0.005 % | LIR Info |
| 142 | TWENTYTWENTYMEDIA LIMITED | uk.ttmedia | 8 | 0.038 % | LIR Info |
| 142 | Twilio UK Limited | uk.twilio | 8 | 0.038 % | LIR Info |
| 964 | U46 LTD | uk.u46 | 1 | 0.005 % | LIR Info |
| 142 | UBT (EU) Ltd | uk.ubteu | 8 | 0.038 % | LIR Info |
| 964 | UK BANDWIDTH LIMITED | uk.bandwidth | 1 | 0.005 % | LIR Info |
| 964 | UK Broadband Ltd. | uk.redspectrum | 1 | 0.005 % | LIR Info |
| 142 | UK Dedicated Servers Limited | uk.ukservers | 8 | 0.038 % | LIR Info |
| 964 | UK Fibre Network (York) Limited | uk.ukfibrenetworks | 1 | 0.005 % | LIR Info |
| 142 | UK Health Security Agency | uk.phe-gov | 8 | 0.038 % | LIR Info |
| 142 | UK Intis Telecom LTD | uk.intistelecomltd | 8 | 0.038 % | LIR Info |
| 1 | UK Ministry of Defence | uk.mod | 8 192 | 38.863 % | LIR Info |
| 964 | UK On-line Agri-sales Limited | uk.csd | 1 | 0.005 % | LIR Info |
| 142 | UK Research and Innovation | uk.ukri | 8 | 0.038 % | LIR Info |
| 964 | UltraNetworks Limited | uk.ultranetworks | 1 | 0.005 % | LIR Info |
| 142 | Unchained ISP Limited | uk.unchained | 8 | 0.038 % | LIR Info |
| 142 | Unity World Ltd | uk.unityworld | 8 | 0.038 % | LIR Info |
| 142 | University College London | uk.university | 8 | 0.038 % | LIR Info |
| 964 | University of Kent | uk.universityofkent | 1 | 0.005 % | LIR Info |
| 964 | University of Oxford | uk.oup | 1 | 0.005 % | LIR Info |
| 142 | University of Oxford | uk.oxuni | 8 | 0.038 % | LIR Info |
| 142 | Unlimited Web Hosting UK LTD | uk.unlimitedweb | 8 | 0.038 % | LIR Info |
| 964 | Upland Software UK Limited | uk.adestra | 1 | 0.005 % | LIR Info |
| 964 | Upp Corporation Limited | uk.fibreme | 1 | 0.005 % | LIR Info |
| 142 | USIC Internet Services Ltd | uk.usicis | 8 | 0.038 % | LIR Info |
| 964 | Vaioni Group Ltd | uk.vaioni | 1 | 0.005 % | LIR Info |
| 964 | VALID TECHNOLOGY L.P. | uk.validtech | 1 | 0.005 % | LIR Info |
| 142 | Vanquish Global Trading Ltd | uk.v4ltd | 8 | 0.038 % | LIR Info |
| 142 | VATORA LIMITED | uk.vatora | 8 | 0.038 % | LIR Info |
| 964 | VCG TECHNOLOGY SERVICES LIMITED | uk.vodat | 1 | 0.005 % | LIR Info |
| 964 | Vectone Mobile Limited | uk.mcom | 1 | 0.005 % | LIR Info |
| 142 | Veesix Networks Ltd | uk.veesix-networks-ltd | 8 | 0.038 % | LIR Info |
| 964 | Velocity1 Limited | uk.velocity1 | 1 | 0.005 % | LIR Info |
| 964 | VELOCIX SOLUTIONS LIMITED | uk.velocix | 1 | 0.005 % | LIR Info |
| 18 | VeloxServ Communications Ltd | uk.veloxserv | 33 | 0.157 % | LIR Info |
| 964 | Venom IT Ltd | uk.venom | 1 | 0.005 % | LIR Info |
| 940 | Verint Systems UK Limited | uk.verint | 2 | 0.009 % | LIR Info |
| 142 | Verizon UK Limited | uk.pipex | 8 | 0.038 % | LIR Info |
| 142 | VERTALA LTD | uk.l10nmedia | 8 | 0.038 % | LIR Info |
| 964 | Victor Connect Ltd. | uk.vcc | 1 | 0.005 % | LIR Info |
| 964 | Vidertec Ltd | uk.vidertec | 1 | 0.005 % | LIR Info |
| 964 | Viewsat ltd. | uk.viewsat | 1 | 0.005 % | LIR Info |
| 54 | Village Networks Ltd. | uk.village | 16 | 0.076 % | LIR Info |
| 142 | Vinters IT Ltd | uk.vooservers | 8 | 0.038 % | LIR Info |
| 142 | Virair Limited | uk.virair | 8 | 0.038 % | LIR Info |
| 4 | Virgin Media Limited | uk.ntli | 256 | 1.214 % | LIR Info |
| 964 | Virgin WiFi Ltd | uk.siwifi | 1 | 0.005 % | LIR Info |
| 964 | Virium Technology Ltd. | uk.realtech | 1 | 0.005 % | LIR Info |
| 142 | Virocom Limited | uk.virocom | 8 | 0.038 % | LIR Info |
| 964 | Virtual1 Limited | uk.virtual1 | 1 | 0.005 % | LIR Info |
| 964 | Virtual Internet (UK) Limited | uk.vi | 1 | 0.005 % | LIR Info |
| 964 | Virtustream UK Ltd | uk.ispc | 1 | 0.005 % | LIR Info |
| 142 | Vision Data Solutions LLP | uk.vision | 8 | 0.038 % | LIR Info |
| 142 | Vision Fibre Media LTD | uk.visionfibremedia | 8 | 0.038 % | LIR Info |
| 142 | Vitrifi Limited | uk.vitrifi | 8 | 0.038 % | LIR Info |
| 142 | VITS LIMITED | uk.vitslimited | 8 | 0.038 % | LIR Info |
| 142 | Vive Technologies Ltd | uk.vivetechnologies | 8 | 0.038 % | LIR Info |
| 142 | Vivo Energy Ltd | uk.vivoenergy | 8 | 0.038 % | LIR Info |
| 142 | VIX TECHNOLOGY UK LIMITED | uk.vixtechnology | 8 | 0.038 % | LIR Info |
| 142 | VLE LIMITED | uk.vlelimited | 8 | 0.038 % | LIR Info |
| 964 | VMhosts Ltd | uk.vmhosts | 1 | 0.005 % | LIR Info |
| 964 | VMware UK Ltd. | uk.vmware-vchs | 1 | 0.005 % | LIR Info |
| 2 | VODAFONE ENTERPRISE EQUIPMENT LIMITED | uk.veel | 2 048 | 9.716 % | LIR Info |
| 114 | Vodafone Limited | uk.vodafone | 9 | 0.043 % | LIR Info |
| 964 | Voiceflex Ltd | uk.fsys | 1 | 0.005 % | LIR Info |
| 142 | VoiceHost Ltd | uk.voicehost | 8 | 0.038 % | LIR Info |
| 142 | Voicetec sys Limited | uk.vsl | 8 | 0.038 % | LIR Info |
| 54 | VOIP-UN LIMITED | uk.voipunlimited | 16 | 0.076 % | LIR Info |
| 142 | VolQ Capital Ltd | uk.volqcapital | 8 | 0.038 % | LIR Info |
| 964 | VONAGE BUSINESS LIMITED | uk.vonage | 1 | 0.005 % | LIR Info |
| 10 | Voneus Ltd | uk.voneus | 50 | 0.237 % | LIR Info |
| 27 | Vorboss Limited | uk.vorboss | 24 | 0.114 % | LIR Info |
| 142 | Vostel Limited | uk.vostel | 8 | 0.038 % | LIR Info |
| 964 | VOSTRON Limited | uk.vostron | 1 | 0.005 % | LIR Info |
| 142 | Voxility LLP | uk.voxility | 8 | 0.038 % | LIR Info |
| 964 | VOXYONDER NETWORK SERVICES UK LTD | uk.vyns | 1 | 0.005 % | LIR Info |
| 14 | VPLAB LTD | uk.vplabdd | 40 | 0.190 % | LIR Info |
| 964 | VTSL Ltd | uk.vtsl | 1 | 0.005 % | LIR Info |
| 142 | VUNIFY LTD | uk.vunify | 8 | 0.038 % | LIR Info |
| 50 | vXtream Ltd | uk.vxtream | 17 | 0.081 % | LIR Info |
| 142 | Vysiion Limited | uk.1stsol | 8 | 0.038 % | LIR Info |
| 22 | w1n ltd | uk.win | 25 | 0.119 % | LIR Info |
| 964 | Wanstor Ltd | uk.wanstor | 1 | 0.005 % | LIR Info |
| 964 | Watchfront Limited | uk.watchfront | 1 | 0.005 % | LIR Info |
| 964 | Watch Tower Bible and Tract Society of Britain | uk.wbts | 1 | 0.005 % | LIR Info |
| 142 | Wavecrest Networks Limited | uk.wavecrest | 8 | 0.038 % | LIR Info |
| 964 | Wave Mobile Ltd | uk.wavemobile | 1 | 0.005 % | LIR Info |
| 22 | Wavenet Limited | uk.wavenet | 25 | 0.119 % | LIR Info |
| 142 | WEBBFABRIKEN LTD | uk.webbfabriken | 8 | 0.038 % | LIR Info |
| 142 | Web Devices Ltd | uk.webdevices | 8 | 0.038 % | LIR Info |
| 142 | Webdiscount UK Ltd. | uk.webdiscount | 8 | 0.038 % | LIR Info |
| 142 | Webhosting UK com LTD | uk.webhosting-uk | 8 | 0.038 % | LIR Info |
| 142 | Webmate Internet Services Ltd. | uk.webmate | 8 | 0.038 % | LIR Info |
| 142 | Webtitude LTD | uk.webtitude | 8 | 0.038 % | LIR Info |
| 964 | Web Wiz Ltd | uk.webwiz | 1 | 0.005 % | LIR Info |
| 142 | Wells Fargo Securities International Limited | uk.wells | 8 | 0.038 % | LIR Info |
| 964 | Welsh Government | uk.psba-network-wales | 1 | 0.005 % | LIR Info |
| 142 | Wessex Internet Limited | uk.wessexinternet | 8 | 0.038 % | LIR Info |
| 964 | WEST BROMWICH BUILDING SOCIETY FOUNDATION | uk.wbbs | 1 | 0.005 % | LIR Info |
| 142 | We The Curious Limited | uk.at-bristol | 8 | 0.038 % | LIR Info |
| 964 | Wewa global Ltd | uk.wewaglobal | 1 | 0.005 % | LIR Info |
| 964 | WeWork International Limited | uk.wework | 1 | 0.005 % | LIR Info |
| 50 | WHG Hosting Services Ltd | uk.whgi | 17 | 0.081 % | LIR Info |
| 142 | Wicked Sick Limited | uk.wickedsick | 8 | 0.038 % | LIR Info |
| 142 | WideFM Ltd | uk.widefm | 8 | 0.038 % | LIR Info |
| 142 | WIFINITY LIMITED | uk.pccwglobalnetwork | 8 | 0.038 % | LIR Info |
| 964 | WIFINITY NETWORKS LIMITED | uk.wifinity | 1 | 0.005 % | LIR Info |
| 142 | WiFi Scotland LLP | uk.wifiscotland | 8 | 0.038 % | LIR Info |
| 142 | WightFibre Limited | uk.wightcable | 8 | 0.038 % | LIR Info |
| 142 | Wildanet Ltd | uk.wildanet | 8 | 0.038 % | LIR Info |
| 964 | Wildcard UK Limited | uk.wildcard | 1 | 0.005 % | LIR Info |
| 142 | William Hill Organization Ltd | uk.whorgltd | 8 | 0.038 % | LIR Info |
| 142 | Wilxite Ltd | uk.wilxite | 8 | 0.038 % | LIR Info |
| 142 | WINE AND FOOD PARTNERS LTD | uk.winebureau | 8 | 0.038 % | LIR Info |
| 114 | Wireless Logic Limited | uk.wirelesslogic | 9 | 0.043 % | LIR Info |
| 964 | WISCOL LIMITED | uk.wiscol | 1 | 0.005 % | LIR Info |
| 142 | WiSpire Limited | uk.wispire | 8 | 0.038 % | LIR Info |
| 142 | Witine Limited | uk.witine | 8 | 0.038 % | LIR Info |
| 142 | WJY Limited | uk.wjy | 8 | 0.038 % | LIR Info |
| 142 | WMY Systems ltd | uk.wmy-systems | 8 | 0.038 % | LIR Info |
| 142 | WORLDONE RESEARCH LIMITED | uk.worldone | 8 | 0.038 % | LIR Info |
| 142 | WPM Software Ltd | uk.wpm | 8 | 0.038 % | LIR Info |
| 142 | WPP PRODUCTION LIMITED | uk.hogarth | 8 | 0.038 % | LIR Info |
| 964 | WRM Media Ltd | uk.wrm | 1 | 0.005 % | LIR Info |
| 142 | Wurzel Ltd | uk.wurzel | 8 | 0.038 % | LIR Info |
| 964 | X2 Communications Ltd | uk.x2comms | 1 | 0.005 % | LIR Info |
| 142 | X.COMMunications Ltd. | uk.xcommunications | 8 | 0.038 % | LIR Info |
| 142 | X-Fibre Ltd | uk.x-fibre | 8 | 0.038 % | LIR Info |
| 142 | xilo Ltd. | uk.xilo | 8 | 0.038 % | LIR Info |
| 142 | Xiria Ltd | uk.xiria | 8 | 0.038 % | LIR Info |
| 964 | X-NET (SERVICES) LTD | uk.kimcell | 1 | 0.005 % | LIR Info |
| 142 | Xoom Limited | uk.xoom-systems | 8 | 0.038 % | LIR Info |
| 142 | XTX Markets Limited | uk.xtxmarkets | 8 | 0.038 % | LIR Info |
| 964 | Yahoo-UK Limited | uk.yahoo | 1 | 0.005 % | LIR Info |
| 142 | Yayabee LLP | uk.yayabee | 8 | 0.038 % | LIR Info |
| 142 | YB Communications Ltd | uk.yb | 8 | 0.038 % | LIR Info |
| 142 | Yorkshire Tech Limited | uk.yorkshiretech | 8 | 0.038 % | LIR Info |
| 142 | York UK Hosting Ltd | uk.yorkukhosting | 8 | 0.038 % | LIR Info |
| 142 | Yoti Ltd | uk.yoti | 8 | 0.038 % | LIR Info |
| 54 | YouFibre Limited | uk.youfibre | 16 | 0.076 % | LIR Info |
| 142 | zananet Limited | uk.zananet | 8 | 0.038 % | LIR Info |
| 142 | Zayo Group UK Limited | uk.abovenet | 8 | 0.038 % | LIR Info |
| 142 | ZEMPLER BANK LIMITED | uk.advanced | 8 | 0.038 % | LIR Info |
| 142 | Zenex 5ive Limited | uk.zenex5 | 8 | 0.038 % | LIR Info |
| 142 | Zenex 5ive Limited | uk.zenex5ive | 8 | 0.038 % | LIR Info |
| 964 | Zengenti Ltd. | uk.genetics | 1 | 0.005 % | LIR Info |
| 142 | Zen Internet Ltd | uk.zen | 8 | 0.038 % | LIR Info |
| 142 | Zetta Connect Ltd | uk.zcl | 8 | 0.038 % | LIR Info |
| 964 | ZHERO Limited | uk.execsys | 1 | 0.005 % | LIR Info |
| 964 | Ziax Ltd | uk.ziaxltd | 1 | 0.005 % | LIR Info |
| 142 | Zone Telecommunications Ltd | uk.zonebroadband | 8 | 0.038 % | LIR Info |
| 964 | Zoom Internet Ltd | uk.zoominternet | 1 | 0.005 % | LIR Info |
| 142 | zsah Limited | uk.zsahlimited | 8 | 0.038 % | LIR Info |
| 142 | Zycomm Electronics Limited | uk.zycomm | 8 | 0.038 % | LIR Info |