This page gives the number of IPv4 addresses allocated to each Local Internet Registry (LIR) in Poland (PL) by RIPE NCC (Europe, the Middle East and parts of Central Asia), according to RIPE NCC allocations file.
The link on the number of IPv4 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 IPv4 addresses or by LIR name.
| Rank | Local Internet Registry (LIR) | LIR Code | Number of addresses | Percentage | LIR Info |
|---|---|---|---|---|---|
| 318 | 24IT MEDIA Sp. z o.o. | pl.24it2 | 1 024 | 0.006 % | LIR Info |
| 318 | 6G Networks Sp. z o. o. | pl.6gnetworks | 1 024 | 0.006 % | LIR Info |
| 318 | ABDUL PATRYK trading as "ANETCONNECT ABDUL PATRYK SPOLKA KOMANDYTOWA" | pl.anetconnect | 1 024 | 0.006 % | LIR Info |
| 21 | Academic Computer Centre CYFRONET AGH | pl.cyfronet | 74 752 | 0.426 % | LIR Info |
| 192 | AC Systemy Sp. z o.o. | pl.acng3 | 3 072 | 0.017 % | LIR Info |
| 147 | Actus P.S.A | pl.actus | 5 120 | 0.029 % | LIR Info |
| 318 | Adam Dlugosz trading as ABAKS | pl.abaks | 1 024 | 0.006 % | LIR Info |
| 318 | Adam Golebiowski trading as DM6 | pl.agmknet | 1 024 | 0.006 % | LIR Info |
| 318 | Adam Gwozdz trading as IWKD | pl.iwkd | 1 024 | 0.006 % | LIR Info |
| 192 | Adam Jarosz trading as Zaklad Elektroniczny P.A. Jarosz s.c. | pl.jarosz | 3 072 | 0.017 % | LIR Info |
| 318 | Adam Kania trading as A4IT.PL Sp..Z o.o. | pl.vitosa | 1 024 | 0.006 % | LIR Info |
| 290 | ADAM KRAWCEWICZ trading as MAGAZYN FABRYCZNY NETCOM | pl.mfn24 | 1 280 | 0.007 % | LIR Info |
| 147 | ADAM ROJEK | pl.fuz | 5 120 | 0.029 % | LIR Info |
| 227 | Adam Ryszewski trading as AR-NET | pl.arnet2 | 2 304 | 0.013 % | LIR Info |
| 318 | AENET.PL sp. z o.o. | pl.aenet | 1 024 | 0.006 % | LIR Info |
| 318 | Agata Sumera | pl.sumernet | 1 024 | 0.006 % | LIR Info |
| 235 | AGENCJA ROZWOJU REGIONALNEGO "ARREKS" Sp z.o.o | pl.arreks | 2 048 | 0.012 % | LIR Info |
| 318 | Agnieszka Magda Marczak-Ipatow trading as NET4ME | pl.net4me | 1 024 | 0.006 % | LIR Info |
| 172 | Agora TC Sp.z.o.o. | pl.agora | 4 096 | 0.023 % | LIR Info |
| 598 | Airbus Poland S.A. | pl.airbus | 256 | 0.001 % | LIR Info |
| 318 | Akademia Nauk Stosowanych w Elblagu | pl.pwsz-elblag | 1 024 | 0.006 % | LIR Info |
| 318 | Akomp Systemy Informatyczne Sp. z o.o. | pl.akomp | 1 024 | 0.006 % | LIR Info |
| 192 | ALFALINE Sp. z o. o. | pl.alfalinespzoo | 3 072 | 0.017 % | LIR Info |
| 318 | ALFASZYBKINET Sp. z o. o. | pl.szybkinet | 1 024 | 0.006 % | LIR Info |
| 235 | ALICJA MANIERA trading as MANIERA SERVICE | pl.maniera | 2 048 | 0.012 % | LIR Info |
| 318 | Alior Bank S.A. | pl.alior | 1 024 | 0.006 % | LIR Info |
| 147 | Allegro sp. z o.o. | pl.qxl | 5 120 | 0.029 % | LIR Info |
| 279 | All for One Poland Sp. z o.o. | pl.bcc | 1 792 | 0.010 % | LIR Info |
| 318 | AlphaNet spolka z o. o. | pl.alphanet | 1 024 | 0.006 % | LIR Info |
| 318 | AMICA SA | pl.amica | 1 024 | 0.006 % | LIR Info |
| 318 | Andrzej Cezary Kossakowski trading as Geo-Com | pl.geo-com | 1 024 | 0.006 % | LIR Info |
| 279 | Andrzej Erenc trading as awHost | pl.awhost | 1 792 | 0.010 % | LIR Info |
| 318 | Andrzej Skraba trading as Treston s.c. | pl.treston | 1 024 | 0.006 % | LIR Info |
| 318 | ANDRZEJ WISNICKI trading as AGG | pl.agg | 1 024 | 0.006 % | LIR Info |
| 598 | Antoni Kois | pl.antoni | 256 | 0.001 % | LIR Info |
| 318 | Aplitt Sp. z o.o. | pl.aplitt | 1 024 | 0.006 % | LIR Info |
| 138 | AP-MEDIA Spolka z ograniczona odpowiedzalnoscia | pl.apmedia | 6 144 | 0.035 % | LIR Info |
| 318 | AppDistrict sp. z o.o. | pl.appdistrict | 1 024 | 0.006 % | LIR Info |
| 55 | ART-COM Sp. z o.o. | pl.artcom | 22 528 | 0.128 % | LIR Info |
| 89 | Artnet Sp. z o.o. | pl.artnet | 13 568 | 0.077 % | LIR Info |
| 318 | Artur Wojtysiak trading as Danar Wojtysiak Sp. z o.o. | pl.danar-w | 1 024 | 0.006 % | LIR Info |
| 318 | Artur Ziemba trading as Spolka 2A sp. z o.o. i partnerzy sp.j. | pl.2a | 1 024 | 0.006 % | LIR Info |
| 227 | AS48707 OPS PL sp. z o.o. | pl.as48707 | 2 304 | 0.013 % | LIR Info |
| 118 | Asseco Cloud Sp. z o. o. | pl.assecocloud | 8 192 | 0.047 % | LIR Info |
| 28 | ASTA-NET S.A. | pl.asta-net | 58 368 | 0.332 % | LIR Info |
| 172 | A-Systems Sp. z o.o. | pl.a-systems | 4 096 | 0.023 % | LIR Info |
| 20 | Atman Sp. z o.o. | pl.atman | 77 568 | 0.442 % | LIR Info |
| 318 | ATMEL sp. z o. o. | pl.atmel | 1 024 | 0.006 % | LIR Info |
| 598 | Bartlomiej Izworski trading as BIKO Spolka Cywilna Bartlomiej Izworski, Kazimierz Tomasiak | pl.biko | 256 | 0.001 % | LIR Info |
| 318 | Bartlomiej Michal Czyz trading as F.P.H.U AVANET | pl.avanet | 1 024 | 0.006 % | LIR Info |
| 587 | BDY Sp. z o.o. | pl.bdysp | 512 | 0.003 % | LIR Info |
| 598 | Beskid Media Sp. z o.o. | pl.beskidmedia | 256 | 0.001 % | LIR Info |
| 88 | Beyond.pl sp. z o.o. | pl.beyond | 13 824 | 0.079 % | LIR Info |
| 318 | BIALNET SP. Z O.O. | pl.bialnet | 1 024 | 0.006 % | LIR Info |
| 118 | Bialogardzka Spoldzielnia Mieszkaniowa | pl.bsmbtk | 8 192 | 0.047 % | LIR Info |
| 318 | Big Blue Marble Sp. z o.o. | pl.insys | 1 024 | 0.006 % | LIR Info |
| 56 | Biznes Swiatlowodem Sp. z o.o. | pl.ipivision | 22 016 | 0.125 % | LIR Info |
| 318 | Bogusz Tucholski and Michal Senger trading as Elbonet Sp.J. | pl.elbonet | 1 024 | 0.006 % | LIR Info |
| 598 | Bouncer Sp. z o.o. | pl.usebouncer | 256 | 0.001 % | LIR Info |
| 192 | BOZENA WOJTCZAK trading as INTERTOR.NET | pl.avito | 3 072 | 0.017 % | LIR Info |
| 318 | BUSINESSINCLOUD Sp. z o.o. | pl.businessincloud | 1 024 | 0.006 % | LIR Info |
| 587 | CALLANTILE INVESTMENTS Sp. z o.o. | pl.callantile | 512 | 0.003 % | LIR Info |
| 318 | Capgemini Polska Sp. z o.o. | pl.cgnet | 1 024 | 0.006 % | LIR Info |
| 318 | Castor Enterprise Sp. z o.o. | pl.castor | 1 024 | 0.006 % | LIR Info |
| 318 | "CEBIT MARIUSZ MARTON" SPOLKA JAWNA | pl.cebit | 1 024 | 0.006 % | LIR Info |
| 318 | CELCOM SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA | pl.celcom | 1 024 | 0.006 % | LIR Info |
| 290 | CELLNEX POLAND Sp. z o.o. | pl.cellnex | 1 280 | 0.007 % | LIR Info |
| 318 | Centralny Osrodek Informatyki | pl.coi-gov-pl | 1 024 | 0.006 % | LIR Info |
| 235 | CENTRUM KOMPUTEROWE "PARTNET" MIROSLAW WOLSZLEGIER | pl.ckpartnet | 2 048 | 0.012 % | LIR Info |
| 318 | Centrum Personalizacji Dokumentow Ministerstwa Spraw Wewnetrznych i Administracji | pl.cpd | 1 024 | 0.006 % | LIR Info |
| 143 | CENTURIA S.A | pl.centuria3 | 5 376 | 0.031 % | LIR Info |
| 61 | Chopin Telewizja Kablowa spolka z ograniczona odpowiedzialnoscia | pl.chopin-cabletv | 19 456 | 0.111 % | LIR Info |
| 318 | Chroma Sp. z o.o. | pl.chroma | 1 024 | 0.006 % | LIR Info |
| 235 | Citimedia.pl Sp z o.o. | pl.citimediapl | 2 048 | 0.012 % | LIR Info |
| 133 | Citylink Telecom Sp. z o.o. | pl.tbtelecom | 7 168 | 0.041 % | LIR Info |
| 290 | CITYSTRADA S.A. | pl.citystradasa | 1 280 | 0.007 % | LIR Info |
| 587 | ClimaxNET sp. z o.o. | pl.climaxnet | 512 | 0.003 % | LIR Info |
| 40 | CloudFerro S.A | pl.cloudferro | 31 744 | 0.181 % | LIR Info |
| 318 | Cloudware Polska Sp. z o.o. | pl.cloudware | 1 024 | 0.006 % | LIR Info |
| 318 | Codeplant Sp. z o. o. | pl.codeplant | 1 024 | 0.006 % | LIR Info |
| 147 | COIG S.A | pl.coig-sa | 5 120 | 0.029 % | LIR Info |
| 318 | Comarch S.A. | pl.comarch-cdc | 1 024 | 0.006 % | LIR Info |
| 318 | Comarch S.A. | pl.comarch-cloud | 1 024 | 0.006 % | LIR Info |
| 318 | COMNET LINK sp. z o.o. | pl.comnetlink | 1 024 | 0.006 % | LIR Info |
| 598 | Comnet Multimedia sp. z o.o. | pl.comnetmm | 256 | 0.001 % | LIR Info |
| 235 | Complex Computers sp. z o.o. | pl.complex | 2 048 | 0.012 % | LIR Info |
| 235 | Comtegra S.A. | pl.comtegra | 2 048 | 0.012 % | LIR Info |
| 73 | Connected sp. z o. o. | pl.connected | 16 384 | 0.093 % | LIR Info |
| 318 | CONTACT.PL SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA | pl.contactpl | 1 024 | 0.006 % | LIR Info |
| 598 | Cure Net Sp. z o.o. | pl.curenet | 256 | 0.001 % | LIR Info |
| 318 | CVD Sp. z o.o. | pl.cvd-ltd | 1 024 | 0.006 % | LIR Info |
| 318 | CVD Sp. z o.o. Sp.k. | pl.cvd | 1 024 | 0.006 % | LIR Info |
| 18 | Cyber_Folks S.A. | pl.h88 | 83 968 | 0.478 % | LIR Info |
| 279 | CYBERNET WMW Sp. z o.o. | pl.cybernet2 | 1 792 | 0.010 % | LIR Info |
| 235 | Cyfrowy Polsat S.A. | pl.cp | 2 048 | 0.012 % | LIR Info |
| 147 | Czeslaw Chlewicki trading as IMPERIUM Telecom | pl.imperium | 5 120 | 0.029 % | LIR Info |
| 133 | Czestochowska Spoldzielnia Mieszkaniowa "Nasza Praca" | pl.csmnp | 7 168 | 0.041 % | LIR Info |
| 318 | Danuta Karwowska trading as F.H.U. KarwosNET | pl.karwosnet | 1 024 | 0.006 % | LIR Info |
| 133 | Dariusz Klimczuk trading as DERKOM Sp. J. | pl.derkomspj | 7 168 | 0.041 % | LIR Info |
| 143 | DARIUSZ WESOLOWSKI trading as PROMEDIA NOWICKI WESOLOWSKI Sp.J. | pl.promedia4 | 5 376 | 0.031 % | LIR Info |
| 318 | Dariusz Zietara trading as Zibed | pl.zibed | 1 024 | 0.006 % | LIR Info |
| 290 | DAR.NET Sp. z o.o. | pl.darnet1 | 1 280 | 0.007 % | LIR Info |
| 131 | DATASPACE P.S.A. | pl.dataspace1 | 7 424 | 0.042 % | LIR Info |
| 318 | Data Techno Park Sp. z o. o. | pl.datatechnopark | 1 024 | 0.006 % | LIR Info |
| 598 | Dawid Warzybok trading as VEETH | pl.veeth | 256 | 0.001 % | LIR Info |
| 235 | DAWIS IT Sp. z o.o. | pl.dawis-it | 2 048 | 0.012 % | LIR Info |
| 318 | DC24 Alternatywna Spolka Inwestycyjna Sp. z o.o. | pl.dialcom24 | 1 024 | 0.006 % | LIR Info |
| 579 | dcenter.pl sp. z o.o. | pl.dcenter | 768 | 0.004 % | LIR Info |
| 235 | DevonStudio Sp. z o.o. | pl.devon | 2 048 | 0.012 % | LIR Info |
| 598 | Dialo sp. z o. o. | pl.dialo | 256 | 0.001 % | LIR Info |
| 290 | DIGITAL UTILITIES SP Z O O | pl.digital | 1 280 | 0.007 % | LIR Info |
| 318 | Dimitrios Passis trading as ilios-system | pl.ilios | 1 024 | 0.006 % | LIR Info |
| 318 | DMT Software House Sp. z o.o. | pl.dmtsoftware1 | 1 024 | 0.006 % | LIR Info |
| 318 | DOLNET GROUP sp. z o.o. | pl.dolnet | 1 024 | 0.006 % | LIR Info |
| 37 | DOLSAT sp. z o.o. | pl.dolsat | 32 768 | 0.187 % | LIR Info |
| 598 | Domanski Zakrzewski Palinka sp. k. | pl.dzp | 256 | 0.001 % | LIR Info |
| 318 | DOMENY.TV MSERWIS Sp. z o. o. | pl.domenytv | 1 024 | 0.006 % | LIR Info |
| 318 | Dominik Drozdz trading as Mega-Net | pl.mega-net | 1 024 | 0.006 % | LIR Info |
| 73 | "Domtel Telecom" Dariusz Dombek | pl.domtel | 16 384 | 0.093 % | LIR Info |
| 227 | DomyNet Sp. z o.o. | pl.domynetspzoo | 2 304 | 0.013 % | LIR Info |
| 318 | Dr Irena Eris SA | pl.laboratorium | 1 024 | 0.006 % | LIR Info |
| 318 | DSS OPERATOR SPOLKA AKCYJNA | pl.fondlarpl | 1 024 | 0.006 % | LIR Info |
| 172 | DXC Technology Polska Sp.z o.o | pl.hppoland | 4 096 | 0.023 % | LIR Info |
| 598 | Dynacon Sp. z o.o. | pl.dynacon | 256 | 0.001 % | LIR Info |
| 23 | East & West Sp. z o.o. | pl.eastandwest | 73 728 | 0.420 % | LIR Info |
| 318 | ebox.pl Sp. z o.o. | pl.kbt | 1 024 | 0.006 % | LIR Info |
| 188 | E-Cho Sp. z o.o. | pl.e-cho3 | 3 840 | 0.022 % | LIR Info |
| 318 | Eden Internet Sp. z o.o. | pl.eden | 1 024 | 0.006 % | LIR Info |
| 318 | eDial Internet Sp. z o.o. | pl.awb-net | 1 024 | 0.006 % | LIR Info |
| 598 | EG Sp. z o.o. | pl.egk | 256 | 0.001 % | LIR Info |
| 598 | Elastic Email Sp. z o.o. | pl.elasticemail | 256 | 0.001 % | LIR Info |
| 64 | ELECTRONIC MECHANICAL COMPANY ELPOS SP Z O O | pl.elpos | 18 432 | 0.105 % | LIR Info |
| 287 | Eltronik Sp. z o.o. | pl.eltronik | 1 536 | 0.009 % | LIR Info |
| 587 | Elzbieta Joanna Nakiewicz trading as Telecentrum | pl.telecentrum | 512 | 0.003 % | LIR Info |
| 147 | EmiTel S.A. | pl.tpemitel | 5 120 | 0.029 % | LIR Info |
| 106 | Enformatel Sp. z o.o. | pl.enformatel | 9 472 | 0.054 % | LIR Info |
| 192 | Equinix (Poland) Sp. z o.o. | pl.equinix | 3 072 | 0.017 % | LIR Info |
| 318 | ESAB-KSK sp. z o.o. sp.k. | pl.esab-ksk | 1 024 | 0.006 % | LIR Info |
| 59 | eTOP sp. z o.o. | pl.etop | 20 224 | 0.115 % | LIR Info |
| 318 | EuroCon Global SP Z O.O. | pl.eurocon | 1 024 | 0.006 % | LIR Info |
| 40 | EURONET NORBERT SANIEWSKI SPOLKA JAWNA | pl.euronet | 31 744 | 0.181 % | LIR Info |
| 579 | EURO.NET.PL Sp. z o.o. | pl.euronetpl | 768 | 0.004 % | LIR Info |
| 192 | Eutelsat Polska Sp. z o.o. | pl.skylogic | 3 072 | 0.017 % | LIR Info |
| 587 | Euvic Solutions S.A. | pl.omnitec | 512 | 0.003 % | LIR Info |
| 318 | Ewa Kowalkowska trading as MROCZA - NET | pl.mroczanet | 1 024 | 0.006 % | LIR Info |
| 318 | Ewelina Sosnowska trading as HydroNet | pl.hydronet | 1 024 | 0.006 % | LIR Info |
| 11 | Exatel S.A. | pl.telenergo | 245 760 | 1.400 % | LIR Info |
| 235 | EXEA Sp. z o.o. | pl.tarrci | 2 048 | 0.012 % | LIR Info |
| 147 | ExpertSender S.A. | pl.3xr | 5 120 | 0.029 % | LIR Info |
| 579 | FASTAR Sp. z o.o. | pl.fastar | 768 | 0.004 % | LIR Info |
| 166 | Fiberax sp. z o.o. | pl.fiberax | 4 352 | 0.025 % | LIR Info |
| 73 | FIBERHOST S.A. | pl.fiberhost | 16 384 | 0.093 % | LIR Info |
| 290 | FIBERLINK Sp. z o.o. | pl.fiberlink | 1 280 | 0.007 % | LIR Info |
| 227 | Fiberway Sp. z o.o. | pl.fiberway2 | 2 304 | 0.013 % | LIR Info |
| 235 | FIBO SA | pl.dgnet | 2 048 | 0.012 % | LIR Info |
| 318 | FIBO SA | pl.optomediapolska | 1 024 | 0.006 % | LIR Info |
| 318 | Fidro Sp. z o.o. | pl.fidro | 1 024 | 0.006 % | LIR Info |
| 106 | FINEMEDIA SPOLKA JAWNA WOJCIECH WRONA, GRZEGORZ KALUZA | pl.finemedia | 9 472 | 0.054 % | LIR Info |
| 318 | Fione Sp. z o.o. | pl.fione | 1 024 | 0.006 % | LIR Info |
| 318 | Focus Telecom Polska S.A. | pl.focus | 1 024 | 0.006 % | LIR Info |
| 93 | "FORWEB" S.C. Monika Bodetko, Tomasz Pawlowski | pl.forweb | 12 288 | 0.070 % | LIR Info |
| 235 | FRESHPLANNERS Sp. z o.o. | pl.freshplanners | 2 048 | 0.012 % | LIR Info |
| 598 | Fundacja Nasza Wizja | pl.naszawizja | 256 | 0.001 % | LIR Info |
| 318 | FUNDACJA UNIWERSYTETU IM. ADAMA MICKIEWICZA W POZNANIU | pl.ppnt-pl | 1 024 | 0.006 % | LIR Info |
| 598 | Future Solutions 4U sp. z o.o. | pl.fs4u | 256 | 0.001 % | LIR Info |
| 109 | Futuro Exito Sp. z o.o. | pl.futuroexito | 9 216 | 0.052 % | LIR Info |
| 235 | Gabriel Sulka trading as Firma Handlowo - Uslugowa KOMPEX Gabriel Sulka | pl.kompex | 2 048 | 0.012 % | LIR Info |
| 598 | Galena Sp. z o.o. | pl.ahmes | 256 | 0.001 % | LIR Info |
| 61 | Gawex Media Sp. z o. o. | pl.gawex | 19 456 | 0.111 % | LIR Info |
| 318 | GBN.PL Sp. z o.o. | pl.gbn | 1 024 | 0.006 % | LIR Info |
| 147 | Geckonet Sp. z o. o. | pl.geckonet | 5 120 | 0.029 % | LIR Info |
| 318 | Gemini Internet Sp. z o.o. | pl.gemini | 1 024 | 0.006 % | LIR Info |
| 318 | General Logistics Systems Poland Sp. z o.o. | pl.general | 1 024 | 0.006 % | LIR Info |
| 192 | GetResponse S.A. | pl.getresponse | 3 072 | 0.017 % | LIR Info |
| 37 | GIGAGROUP Sp. z o.o. | pl.gigagroup | 32 768 | 0.187 % | LIR Info |
| 235 | GIVEME CLOUD SP Z O O | pl.giveme-cloud | 2 048 | 0.012 % | LIR Info |
| 318 | GlobalLogic Poland Sp. z o.o. | pl.globallogic | 1 024 | 0.006 % | LIR Info |
| 98 | GLOBITEL Sp. z o.o. | pl.globitel | 11 264 | 0.064 % | LIR Info |
| 318 | Gmina Miasta Jaworzna | pl.gminajaworzno | 1 024 | 0.006 % | LIR Info |
| 318 | Gmina Miasta Radomia | pl.gmradom | 1 024 | 0.006 % | LIR Info |
| 318 | GMINA MIEJSKA KRAKOW - URZAD MIASTA KRAKOWA | pl.umkrakow | 1 024 | 0.006 % | LIR Info |
| 217 | GreenLan Fiber Sp. z o.o. Sp.k. | pl.greenfiber | 2 560 | 0.015 % | LIR Info |
| 118 | Gremi Media SA | pl.rzeczpospolita | 8 192 | 0.047 % | LIR Info |
| 147 | Grupa KKI-BCI Sp. Z o.o. | pl.bci | 5 120 | 0.029 % | LIR Info |
| 147 | Grzegorz Jessa trading as "Jessa" Przedsiebiorstwo | pl.yesnet | 5 120 | 0.029 % | LIR Info |
| 598 | Grzegorz Maszczyk trading as MAG FIRMA HANDLOWA | pl.mag | 256 | 0.001 % | LIR Info |
| 290 | Grzegorz Wloch trading as LUKSUS | pl.luksus2 | 1 280 | 0.007 % | LIR Info |
| 318 | GT11 Sp. z o.o. | pl.gt11 | 1 024 | 0.006 % | LIR Info |
| 29 | Hawe Telekom S.A. | pl.fone | 48 128 | 0.274 % | LIR Info |
| 318 | helpful sp. z o.o. | pl.helpful | 1 024 | 0.006 % | LIR Info |
| 192 | HEXA OPERATOR SP. Z O.O. | pl.hexa | 3 072 | 0.017 % | LIR Info |
| 318 | Hicron Sp. z o.o. | pl.hicron | 1 024 | 0.006 % | LIR Info |
| 162 | HLG Sp. z o.o. | pl.hlg1 | 4 608 | 0.026 % | LIR Info |
| 290 | HomeNet Technologies Sp. z o.o. | pl.homenet1 | 1 280 | 0.007 % | LIR Info |
| 13 | home.pl sp. z o.o. | pl.homenet | 204 800 | 1.167 % | LIR Info |
| 290 | HOR.NET Polska Sp.z o.o. | pl.hornet-polska | 1 280 | 0.007 % | LIR Info |
| 27 | Horyzont Technologie Internetowe sp.z.o.o. | pl.horyzont | 63 232 | 0.360 % | LIR Info |
| 172 | Host4Biz sp. z o.o. | pl.host4biz-3 | 4 096 | 0.023 % | LIR Info |
| 598 | Host Direct sp. z o. o. | pl.hostdirect | 256 | 0.001 % | LIR Info |
| 598 | Hostovita sp. z o.o. | pl.hostovita | 256 | 0.001 % | LIR Info |
| 318 | Hrubieszowska Telewizja Kablowa Sp. z o.o. | pl.hrubieszowska | 1 024 | 0.006 % | LIR Info |
| 318 | HYCOM SA | pl.hycom | 1 024 | 0.006 % | LIR Info |
| 235 | HyperNET sp. z o.o. | pl.hypernet1 | 2 048 | 0.012 % | LIR Info |
| 287 | ICT FUTURE Sp. z o.o. | pl.ictfuture | 1 536 | 0.009 % | LIR Info |
| 227 | IDEMIA POLAND Sp. z o.o. | pl.idemia | 2 304 | 0.013 % | LIR Info |
| 318 | ILARIO SP. Z O.O. | pl.eot | 1 024 | 0.006 % | LIR Info |
| 318 | IN9 MOBILE Sp. z o.o. | pl.ezphone | 1 024 | 0.006 % | LIR Info |
| 14 | INEA sp. z o.o. | pl.ineasp | 189 440 | 1.079 % | LIR Info |
| 598 | INET GROUP Sp. z o.o. | pl.inetgroup1 | 256 | 0.001 % | LIR Info |
| 318 | Infomex Sp. z o.o. | pl.infomex | 1 024 | 0.006 % | LIR Info |
| 235 | Infover Sp. z o.o. | pl.infover | 2 048 | 0.012 % | LIR Info |
| 318 | inProjects Sp. z.o.o sp.k | pl.inprojects | 1 024 | 0.006 % | LIR Info |
| 109 | INSITE Sp. z o.o. | pl.insite-spzoo | 9 216 | 0.052 % | LIR Info |
| 48 | Institute of Bioorganic Chemistry Polish Academy of Science, Poznan Supercomputing and Networking Center | pl.pozman | 25 600 | 0.146 % | LIR Info |
| 172 | Institute of Soil Science and Plant Cultivation - State Research Institute | pl.pulman | 4 096 | 0.023 % | LIR Info |
| 598 | Instytut Mechaniki Sp. z o.o. | pl.im | 256 | 0.001 % | LIR Info |
| 37 | Intelligent Technologies S.A. | pl.itsa | 32 768 | 0.187 % | LIR Info |
| 235 | INTELLY NISKI STYPULKOWSKI BLASZCZUK Sp. j. | pl.intellyspj | 2 048 | 0.012 % | LIR Info |
| 598 | InterAction sp. z o.o. | pl.interaction | 256 | 0.001 % | LIR Info |
| 133 | Interia.pl Sp z.o.o. | pl.interiapl | 7 168 | 0.041 % | LIR Info |
| 70 | INTERKAM sp. z o.o. | pl.ikam | 17 408 | 0.099 % | LIR Info |
| 90 | Internet Union Sp. z o.o. | pl.internetunion | 13 312 | 0.076 % | LIR Info |
| 166 | Inter Plus Sp. z o.o. | pl.inter | 4 352 | 0.025 % | LIR Info |
| 235 | InterWan Sp. z o.o. | pl.interwan2 | 2 048 | 0.012 % | LIR Info |
| 290 | Inwep Sp. z o.o. | pl.inwep | 1 280 | 0.007 % | LIR Info |
| 598 | IP4NET Sp. z o.o. | pl.cctel | 256 | 0.001 % | LIR Info |
| 598 | IP SERVICES Sp. zo.o. | pl.ipservices11 | 256 | 0.001 % | LIR Info |
| 598 | IP SERVICES Sp. zo.o. | pl.ipservices18 | 256 | 0.001 % | LIR Info |
| 598 | IP SERVICES Sp. zo.o. | pl.ipservices19 | 256 | 0.001 % | LIR Info |
| 587 | IP SERVICES Sp. zo.o. | pl.ipservices20 | 512 | 0.003 % | LIR Info |
| 109 | IQ PL Sp. z o.o. | pl.org-iqpl1-ripe | 9 216 | 0.052 % | LIR Info |
| 318 | ISNET W. MISTAK M. MISTAK SPOLKA JAWNA | pl.isnet | 1 024 | 0.006 % | LIR Info |
| 80 | IT arte Sp. z o.o. | pl.itarte | 16 128 | 0.092 % | LIR Info |
| 217 | ITCOMP sp. z o.o | pl.itcomp | 2 560 | 0.015 % | LIR Info |
| 598 | ITENERUM Sp. z o.o. | pl.itenerum | 256 | 0.001 % | LIR Info |
| 172 | ITH sp. z o.o. | pl.terasys | 4 096 | 0.023 % | LIR Info |
| 318 | IT Partners Telco Sp. z o.o. | pl.itpartnerstelco | 1 024 | 0.006 % | LIR Info |
| 318 | ITS Network Solution Sp. z o.o. | pl.its | 1 024 | 0.006 % | LIR Info |
| 598 | IT WIRELESS NET Sp. z o.o. | pl.itwireless | 256 | 0.001 % | LIR Info |
| 166 | IVENDO sp. z o.o. | pl.ivendo3 | 4 352 | 0.025 % | LIR Info |
| 235 | IWACOM Sp. z o.o. | pl.iwacomspzoo | 2 048 | 0.012 % | LIR Info |
| 318 | Jacek Jarosz trading as Info Serwis | pl.infoserwis | 1 024 | 0.006 % | LIR Info |
| 598 | Jacek Jurczewski trading as Zaklad Elektroniki "ISKO" s.c. | pl.iskozyrardow | 256 | 0.001 % | LIR Info |
| 290 | Jacek Kowalski trading as SI.pl | pl.si | 1 280 | 0.007 % | LIR Info |
| 279 | Jacek Watorek trading as SPINE | pl.spine | 1 792 | 0.010 % | LIR Info |
| 81 | Jacek Zysko trading as Firma Handlowo - Uslugowa "Zfix" | pl.zfix14 | 15 360 | 0.087 % | LIR Info |
| 279 | Jakub Bartlomiej Osuch trading as Techgroup | pl.techgroup1 | 1 792 | 0.010 % | LIR Info |
| 598 | Jakub Kasprzak trading as "JD Kasprzak" | pl.jdkasprzak | 256 | 0.001 % | LIR Info |
| 217 | Jakub Skorek trading as MCG | pl.mcg2 | 2 560 | 0.015 % | LIR Info |
| 318 | Janusz Ciurus trading as Bestconnect | pl.bestconnect | 1 024 | 0.006 % | LIR Info |
| 318 | Jaroslaw Kubala trading as Przedsiebiorstwo AJC Adam Ozga | pl.ajc | 1 024 | 0.006 % | LIR Info |
| 598 | Jaroslaw Legosz trading as Prime ISP | pl.primeisp2021 | 256 | 0.001 % | LIR Info |
| 318 | Jaroslaw Stepien trading as BASNET P.P.H.U | pl.basnet | 1 024 | 0.006 % | LIR Info |
| 318 | Jawornet Sp. z o.o. | pl.jawornet | 1 024 | 0.006 % | LIR Info |
| 172 | Jerzy Krempa "Telpol" PPMUE | pl.telpol-ppmue | 4 096 | 0.023 % | LIR Info |
| 98 | JMDI Jacek Maleszko | pl.jmdi | 11 264 | 0.064 % | LIR Info |
| 598 | Jozef Lipka trading as POG-NET | pl.pog-net | 256 | 0.001 % | LIR Info |
| 318 | Jozwiak Wioletta trading as PPHU POKAL | pl.pphupokal | 1 024 | 0.006 % | LIR Info |
| 318 | K3M Sp. z o.o. Sp. k. | pl.k3m | 1 024 | 0.006 % | LIR Info |
| 118 | Kamil Turon trading as KAMNET | pl.kamnet4 | 8 192 | 0.047 % | LIR Info |
| 318 | Kancelaria Prezesa Rady Ministrow | pl.mac | 1 024 | 0.006 % | LIR Info |
| 318 | KASPOL.NET Sp. z o.o. | pl.kaspol-net | 1 024 | 0.006 % | LIR Info |
| 318 | Kazimierz Tomalka & Roman Harmansa Trading As Powernet | pl.powernet | 1 024 | 0.006 % | LIR Info |
| 51 | Kielce University of Technology | pl.kuot | 24 576 | 0.140 % | LIR Info |
| 318 | Klikom.net Sp.z o.o. | pl.klikom | 1 024 | 0.006 % | LIR Info |
| 68 | KOBA Sp. z o.o. | pl.koba | 17 920 | 0.102 % | LIR Info |
| 318 | Komenda Glowna Policji | pl.kgp | 1 024 | 0.006 % | LIR Info |
| 318 | Komster Sp. z o.o. | pl.komster | 1 024 | 0.006 % | LIR Info |
| 318 | KONIN-MIASTO NA PRAWACH POWIATU | pl.miastokonin | 1 024 | 0.006 % | LIR Info |
| 318 | KOPnet S.C. Marek Szczudlo Juliusz Kostrzewski | pl.kopnet | 1 024 | 0.006 % | LIR Info |
| 60 | Korbank S. A. | pl.korbank | 19 712 | 0.112 % | LIR Info |
| 598 | Kronospan Polska Sp. z o.o. | pl.kronospan | 256 | 0.001 % | LIR Info |
| 598 | Kru.pl Sp. z o.o. | pl.krupl2 | 256 | 0.001 % | LIR Info |
| 598 | Krystian Kania trading as "Net-komp" | pl.net-komp-kania | 256 | 0.001 % | LIR Info |
| 318 | Krystyna Baran trading as WISNIOWSKI Sp. z o.o. S.K.A. | pl.wisniowski | 1 024 | 0.006 % | LIR Info |
| 192 | Krzysztof Andrzej Kozak trading as P.P.H.U. "ARTUS" | pl.artus | 3 072 | 0.017 % | LIR Info |
| 318 | Krzysztof Antoni Krajewski trading as SpeedTransfer | pl.speedtransfer | 1 024 | 0.006 % | LIR Info |
| 318 | Krzysztof Jacek Pastuszka trading as Foto N | pl.foton | 1 024 | 0.006 % | LIR Info |
| 143 | Krzysztof Jan Klaptocz trading as Netservice | pl.netservice-pl | 5 376 | 0.031 % | LIR Info |
| 235 | Krzysztof Jasek trading as "KAJA Komputer" | pl.kajakomputer | 2 048 | 0.012 % | LIR Info |
| 318 | Krzysztof Krych trading as Nakigoto | pl.nakigoto | 1 024 | 0.006 % | LIR Info |
| 172 | Krzysztof Lachota trading as Image Electronics SC | pl.inet | 4 096 | 0.023 % | LIR Info |
| 318 | Krzysztof Lis trading as FOX-IT | pl.fox-it | 1 024 | 0.006 % | LIR Info |
| 318 | Krzysztof Musial trading as PASCAL | pl.pascal | 1 024 | 0.006 % | LIR Info |
| 598 | Krzysztof Naploszek trading as TEL NAP | pl.tel-nap-kn | 256 | 0.001 % | LIR Info |
| 318 | Krzysztof Pawluk trading as Zaklad Uslugowy Pawluk | pl.zupawluk | 1 024 | 0.006 % | LIR Info |
| 279 | Krzysztof Pluciennik Bartlomiej trading as PRONET-SERWIS | pl.pronet-serwis | 1 792 | 0.010 % | LIR Info |
| 318 | Krzysztof Polom trading as "Telsat" | pl.telsat | 1 024 | 0.006 % | LIR Info |
| 318 | Krzysztof Sebastian Widerkiewicz trading as LutekLAN.pl | pl.luteklanpl | 1 024 | 0.006 % | LIR Info |
| 598 | Krzysztof Skuneczny trading as Scoon Hardware Lab | pl.shl | 256 | 0.001 % | LIR Info |
| 318 | Krzysztof Trzop trading as KTM Telekom | pl.ktm | 1 024 | 0.006 % | LIR Info |
| 118 | Kujawsko-Pomorskie Centrum Kompetencji Cyfrowych Sp. z o.o. | pl.kpsi | 8 192 | 0.047 % | LIR Info |
| 217 | Laguna sp. z o.o. | pl.laguna2 | 2 560 | 0.015 % | LIR Info |
| 318 | LAITO Sp. Z O. O. | pl.kampinostelco | 1 024 | 0.006 % | LIR Info |
| 147 | LandTech Sp. z.o.o. | pl.landtech | 5 120 | 0.029 % | LIR Info |
| 34 | Leon Sp. z o.o. | pl.leon | 36 096 | 0.206 % | LIR Info |
| 318 | LEXELL MICHAL SZYDLOWSKI | pl.lexell | 1 024 | 0.006 % | LIR Info |
| 215 | LH.pl Sp. z o.o. | pl.lhpl | 2 816 | 0.016 % | LIR Info |
| 35 | Limes sp. z o.o. | pl.limes | 33 792 | 0.192 % | LIR Info |
| 46 | Livenet Sp. z o.o. | pl.livenet | 26 624 | 0.152 % | LIR Info |
| 598 | LiveSolutions sp. z o.o. | pl.livesolutions | 256 | 0.001 % | LIR Info |
| 33 | Load.me sp. z o. o. | pl.wnet | 38 400 | 0.219 % | LIR Info |
| 23 | Lodz University of Technology | pl.lodman | 73 728 | 0.420 % | LIR Info |
| 318 | LoVo Sp. z o.o. | pl.lovo | 1 024 | 0.006 % | LIR Info |
| 318 | LUKASZ KUZMINSKI trading as RADIO-NET | pl.rdnet | 1 024 | 0.006 % | LIR Info |
| 318 | Lukasz Rafal Hamerski trading as Maxnet | pl.maxnet | 1 024 | 0.006 % | LIR Info |
| 318 | Lukasz Rostalski trading as HiNet | pl.hinet | 1 024 | 0.006 % | LIR Info |
| 235 | Lukasz Siwik trading as SZYBKI-NET SP. J. | pl.szybki-net | 2 048 | 0.012 % | LIR Info |
| 81 | Lukasz Sobon trading as SC Media Adam i Lukasz Sobon Sp. J. | pl.scm | 15 360 | 0.087 % | LIR Info |
| 318 | Lukasz Wojcieszak trading as AirplusN | pl.airplusn | 1 024 | 0.006 % | LIR Info |
| 318 | LUKKA POLAND SP. Z O. O. | pl.coinfirm | 1 024 | 0.006 % | LIR Info |
| 64 | Lukman Multimedia Sp. z o.o | pl.lukman-pl | 18 432 | 0.105 % | LIR Info |
| 290 | Maciej Wasiuta trading as VIRTUAL SPACE | pl.virtualspace | 1 280 | 0.007 % | LIR Info |
| 235 | Maciej Zukowski trading as Netkom Uslugi informatyczne | pl.netkom-zukowski | 2 048 | 0.012 % | LIR Info |
| 318 | Maciej Zurek | pl.imik4 | 1 024 | 0.006 % | LIR Info |
| 318 | MACROSAT Sp. z o.o. | pl.pphumacrosat | 1 024 | 0.006 % | LIR Info |
| 318 | MAGDALENA ZANETA MARCZUK trading as LCS SYSTEMY TELEINFORMATYCZNE | pl.lcs | 1 024 | 0.006 % | LIR Info |
| 318 | MAIN Sp. z o.o. | pl.main | 1 024 | 0.006 % | LIR Info |
| 318 | Malborskie Swiatlowody sp. z o. o. | pl.malborskie | 1 024 | 0.006 % | LIR Info |
| 587 | Manubia sp. z o.o. | pl.manubia | 512 | 0.003 % | LIR Info |
| 318 | Marceli Kaczo trading as Rewolucja-NET | pl.rewolucja-net | 1 024 | 0.006 % | LIR Info |
| 318 | Marcin Barszcz trading as Conect | pl.conect | 1 024 | 0.006 % | LIR Info |
| 118 | Marcin Bochenek trading as CETI s.c. | pl.ceti | 8 192 | 0.047 % | LIR Info |
| 318 | Marcin Jan Peszel trading as TELENETIKS | pl.telenetiks | 1 024 | 0.006 % | LIR Info |
| 318 | MARCIN MALOLEPSZY @ALFANET | pl.alfanet | 1 024 | 0.006 % | LIR Info |
| 318 | Marcin Moczulski trading as Matronix | pl.matronix | 1 024 | 0.006 % | LIR Info |
| 290 | Marcin Noworyta trading as VISUAL-COMP | pl.visual-comp | 1 280 | 0.007 % | LIR Info |
| 217 | Marcin Pobieda trading as POBIEDA.PL | pl.pobieda4 | 2 560 | 0.015 % | LIR Info |
| 318 | Marcin Rabati trading as MORTIN | pl.mortin | 1 024 | 0.006 % | LIR Info |
| 318 | MARCIN SEBASTIAN ZIOLEK trading as MATCOM | pl.matcom | 1 024 | 0.006 % | LIR Info |
| 318 | Marcin Wolak trading as Voltar-NET | pl.voltarnet | 1 024 | 0.006 % | LIR Info |
| 598 | Marcin Zalewski trading as MK2 | pl.mk2marcin | 256 | 0.001 % | LIR Info |
| 162 | Marek Bajerski trading as HITME.PL | pl.hitme | 4 608 | 0.026 % | LIR Info |
| 235 | MAREK BZDZIUCH trading as CYFROTEL Sp. J. | pl.cyfrotel | 2 048 | 0.012 % | LIR Info |
| 318 | Marek Matejkowski trading as MARKOMP | pl.markomp | 1 024 | 0.006 % | LIR Info |
| 579 | Marek Michalkiewicz trading as AMELEK.NET | pl.amelek2 | 768 | 0.004 % | LIR Info |
| 147 | Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j. | pl.alfa-system | 5 120 | 0.029 % | LIR Info |
| 290 | MARGONET FIBER SP Z O O | pl.margonetspzoo | 1 280 | 0.007 % | LIR Info |
| 318 | Maria Anielska-Adamek trading as PHU ADAMEK | pl.adamek | 1 024 | 0.006 % | LIR Info |
| 19 | Maria Curie-Sklodowska University | pl.umcs | 82 944 | 0.472 % | LIR Info |
| 192 | Mariusz Chmielewski trading as Netfala | pl.netfala | 3 072 | 0.017 % | LIR Info |
| 318 | Mariusz Krupinski trading as mBit | pl.mbit | 1 024 | 0.006 % | LIR Info |
| 598 | Mariusz Ufel trading as N3T Projekt | pl.n3tprojekt | 256 | 0.001 % | LIR Info |
| 318 | Marta Wykpisz trading as KOL-NET | pl.kol-net | 1 024 | 0.006 % | LIR Info |
| 69 | Marton Media Sp. z o. o. | pl.martonmedia | 17 664 | 0.101 % | LIR Info |
| 598 | Massive Maker sp. z o.o. | pl.massivemaker | 256 | 0.001 % | LIR Info |
| 318 | MasterCard Payment Transaction Services S.A. | pl.mastercardpts | 1 024 | 0.006 % | LIR Info |
| 318 | Mateusz Dymitruk trading as PPHU Haker | pl.haker | 1 024 | 0.006 % | LIR Info |
| 318 | Matte Enterprise Sp. z o.o. | pl.mattebox | 1 024 | 0.006 % | LIR Info |
| 318 | MAXIA SP. Z O.O. | pl.maxia | 1 024 | 0.006 % | LIR Info |
| 587 | MBANK S.A. | pl.mbankpl | 512 | 0.003 % | LIR Info |
| 192 | Media-Com Sp. z o.o. | pl.media-com | 3 072 | 0.017 % | LIR Info |
| 598 | MEDIA-SYS USLUGI SP. Z O.O. | pl.msu | 256 | 0.001 % | LIR Info |
| 318 | Media Telekom Sp. z o.o. | pl.mediatelekom | 1 024 | 0.006 % | LIR Info |
| 318 | Meganecik Sp. z o.o. | pl.meganecik | 1 024 | 0.006 % | LIR Info |
| 318 | merce.com S.A. | pl.i-systems | 1 024 | 0.006 % | LIR Info |
| 318 | Merk Solutions sp. z o.o. | pl.merksolutions | 1 024 | 0.006 % | LIR Info |
| 192 | Metro Internet Sp. z o.o. | pl.metrointernet | 3 072 | 0.017 % | LIR Info |
| 279 | MetroLine Sp. z o.o. | pl.metroline | 1 792 | 0.010 % | LIR Info |
| 81 | MEVSPACE sp. z o.o. | pl.mev | 15 360 | 0.087 % | LIR Info |
| 598 | MFN NETWORK Sp. z o.o. | pl.mfnnetwork | 256 | 0.001 % | LIR Info |
| 138 | MGK Fiber Sp. z o.o. | pl.mgk | 6 144 | 0.035 % | LIR Info |
| 318 | Miasto Bialystok | pl.bialystok | 1 024 | 0.006 % | LIR Info |
| 318 | Miasto Bielsko-Biala | pl.umbb | 1 024 | 0.006 % | LIR Info |
| 318 | Miasto Zabrze | pl.mzdii | 1 024 | 0.006 % | LIR Info |
| 598 | Michal Gluminski trading as Firma Handlowa Gumis | pl.firma | 256 | 0.001 % | LIR Info |
| 190 | Michal Gomolka trading as Strzyzowski.Net Spolka Komandytowa | pl.strzyzowskinet1 | 3 584 | 0.020 % | LIR Info |
| 318 | Michal Paduch trading as PaduchNET | pl.paduchnet | 1 024 | 0.006 % | LIR Info |
| 290 | Michal Polaszek trading as FIRMA KOMPUTEROWA 3 D | pl.szybszynet | 1 280 | 0.007 % | LIR Info |
| 318 | Michal Stanislaw Golberg tranding as - NET | pl.mg-net | 1 024 | 0.006 % | LIR Info |
| 227 | Michal Swierk trading as ALFA-KOMPUTER SYSTEM | pl.alfa-komputersystem | 2 304 | 0.013 % | LIR Info |
| 137 | Miconet Sp. z o.o. | pl.miconet | 6 656 | 0.038 % | LIR Info |
| 587 | MicroStrategy Poland Sp. z o.o. | pl.mstr-net | 512 | 0.003 % | LIR Info |
| 235 | MIEJSKIE PRZEDSIEBIORSTWO WODOCIAGOW I KANALIZACJI "WODOCIAGI PULAWSKIE" SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA | pl.mpwik-pulawy | 2 048 | 0.012 % | LIR Info |
| 318 | Milosz Oller trading as Sys-Com | pl.sys-com | 1 024 | 0.006 % | LIR Info |
| 318 | Ministerstwo Klimatu i Srodowiska | pl.mos | 1 024 | 0.006 % | LIR Info |
| 318 | Mirela Bugdol trading as FHU Martcom | pl.martcom2 | 1 024 | 0.006 % | LIR Info |
| 318 | Mlodziezowa Spoldzielnia Mieszkaniowa | pl.msm | 1 024 | 0.006 % | LIR Info |
| 598 | MODIVO.COM S.A. | pl.eobuwiepl | 256 | 0.001 % | LIR Info |
| 318 | Montmay Sp. z o.o. | pl.montmay | 1 024 | 0.006 % | LIR Info |
| 318 | Movicom s.c. Witold Skorzycki, Dariusz Zwolinski | pl.movicom | 1 024 | 0.006 % | LIR Info |
| 318 | MPCNET SP. Z O.O. | pl.mpcnet | 1 024 | 0.006 % | LIR Info |
| 318 | Multan Michal trading as INFO-NET | pl.infoo-net | 1 024 | 0.006 % | LIR Info |
| 318 | MULTIMEDIA POLSKA BIZNES S.A. | pl.multimedia | 1 024 | 0.006 % | LIR Info |
| 6 | Multimedia Polska Sp. z o.o. | pl.szel-sat | 642 304 | 3.659 % | LIR Info |
| 217 | Multinet24 Sp.zoo | pl.multinet24 | 2 560 | 0.015 % | LIR Info |
| 318 | Multinet Sp. z o.o. | pl.multi-net | 1 024 | 0.006 % | LIR Info |
| 235 | Multiplay Sp. z o.o. | pl.multiplay | 2 048 | 0.012 % | LIR Info |
| 318 | MyNET Sp. z o.o. | pl.mynet | 1 024 | 0.006 % | LIR Info |
| 290 | N3net Sp. z o.o. | pl.n3net | 1 280 | 0.007 % | LIR Info |
| 26 | NASK Spolka Akcyjna | pl.naskspolka | 67 584 | 0.385 % | LIR Info |
| 9 | NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY | pl.nask | 335 872 | 1.913 % | LIR Info |
| 16 | Nazwa.pl Sp.z.o.o. | pl.netart | 99 328 | 0.566 % | LIR Info |
| 318 | NCC Polska Sp. z o.o. | pl.netartspzoo | 1 024 | 0.006 % | LIR Info |
| 318 | Netart.com sp.z o.o. | pl.netartcom | 1 024 | 0.006 % | LIR Info |
| 318 | NetArt Telekom Sp. z o.o. | pl.netarttelekom | 1 024 | 0.006 % | LIR Info |
| 318 | NETbis sp. z o.o. | pl.netbis1 | 1 024 | 0.006 % | LIR Info |
| 192 | NET BIS SP Z O O | pl.net-bis | 3 072 | 0.017 % | LIR Info |
| 318 | Netcity Sp. z o.o. | pl.netcity | 1 024 | 0.006 % | LIR Info |
| 318 | Netdrive.pl Krzysztof Bojko | pl.netdrivepl | 1 024 | 0.006 % | LIR Info |
| 598 | NetFire sp. z o. o. | pl.netfire | 256 | 0.001 % | LIR Info |
| 2 | Netia SA | pl.netia | 1 983 488 | 11.298 % | LIR Info |
| 579 | NETOWSKI sp. z o.o. | pl.netowski | 768 | 0.004 % | LIR Info |
| 318 | NET SHARKS Sp. z o.o. | pl.netsharks | 1 024 | 0.006 % | LIR Info |
| 318 | NETSPEED SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA | pl.netspeed | 1 024 | 0.006 % | LIR Info |
| 287 | Network Experts sp. z o.o. sp. k. | pl.netxp | 1 536 | 0.009 % | LIR Info |
| 598 | NEUCA S.A. | pl.neuca | 256 | 0.001 % | LIR Info |
| 318 | NEXET Sp. z o.o. | pl.nexet | 1 024 | 0.006 % | LIR Info |
| 318 | NEXT MOBILE P.S.A. | pl.globitell-wholesale | 1 024 | 0.006 % | LIR Info |
| 598 | Nicolaus Copernicus University in Torun | pl.umk | 256 | 0.001 % | LIR Info |
| 172 | Nitronet sp. z o.o. | pl.nnet | 4 096 | 0.023 % | LIR Info |
| 217 | Nowatel Sp. z o.o. | pl.nowatel | 2 560 | 0.015 % | LIR Info |
| 235 | NOWOGROD.NET SP. Z O.O. | pl.nowogrodnet | 2 048 | 0.012 % | LIR Info |
| 318 | Nowotarska Telewizja Kablowa sp zoo | pl.ntvk | 1 024 | 0.006 % | LIR Info |
| 318 | NOZEWNIK ANDRZEJ trading as NEXIM | pl.nexim | 1 024 | 0.006 % | LIR Info |
| 318 | NSIX Data Center sp. z o.o. | pl.nsixdata | 1 024 | 0.006 % | LIR Info |
| 215 | NTT DATA Business Solutions sp. z o.o. | pl.nttdata | 2 816 | 0.016 % | LIR Info |
| 290 | Oktawave S.A. | pl.oktawave | 1 280 | 0.007 % | LIR Info |
| 109 | Onefone SA | pl.onefone | 9 216 | 0.052 % | LIR Info |
| 318 | ONSET Sp. z o.o. | pl.onset | 1 024 | 0.006 % | LIR Info |
| 318 | Operator Chmury Krajowej Sp. z o.o., | pl.ochk | 1 024 | 0.006 % | LIR Info |
| 235 | OPERATOR WSS sp. z o.o. | pl.operator-wss | 2 048 | 0.012 % | LIR Info |
| 147 | Opole University | pl.opole | 5 120 | 0.029 % | LIR Info |
| 290 | OptiKabel Telecom Sp. z o.o. | pl.optikabel | 1 280 | 0.007 % | LIR Info |
| 1 | Orange Polska Spolka Akcyjna | pl.tpsa | 5 510 144 | 31.386 % | LIR Info |
| 598 | Orlen S.A. | pl.pgnig | 256 | 0.001 % | LIR Info |
| 45 | Oxylion Sp. z o.o. | pl.oxylion | 27 136 | 0.155 % | LIR Info |
| 318 | OXYNET sp. z o.o. | pl.psr | 1 024 | 0.006 % | LIR Info |
| 4 | P4 Sp. z o.o. | pl.project4 | 731 648 | 4.167 % | LIR Info |
| 3 | P4 Sp. z o.o. | pl.upc | 1 612 800 | 9.186 % | LIR Info |
| 598 | Panstwowe Gospodarstwo Wodne Wody Polskie | pl.wodypolskie | 256 | 0.001 % | LIR Info |
| 598 | Park Naukowo-Technologiczny w Opolu Sp. z o.o. | pl.pnt-opole | 256 | 0.001 % | LIR Info |
| 235 | PASJO.TEL Sp. z o.o. | pl.pasjotel | 2 048 | 0.012 % | LIR Info |
| 598 | Patryk Pazdro trading as 4Cloud Systems | pl.file | 256 | 0.001 % | LIR Info |
| 192 | PAWEL BAHRANOWSKI trading as "BATEX" | pl.batex2 | 3 072 | 0.017 % | LIR Info |
| 318 | Pawel Kosiorowski trading as RES.PL Kosiorowski, Wisniowski sp.j. | pl.respl | 1 024 | 0.006 % | LIR Info |
| 227 | Pawel Staszewski trading as ITCare | pl.itcare1 | 2 304 | 0.013 % | LIR Info |
| 235 | Pawel Walczuk trading as "BLUE-DOT" S.C. | pl.bluedot | 2 048 | 0.012 % | LIR Info |
| 318 | Pawel Zamaro trading as Netadmin Support | pl.netadmin | 1 024 | 0.006 % | LIR Info |
| 81 | Petrotel Sp. z o.o. | pl.petrotel | 15 360 | 0.087 % | LIR Info |
| 46 | Petrus Spolka z ograniczona odpowiedzialnoscia | pl.petrus | 26 624 | 0.152 % | LIR Info |
| 318 | PHU AMPLUS Krzysztof Jonski | pl.amplus | 1 024 | 0.006 % | LIR Info |
| 235 | PHU CAN GALUSZKA DARIUSZ | pl.can-cieszyn | 2 048 | 0.012 % | LIR Info |
| 318 | PHU Kario-Sat Sp. z o.o. | pl.kario-sat | 1 024 | 0.006 % | LIR Info |
| 131 | Piotr Bukowczyk trading as IT Systematic Group | pl.systematic | 7 424 | 0.042 % | LIR Info |
| 579 | PIOTR KARKOS trading as 4LAN Bogdanow, Karkos, Opara, Szumny, Wojciechowski Spolka Jawna | pl.4lan | 768 | 0.004 % | LIR Info |
| 598 | Piotr Lewandowski trading as ESNET S.C. | pl.esnet | 256 | 0.001 % | LIR Info |
| 235 | Piotr Pawel Swiatek trading as Easy Com | pl.easycom1 | 2 048 | 0.012 % | LIR Info |
| 318 | Piotr Pilek trading as LanTech | pl.lantech | 1 024 | 0.006 % | LIR Info |
| 587 | Piotr Platek trading as Platkom Tele-Informatyka | pl.platkom | 512 | 0.003 % | LIR Info |
| 318 | PIOTR ROSLAW ADROWSKI TRADING AS ABP COMPUTER | pl.abpcomputer | 1 024 | 0.006 % | LIR Info |
| 192 | Piotr Stepniewski trading as "Net Center" | pl.nowinynet | 3 072 | 0.017 % | LIR Info |
| 318 | Piotr Strzala trading as Blumedia | pl.blumedia | 1 024 | 0.006 % | LIR Info |
| 290 | Piotr Szajkowski trading as APCOM POLAND | pl.apcom2 | 1 280 | 0.007 % | LIR Info |
| 598 | Piotr Wieladek trading as Pionet | pl.pionet | 256 | 0.001 % | LIR Info |
| 318 | Piotr Wladykowski trading as ARSIM | pl.arsim | 1 024 | 0.006 % | LIR Info |
| 81 | PirxNet Grzegorz Bialas | pl.pirxnet | 15 360 | 0.087 % | LIR Info |
| 188 | PLJ TELECOM sp. z o.o. | pl.pljpl | 3 840 | 0.022 % | LIR Info |
| 318 | Polcom Sp. z o.o. | pl.polcom-lir | 1 024 | 0.006 % | LIR Info |
| 162 | POLINEO Sp. z o.o. | pl.polineosp | 4 608 | 0.026 % | LIR Info |
| 40 | Politechnika Bialostocka | pl.biaman | 31 744 | 0.181 % | LIR Info |
| 25 | Politechnika Bydgoska im. Jana i Jedrzeja Sniadeckich | pl.bydman | 70 656 | 0.402 % | LIR Info |
| 118 | Politechnika Czestochowska | pl.czestman | 8 192 | 0.047 % | LIR Info |
| 8 | Polkomtel Sp. z o.o. | pl.plusgsm | 480 256 | 2.736 % | LIR Info |
| 235 | Polska Press Sp. z o.o. | pl.gratka | 2 048 | 0.012 % | LIR Info |
| 318 | Polska Wytwornia Papierow Wartosciowych S.A. | pl.pwpw | 1 024 | 0.006 % | LIR Info |
| 290 | Polskie Sieci Szerokopasmowe Sp. z o.o. | pl.pss | 1 280 | 0.007 % | LIR Info |
| 138 | Powszechna Agencja Informacyjna S.A. | pl.pagi | 6 144 | 0.035 % | LIR Info |
| 90 | Poznanska Spoldzielnia Mieszkaniowa "Winogrady" w Poznaniu | pl.wtvk | 13 312 | 0.076 % | LIR Info |
| 98 | PRO INTERNET Sp. z o.o. | pl.prointernet | 11 264 | 0.064 % | LIR Info |
| 192 | Promarket Computers Sp. z o.o. | pl.promarket3 | 3 072 | 0.017 % | LIR Info |
| 318 | PRONETEUS Sp. z o.o. | pl.proneteus | 1 024 | 0.006 % | LIR Info |
| 318 | Prosperplast 1 Spolka z ograniczona odpowiedzialnoscia | pl.prosperplast | 1 024 | 0.006 % | LIR Info |
| 48 | Provector Sp. z o.o | pl.ksuprovector | 25 600 | 0.146 % | LIR Info |
| 318 | PRYMAS INWESTYCJE SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA SPOLKA KOMANDYTOWA | pl.prymas | 1 024 | 0.006 % | LIR Info |
| 318 | PRZEDSIEBIORSTWO AJC 2 S.C. OZGA ADAM, KUBALA JAROSLAW, OZGA KONRAD | pl.ajc2 | 1 024 | 0.006 % | LIR Info |
| 235 | Przedsiebiorstwo Handlowo Uslugowe " Kamdex" Grzegorz Sztuczka | pl.kamdex | 2 048 | 0.012 % | LIR Info |
| 318 | Przedsiebiorstwo Informatyczne FORTES J.Wasik, K.Niziolek Sp. j. | pl.fortes | 1 024 | 0.006 % | LIR Info |
| 44 | Przedsiebiorstwo "PROMAX" Spolka Jawna Zofia Formanek-Okroj, Wieslaw Okroj | pl.promax | 29 696 | 0.169 % | LIR Info |
| 318 | PRZEDSIEBIORSTWO TELEKOMUNIKACYJNE "TELGAM" SPOLKA AKCYJNA | pl.telgam | 1 024 | 0.006 % | LIR Info |
| 318 | PSJ sp. z o.o. | pl.psj | 1 024 | 0.006 % | LIR Info |
| 318 | PSSK Sp. z o.o. | pl.pssk | 1 024 | 0.006 % | LIR Info |
| 192 | Rafal Rajba trading as Intertell sp. z o.o. | pl.intertell | 3 072 | 0.017 % | LIR Info |
| 235 | RAGE4 NETWORKS POLSKA SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA | pl.rage4networks | 2 048 | 0.012 % | LIR Info |
| 172 | Redge Technologies sp. z o.o. | pl.atmsoftware | 4 096 | 0.023 % | LIR Info |
| 118 | Regionalna Telewizja Kablowa Spolka Jawna L.Iwanski i Wspolnicy | pl.rtk | 8 192 | 0.047 % | LIR Info |
| 290 | RFC Internet Sp. z o.o. | pl.rfcinternet | 1 280 | 0.007 % | LIR Info |
| 64 | Ringier Axel Springer Polska Sp. z o.o. | pl.onet | 18 432 | 0.105 % | LIR Info |
| 318 | Robert Biskupski trading as P.H.U. "Cresh.NET" | pl.creshnet | 1 024 | 0.006 % | LIR Info |
| 318 | Robert Jerzy Opielinski trading as NETCOM COMPUTERS | pl.netcom2 | 1 024 | 0.006 % | LIR Info |
| 318 | Robert Marek Bukowski trading as Media System | pl.mediasystem | 1 024 | 0.006 % | LIR Info |
| 318 | Robert Wojna trading as Polnet24 SP. Z O.O. | pl.polnet24 | 1 024 | 0.006 % | LIR Info |
| 318 | RODZIEWICZ, BORKOWSKI, MISZTAL trading as "THERIDION" SPOLKA JAWNA | pl.theridion | 1 024 | 0.006 % | LIR Info |
| 587 | RSO Host Sp. z o.o. | pl.rsohost | 512 | 0.003 % | LIR Info |
| 118 | RWD PROSPECT sp.z o.o. | pl.prospect | 8 192 | 0.047 % | LIR Info |
| 98 | Rybnet Sp. z o.o. Sp. k. | pl.rybnet | 11 264 | 0.064 % | LIR Info |
| 318 | Ryszard Zawilski trading as ITTAM | pl.ittam | 1 024 | 0.006 % | LIR Info |
| 73 | Rzeszow University of Technology | pl.academic | 16 384 | 0.093 % | LIR Info |
| 43 | Sat Film Sp. z o.o. | pl.satfilm | 30 208 | 0.172 % | LIR Info |
| 57 | SAT-MONT-SERVICE JACEK MRUK, KRZYSZTOF MRUK Sp. z o.o. | pl.smsnet | 21 504 | 0.122 % | LIR Info |
| 235 | Satpol Plus Sp. z o.o. | pl.satpolsc | 2 048 | 0.012 % | LIR Info |
| 318 | Sebastian Dabinski trading as DBS Internet | pl.dbs | 1 024 | 0.006 % | LIR Info |
| 166 | SEBEK sp. z o.o | pl.sebek | 4 352 | 0.025 % | LIR Info |
| 235 | SEOHOST Sp. z o.o. | pl.seohost | 2 048 | 0.012 % | LIR Info |
| 192 | SerczerNET Malgorzata Nienaltowska | pl.serczernet | 3 072 | 0.017 % | LIR Info |
| 318 | SEWERYN TYBORSKI trading as "Barnet" | pl.phubarnet | 1 024 | 0.006 % | LIR Info |
| 318 | SferaNET Sp. z o.o. | pl.fibretech | 1 024 | 0.006 % | LIR Info |
| 73 | Sieci Blokowe S.C. | pl.blokowe | 16 384 | 0.093 % | LIR Info |
| 290 | Sieci Swiatlowodowe Sp. z o.o. | pl.sieciswiatlowodowe | 1 280 | 0.007 % | LIR Info |
| 32 | Sileman Sp. z o.o. | pl.sgmi | 38 912 | 0.222 % | LIR Info |
| 21 | Silesian University of Technology, Computer Centre | pl.ckpolsl | 74 752 | 0.426 % | LIR Info |
| 192 | Sinersio Polska Sp. z o.o. | pl.sinersio | 3 072 | 0.017 % | LIR Info |
| 318 | Skynet sp. z o.o. | pl.skynet | 1 024 | 0.006 % | LIR Info |
| 86 | Skyware Sp. z o.o. | pl.skyware | 14 848 | 0.085 % | LIR Info |
| 318 | Slaska Siec Metropolitalna Sp. z o.o. | pl.ssm | 1 024 | 0.006 % | LIR Info |
| 318 | Slaska Siec Metropolitalna Sp. z o.o. | pl.ssmgliwice | 1 024 | 0.006 % | LIR Info |
| 318 | Slawomir Zapart trading as ZAPNET KAROL ZAPART Sp.j. | pl.zapnet | 1 024 | 0.006 % | LIR Info |
| 90 | S-NET Sp. z o.o. | pl.s-net | 13 312 | 0.076 % | LIR Info |
| 318 | SoftBlue S.A. | pl.softblue | 1 024 | 0.006 % | LIR Info |
| 318 | SOKOLOW, SPOLKA AKCYJNA | pl.sokolow | 1 024 | 0.006 % | LIR Info |
| 143 | SOLLUTIUM EU Sp z.o.o. | pl.sollutium | 5 376 | 0.031 % | LIR Info |
| 172 | Spoldzielnia Mieszkaniowa Lokatorsko-Wlasnosciowa SLOWIANIN | pl.slowianin | 4 096 | 0.023 % | LIR Info |
| 318 | Spoldzielnia Mieszkaniowa "Metalowiec" W Krasniku | pl.sm-metalowiec | 1 024 | 0.006 % | LIR Info |
| 109 | Spoldzielnia Mieszkaniowa "Polnoc" | pl.smpolnoc | 9 216 | 0.052 % | LIR Info |
| 73 | Spoldzielnia Mieszkaniowa w Grudziadzu | pl.smgr | 16 384 | 0.093 % | LIR Info |
| 97 | Spoldzielnia Telekomunikacyjna OST | pl.ost | 11 520 | 0.066 % | LIR Info |
| 318 | Spoldzielnia Telekomunikacyjna WIST w Lace | pl.wist | 1 024 | 0.006 % | LIR Info |
| 318 | Spoldzielnia ZODIAK | pl.zodiak | 1 024 | 0.006 % | LIR Info |
| 93 | "SPRINT" S.A. | pl.sprint | 12 288 | 0.070 % | LIR Info |
| 318 | Squiz Poland Sp. z o. o. | pl.squiz | 1 024 | 0.006 % | LIR Info |
| 598 | Stanislaw Kubica trading as GESANET Sp z.o.o | pl.gesanet | 256 | 0.001 % | LIR Info |
| 318 | Stanislaw Nowacki trading as TEPSANET NOWACCY Sp. J. | pl.tepsanet | 1 024 | 0.006 % | LIR Info |
| 109 | Stansat Stanislaw Grzesik | pl.stansat | 9 216 | 0.052 % | LIR Info |
| 61 | StarNet Telecom Sp. z o.o. | pl.starnet | 19 456 | 0.111 % | LIR Info |
| 598 | Stelweld Sp. z o.o. | pl.stelweld | 256 | 0.001 % | LIR Info |
| 598 | SteriPack Medical Poland Sp. z o.o. | pl.steripack | 256 | 0.001 % | LIR Info |
| 318 | STIMO.NET SP. Z O.O. | pl.stimonet | 1 024 | 0.006 % | LIR Info |
| 318 | STK "TV SAT 364" | pl.stktv | 1 024 | 0.006 % | LIR Info |
| 318 | STORMmedia sp. z o.o. | pl.stormmedia | 1 024 | 0.006 % | LIR Info |
| 86 | Stowarzyszenie e-Poludnie | pl.epoludnie | 14 848 | 0.085 % | LIR Info |
| 318 | Stowarzyszenie "Warszawski Hackerspace" | pl.hs | 1 024 | 0.006 % | LIR Info |
| 147 | Studio WIK Sp. z o.o. | pl.wik | 5 120 | 0.029 % | LIR Info |
| 30 | SUPERMEDIA Sp.z.o.o. | pl.supermedia | 41 984 | 0.239 % | LIR Info |
| 318 | SUPER NET SA | pl.super | 1 024 | 0.006 % | LIR Info |
| 290 | Support.pl sp. z. o. o. | pl.support | 1 280 | 0.007 % | LIR Info |
| 166 | Sylwester Kus trading as InfaNET | pl.infanet4 | 4 352 | 0.025 % | LIR Info |
| 318 | Sylwia Watroba trading as Rekami | pl.rekami | 1 024 | 0.006 % | LIR Info |
| 217 | Syrion Sp. z o.o. | pl.syrion | 2 560 | 0.015 % | LIR Info |
| 138 | Sysclay Sp. z o. o. | pl.sysclay | 6 144 | 0.035 % | LIR Info |
| 318 | System Gazociagow Tranzytowych EUROPOL GAZ S.A. | pl.europolgaz | 1 024 | 0.006 % | LIR Info |
| 172 | Systemia.pl Sp. z o.o. | pl.systemia | 4 096 | 0.023 % | LIR Info |
| 318 | Szczecinski Park Naukowo - Technologiczny Sp. z o.o. | pl.spnt | 1 024 | 0.006 % | LIR Info |
| 290 | Szczepan Redzioch | pl.sr | 1 280 | 0.007 % | LIR Info |
| 290 | Szymon Marek Chmielak trading as Cool-Net | pl.coolnet | 1 280 | 0.007 % | LIR Info |
| 318 | Szymon Perski trading as PERSKIMEDIA | pl.perskinet | 1 024 | 0.006 % | LIR Info |
| 235 | TARNOBRZESKA SPOLDZIELNIA MIESZKANIOWA W TARNOBRZEGU | pl.tsm2 | 2 048 | 0.012 % | LIR Info |
| 98 | Tarnowski Osrodek Informacyjny Aleksander Rajski | pl.tarman | 11 264 | 0.064 % | LIR Info |
| 235 | TAURON Obsluga Klienta Sp. z o.o. | pl.infonet | 2 048 | 0.012 % | LIR Info |
| 579 | TAURON Obsluga Klienta Sp. z o.o. | pl.tauronok | 768 | 0.004 % | LIR Info |
| 172 | TechMedia Sp. z o.o. | pl.techmedia-pl | 4 096 | 0.023 % | LIR Info |
| 51 | Technical University of Gdansk, Academic Computer Center TASK | pl.task | 24 576 | 0.140 % | LIR Info |
| 105 | Technical University of Koszalin | pl.kosman | 10 240 | 0.058 % | LIR Info |
| 172 | Techstorage sp. z o.o. | pl.techstorage | 4 096 | 0.023 % | LIR Info |
| 318 | TELBESKID Sp. z o.o. | pl.telbeskid | 1 024 | 0.006 % | LIR Info |
| 235 | TELEGO Sp. z o.o. | pl.t-novum | 2 048 | 0.012 % | LIR Info |
| 318 | TELEKOM.pl Sp. z o.o. | pl.telekompl | 1 024 | 0.006 % | LIR Info |
| 35 | Telekomunikacja Podlasie Sp. z o.o. | pl.tpodlasie | 33 792 | 0.192 % | LIR Info |
| 318 | Telemedian Sp. z o.o. | pl.telemedian | 1 024 | 0.006 % | LIR Info |
| 318 | TELENET.PL Sp. z o.o. | pl.przedsiebiorstwo | 1 024 | 0.006 % | LIR Info |
| 142 | Teleport sp. z o.o. | pl.teleport2 | 5 632 | 0.032 % | LIR Info |
| 290 | Televoice Polska Sp. z o.o. | pl.televoice1 | 1 280 | 0.007 % | LIR Info |
| 191 | Telewizja Kablowa Hajnowka Kiedys Kiryluk Sp.J. | pl.tvkhajnowka | 3 328 | 0.019 % | LIR Info |
| 147 | Telewizja Kablowa Kolobrzeg, Agencja Uslugowo - Reklamowa sp. z o.o. | pl.tkkol | 5 120 | 0.029 % | LIR Info |
| 51 | Telewizja Kablowa Koszalin sp. z o. o. | pl.tkk | 24 576 | 0.140 % | LIR Info |
| 318 | Telewizja Polska S.A. | pl.tvpsa | 1 024 | 0.006 % | LIR Info |
| 235 | Telkab sp. z o.o. | pl.telkabspzoo | 2 048 | 0.012 % | LIR Info |
| 235 | Tel-Kab Sp. z o.o. | pl.tel-kab | 2 048 | 0.012 % | LIR Info |
| 217 | "TELKONEKT" SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA | pl.telkonekt | 2 560 | 0.015 % | LIR Info |
| 318 | Tellion Sp. z o.o. | pl.tellion | 1 024 | 0.006 % | LIR Info |
| 93 | TELNAP TELECOM Sp. z o.o. | pl.telnap | 12 288 | 0.070 % | LIR Info |
| 279 | TELNET Ropczyce Sp. z o.o. | pl.telnet3 | 1 792 | 0.010 % | LIR Info |
| 318 | TEXT SA | pl.livechat | 1 024 | 0.006 % | LIR Info |
| 318 | Tide Software Sp. z o.o. | pl.tidesoftware | 1 024 | 0.006 % | LIR Info |
| 117 | Timplus sp. z o.o. | pl.itvmedia | 8 704 | 0.050 % | LIR Info |
| 318 | Timplus sp. z o.o. | pl.timplusspzoo | 1 024 | 0.006 % | LIR Info |
| 318 | Tivo Poland sp. z o.o. | pl.tvservices | 1 024 | 0.006 % | LIR Info |
| 11 | TK Telekom sp. z o.o. | pl.tktelekom | 245 760 | 1.400 % | LIR Info |
| 17 | T-Mobile Polska S.A. | pl.energis | 90 112 | 0.513 % | LIR Info |
| 5 | T-Mobile Polska S.A. | pl.eranet | 679 936 | 3.873 % | LIR Info |
| 10 | T-Mobile Polska S.A. | pl.it | 278 528 | 1.586 % | LIR Info |
| 318 | Tomasz Furman trading as INTERKONEKT | pl.interkonekt | 1 024 | 0.006 % | LIR Info |
| 318 | Tomasz Gasior trading as Sownet | pl.sownet | 1 024 | 0.006 % | LIR Info |
| 290 | Tomasz Gawin trading as Interka Gawin Respondek sp.j. | pl.interka | 1 280 | 0.007 % | LIR Info |
| 598 | Tomasz Gorzynski trading as Tomasz Gorzynski IT | pl.grupaping | 256 | 0.001 % | LIR Info |
| 598 | Tomasz Laguz trading as Tetryon | pl.tetryon | 256 | 0.001 % | LIR Info |
| 118 | Tomasz SLASKI trading as SKONET ISP | pl.ip4isp | 8 192 | 0.047 % | LIR Info |
| 598 | Tomasz Soja trading as SOJA-NET | pl.sojanet | 256 | 0.001 % | LIR Info |
| 217 | Tomasz Spasiuk | pl.virtua3 | 2 560 | 0.015 % | LIR Info |
| 109 | TOM-NET s.c. Dariusz Koper, Radoslaw Koper | pl.tom-net | 9 216 | 0.052 % | LIR Info |
| 318 | TOPDATA SP. Z 0.0. | pl.topdata | 1 024 | 0.006 % | LIR Info |
| 15 | Toya sp.z.o.o | pl.toya | 167 936 | 0.957 % | LIR Info |
| 318 | Transgourmet Polska Sp. z o.o. | pl.transgourmet | 1 024 | 0.006 % | LIR Info |
| 318 | Transmitel Sp. z o.o. | pl.transmitel | 1 024 | 0.006 % | LIR Info |
| 172 | Tricomp Sp. z. o. o. | pl.tricomp | 4 096 | 0.023 % | LIR Info |
| 235 | TTcomm sp. z o.o. | pl.ttcomm | 2 048 | 0.012 % | LIR Info |
| 93 | "TVK" ZJAWIONA ELZBIETA | pl.telka | 12 288 | 0.070 % | LIR Info |
| 172 | Ultranet Sp. z o.o. | pl.ultranet | 4 096 | 0.023 % | LIR Info |
| 290 | UNINET Sp. z o.o. | pl.uninetspzoo | 1 280 | 0.007 % | LIR Info |
| 192 | Uniqal Media & Communications Sp. z o.o. | pl.twinix | 3 072 | 0.017 % | LIR Info |
| 166 | UNITEL-MEDIA Sp. z o.o. | pl.unitel-media | 4 352 | 0.025 % | LIR Info |
| 64 | University of Warmia and Mazury in Olsztyn, Poland | pl.olman | 18 432 | 0.105 % | LIR Info |
| 73 | University of Warsaw | pl.icm | 16 384 | 0.093 % | LIR Info |
| 318 | Uniwersytet Radomski im. Kazimierza Pulaskiego | pl.raman | 1 024 | 0.006 % | LIR Info |
| 98 | Uniwersytet Zielonogorski | pl.zielman | 11 264 | 0.064 % | LIR Info |
| 598 | Urszula Kolodziej trading as INTERSIEC | pl.intersiec | 256 | 0.001 % | LIR Info |
| 7 | VECTRA S.A. | pl.daminet | 553 216 | 3.151 % | LIR Info |
| 579 | VERCOM S.A. | pl.mailerlite | 768 | 0.004 % | LIR Info |
| 72 | VERCOM S.A. | pl.vercom | 16 640 | 0.095 % | LIR Info |
| 192 | Verizon Polska Sp Z.o.o. | pl.vzb | 3 072 | 0.017 % | LIR Info |
| 118 | VIP AGENCJA REKLAMY sp. z o.o | pl.vipagencja | 8 192 | 0.047 % | LIR Info |
| 71 | VIRTUAL TELECOM SP. Z O.O. | pl.vtelecom | 16 896 | 0.096 % | LIR Info |
| 598 | VISIONCUBE S.A. | pl.visioncube | 256 | 0.001 % | LIR Info |
| 51 | VISOL Sp.z.o.o. | pl.visol | 24 576 | 0.140 % | LIR Info |
| 192 | Voice-Net Sp. z o.o. | pl.voice-net | 3 072 | 0.017 % | LIR Info |
| 106 | Volta Communications Sp.z.o.o. | pl.volta-gdn | 9 472 | 0.054 % | LIR Info |
| 318 | Vstack Europe Sp. z o.o. | pl.vstack | 1 024 | 0.006 % | LIR Info |
| 318 | Waclaw Piotr Labedz trading as P.H.U."CYBER GROTA" | pl.cybergrota | 1 024 | 0.006 % | LIR Info |
| 318 | Waldemar Migas trading as Hrubieszowska Telewizja Kablowa Sp.J. | pl.htk | 1 024 | 0.006 % | LIR Info |
| 109 | Warsaw Data Center Sp. z o.o. | pl.webcorp | 9 216 | 0.052 % | LIR Info |
| 162 | WAVE FIBER Sp. z.o.o. | pl.wavefiber | 4 608 | 0.026 % | LIR Info |
| 118 | WDM Sp. z o.o. | pl.wdmc | 8 192 | 0.047 % | LIR Info |
| 192 | WEBDEV Sp. z o.o. | pl.webdev | 3 072 | 0.017 % | LIR Info |
| 318 | Wipasz S.A | pl.wipasz | 1 024 | 0.006 % | LIR Info |
| 118 | Wirtualna Polska Media S.A. | pl.cnt | 8 192 | 0.047 % | LIR Info |
| 318 | Wirtualne Powiaty 3 Sp. z o.o. | pl.wirtualne | 1 024 | 0.006 % | LIR Info |
| 318 | WMC Sp. z o.o. | pl.wmc | 1 024 | 0.006 % | LIR Info |
| 318 | Wojciech Jerzy Winkel trading as "Tempus Telecom" | pl.tempus | 1 024 | 0.006 % | LIR Info |
| 318 | Wojciech Jerzy Winkel trading as "Tempus Telecom" | pl.tempustelecom | 1 024 | 0.006 % | LIR Info |
| 318 | Wojciech Wielogorski trading as SYMETRA | pl.dx4 | 1 024 | 0.006 % | LIR Info |
| 227 | Wojciech Woch trading as CYBERNET WMW | pl.cybernet3 | 2 304 | 0.013 % | LIR Info |
| 235 | Wojewodztwo Lubelskie | pl.sspw-wl | 2 048 | 0.012 % | LIR Info |
| 318 | Wojewodztwo Mazowieckie | pl.masovian | 1 024 | 0.006 % | LIR Info |
| 318 | Wojewodztwo Podlaskie | pl.sspw-wp-podlaskie | 1 024 | 0.006 % | LIR Info |
| 235 | Wojewodztwo Swietokrzyskie | pl.umws-rssws | 2 048 | 0.012 % | LIR Info |
| 318 | WOJSKOWY INSTYTUT LACZNOSCI | pl.wojskowy | 1 024 | 0.006 % | LIR Info |
| 48 | Wroclaw Centre of Networking and Supercomputing | pl.wask | 25 600 | 0.146 % | LIR Info |
| 318 | Wroclawski Park Technologiczny S.A. | pl.wpt | 1 024 | 0.006 % | LIR Info |
| 318 | Xbest.net.pl Sp.z o.o. | pl.stajlnet | 1 024 | 0.006 % | LIR Info |
| 318 | x-kom sp. z o.o. | pl.x-kom | 1 024 | 0.006 % | LIR Info |
| 598 | Xtend New Media Sp. z o. o. | pl.xtend | 256 | 0.001 % | LIR Info |
| 318 | YNET MANAGEMENT PAWEL SKRODZKI | pl.ynetmanagement | 1 024 | 0.006 % | LIR Info |
| 30 | Zachodniopomorski Uniwersytet Technologiczny w Szczecinie, Akademickie Centrum Informatyki | pl.amsk | 41 984 | 0.239 % | LIR Info |
| 318 | ZAKLAD GOSPODARKI LOKALOWEJ SP. Z O.O. W BIALEJ PODLASKIEJ | pl.zglbp | 1 024 | 0.006 % | LIR Info |
| 318 | Zaklad Uslug Telewizji Kablowej Leslaw Dorobek | pl.tvkg | 1 024 | 0.006 % | LIR Info |
| 318 | Zbigniew Halat trading as PPUH ZYBI | pl.zybi | 1 024 | 0.006 % | LIR Info |
| 318 | Zbigniew Sojka trading as PPHU Matrix | pl.pphumatrix | 1 024 | 0.006 % | LIR Info |
| 57 | ZESPOL EFEKTYWNYCH TECHNIK OBLICZENIOWYCH S.A. | pl.zetosa | 21 504 | 0.122 % | LIR Info |
| 318 | ZETO-RZESZOW Sp. z o.o. | pl.zeto-rzeszow | 1 024 | 0.006 % | LIR Info |
| 98 | "ZICOM NEXT" SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA | pl.zicomnexttarnow | 11 264 | 0.064 % | LIR Info |
| 318 | ZIPnet sp. z o.o. | pl.pcservice | 1 024 | 0.006 % | LIR Info |