This page gives the number of IPv4 addresses allocated to each Local Internet Registry (LIR) in Italy (IT) 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 |
|---|---|---|---|---|---|
| 952 | 2000net srl | it.2000net | 256 | 0.001 % | LIR Info |
| 512 | 2S Computers SRL | it.karsolink | 1 536 | 0.003 % | LIR Info |
| 541 | 3punto6 srl | it.36 | 1 024 | 0.002 % | LIR Info |
| 541 | 3 S S.R.L. SOLUTIONS SERVICES SYSTEMS | it.3s | 1 024 | 0.002 % | LIR Info |
| 181 | 42com SAT Srl | it.42com | 7 424 | 0.017 % | LIR Info |
| 541 | 4ISP SRL | it.forisp | 1 024 | 0.002 % | LIR Info |
| 541 | 4WARD S.R.L. | it.4ward | 1 024 | 0.002 % | LIR Info |
| 541 | 7Layers S.r.l. | it.7layers | 1 024 | 0.002 % | LIR Info |
| 952 | 8route SRL | it.8route | 256 | 0.001 % | LIR Info |
| 41 | A2A Smart City S.P.A | it.a2asmartcity | 50 176 | 0.114 % | LIR Info |
| 905 | A2A Spa | it.a2a | 768 | 0.002 % | LIR Info |
| 390 | Abaco Informatica S.r.l. | it.abanet | 2 048 | 0.005 % | LIR Info |
| 541 | AB Holding SpA | it.abholdingspa | 1 024 | 0.002 % | LIR Info |
| 390 | AB NET S.R.L. | it.abnet | 2 048 | 0.005 % | LIR Info |
| 390 | ACCENTURE FINANCIAL ADVANCED SOLUTIONS & TECHNOLOGY S.R.L. | it.secservizi | 2 048 | 0.005 % | LIR Info |
| 390 | Accenture Outsourcing S.R.L | it.aomil | 2 048 | 0.005 % | LIR Info |
| 952 | ACCIAIERIE VALBRUNA S.P.A. | it.valbruna | 256 | 0.001 % | LIR Info |
| 311 | ACI informatica s.p.a. | it.aciinformatica | 3 072 | 0.007 % | LIR Info |
| 126 | Aconet Srl | it.aconet | 9 216 | 0.021 % | LIR Info |
| 541 | Acque S.p.A. | it.acquespa | 1 024 | 0.002 % | LIR Info |
| 541 | ACQUIRENTE UNICO SPA | it.acquirenteunico | 1 024 | 0.002 % | LIR Info |
| 952 | ACS GROUP SPA | it.acs | 256 | 0.001 % | LIR Info |
| 118 | Active Network S.p.A. | it.actnet | 10 752 | 0.024 % | LIR Info |
| 390 | ADAL NETWORK SRL | it.adalnetwork | 2 048 | 0.005 % | LIR Info |
| 541 | AD Consulting S.P.A. | it.adcgroup | 1 024 | 0.002 % | LIR Info |
| 952 | Adil Sidki | it.fly-wifi | 256 | 0.001 % | LIR Info |
| 390 | ADR TEL s.p.a. | it.adrtel | 2 048 | 0.005 % | LIR Info |
| 541 | A.D. TEL S.R.L. | it.adtel | 1 024 | 0.002 % | LIR Info |
| 952 | Advanced Business Telecommunications S.r.l. | it.abtlc | 256 | 0.001 % | LIR Info |
| 541 | Aerius Network SRL | it.aerius | 1 024 | 0.002 % | LIR Info |
| 390 | Aeroporto G. Marconi di Bologna s.p.a. | it.bologna-airport | 2 048 | 0.005 % | LIR Info |
| 541 | AETHERNA S.R.L. | it.aethernasrl | 1 024 | 0.002 % | LIR Info |
| 952 | Afinna One S.r.l. | it.afinnaone | 256 | 0.001 % | LIR Info |
| 541 | Agenzia per L'Italia Digitale | it.ic-spc-agid | 1 024 | 0.002 % | LIR Info |
| 250 | AGESCI - Associazione Guide e Scout Cattolici Italiani | it.agesci | 4 096 | 0.009 % | LIR Info |
| 541 | AGORA' DI FRANCESCO MERENDA & C. - S.A.S | it.agonet | 1 024 | 0.002 % | LIR Info |
| 952 | Ahrntaler E-Werk Genossenschaft | it.ahrntal | 256 | 0.001 % | LIR Info |
| 117 | air2bite s.r.l. | it.air2bite1 | 11 008 | 0.025 % | LIR Info |
| 311 | Airbeam S.r.l. | it.airbeam | 3 072 | 0.007 % | LIR Info |
| 184 | Aircomm S.r.L. | it.aircomm | 7 168 | 0.016 % | LIR Info |
| 250 | Aircom Service srl | it.aircomservice | 4 096 | 0.009 % | LIR Info |
| 390 | Airgrid S.R.L. | it.airgridnet | 2 048 | 0.005 % | LIR Info |
| 541 | AIRLAN S.R.L. | it.airlaninternet | 1 024 | 0.002 % | LIR Info |
| 541 | AirLink Srls | it.airlink | 1 024 | 0.002 % | LIR Info |
| 311 | AirMax S.r.l. | it.airmax | 3 072 | 0.007 % | LIR Info |
| 541 | AIRNET S.R.L.S. | it.airnet | 1 024 | 0.002 % | LIR Info |
| 541 | Airnetwork S.R.L | it.airnetwork | 1 024 | 0.002 % | LIR Info |
| 250 | Albedo S.r.l. | it.albedo | 4 096 | 0.009 % | LIR Info |
| 250 | ALCONN SRL | it.alconn | 4 096 | 0.009 % | LIR Info |
| 250 | Alena Net SRL | it.emax | 4 096 | 0.009 % | LIR Info |
| 311 | Alessandro Coratelli trading as CODEMA | it.fibratel | 3 072 | 0.007 % | LIR Info |
| 541 | Alessio Sassone trading as Computer System | it.alessio | 1 024 | 0.002 % | LIR Info |
| 541 | Alfa.Bit.Omega S.R.L. | it.alfacom | 1 024 | 0.002 % | LIR Info |
| 952 | Alfadata s.r.l. | it.alfadata | 256 | 0.001 % | LIR Info |
| 149 | Alfanews S.r.l. | it.alfanews | 8 192 | 0.019 % | LIR Info |
| 905 | Alfa Service s.r.l. | it.alfaservice | 768 | 0.002 % | LIR Info |
| 208 | ALIDA SRL | it.alida-tlc | 5 120 | 0.012 % | LIR Info |
| 512 | ALL42 s.r.l. | it.all42 | 1 536 | 0.003 % | LIR Info |
| 192 | Allitude S.p.A. | it.fccrt | 6 144 | 0.014 % | LIR Info |
| 390 | Almaviva S.p.A. | it.almaviva | 2 048 | 0.005 % | LIR Info |
| 952 | A. Loacker S.P.A | it.aloacker | 256 | 0.001 % | LIR Info |
| 381 | ALONET S.R.L. | it.alonet | 2 304 | 0.005 % | LIR Info |
| 523 | ALPERIA SPA | it.alperiaspa | 1 280 | 0.003 % | LIR Info |
| 541 | Altea 365 S.r.l. | it.lakeweb | 1 024 | 0.002 % | LIR Info |
| 952 | Althea Italia s.p.a. | it.altheaitalia | 256 | 0.001 % | LIR Info |
| 541 | A.M.1 S.r.l. | it.am1 | 1 024 | 0.002 % | LIR Info |
| 541 | Amap SPA | it.amapspa | 1 024 | 0.002 % | LIR Info |
| 126 | Ambrogio s.r.l. | it.ambrogio | 9 216 | 0.021 % | LIR Info |
| 541 | AMILON SRL | it.amilon | 1 024 | 0.002 % | LIR Info |
| 208 | Ampersand Srl | it.ampersand | 5 120 | 0.012 % | LIR Info |
| 149 | Amt Services srl | it.originenet | 8 192 | 0.019 % | LIR Info |
| 541 | ANDREA SELVAGGINI trading as OLISYS S.A.S. DI SELVAGGINI ANDREA E C. | it.olisys | 1 024 | 0.002 % | LIR Info |
| 541 | Angelastri Giuseppe trading as TechDigital | it.techdigitalwisp | 1 024 | 0.002 % | LIR Info |
| 541 | ANIMA SGR S.P.A. | it.anima-sgr | 1 024 | 0.002 % | LIR Info |
| 952 | Ansaldo Energia S.p.A. | it.ansaldo-en | 256 | 0.001 % | LIR Info |
| 541 | ANTEA S.R.L. | it.toscocom | 1 024 | 0.002 % | LIR Info |
| 952 | ANTEKLAB S.R.L. | it.antek | 256 | 0.001 % | LIR Info |
| 541 | Antelma Srl | it.antelma | 1 024 | 0.002 % | LIR Info |
| 952 | AntennaGo SRL | it.antennago | 256 | 0.001 % | LIR Info |
| 952 | Antonino Ciurleo | it.ninux | 256 | 0.001 % | LIR Info |
| 952 | Antonio Buonocore trading as Mediacore di Buonocore Antonio | it.fibrakom | 256 | 0.001 % | LIR Info |
| 541 | Antonio Liguori trading as ETS SISTEMI - ITALIA CONNESSIONI DI LIGUORI ANTONIO | it.masterwifi | 1 024 | 0.002 % | LIR Info |
| 311 | Applico Digital Lab S.r.l. | it.applico | 3 072 | 0.007 % | LIR Info |
| 952 | A.P.S PROGETTO WIRECO | it.aps-wireco | 256 | 0.001 % | LIR Info |
| 541 | APV INVESTIMENTI S.P.A. | it.nethun | 1 024 | 0.002 % | LIR Info |
| 541 | AQUILEIA CAPITAL SERVICES SRL | it.hetaassetresolution | 1 024 | 0.002 % | LIR Info |
| 541 | Aquilo s.r.l. | it.aquilo | 1 024 | 0.002 % | LIR Info |
| 390 | ARCA FONDI S.P.A. Societa di Gestione del Risparmio | it.arcafondi | 2 048 | 0.005 % | LIR Info |
| 250 | Archimedia SRL | it.archimedia | 4 096 | 0.009 % | LIR Info |
| 250 | Arcolink Telecomunicazioni S.r.l. | it.arcolinktlcsrl | 4 096 | 0.009 % | LIR Info |
| 541 | A.R.C. Rete 101 S.r.l. | it.alpaky | 1 024 | 0.002 % | LIR Info |
| 541 | Argosid Network S.R.L | it.argosid-blink | 1 024 | 0.002 % | LIR Info |
| 541 | Argosid Network S.R.L | it.argosidnetwork | 1 024 | 0.002 % | LIR Info |
| 918 | ARGOTEC S.R.L. | it.argotec | 512 | 0.001 % | LIR Info |
| 541 | ARIANNA 2001 S.P.A. | it.sir2001srl | 1 024 | 0.002 % | LIR Info |
| 952 | ARIA S.p.A. | it.ariaspa1 | 256 | 0.001 % | LIR Info |
| 149 | ARIA S.p.A. | it.lispa | 8 192 | 0.019 % | LIR Info |
| 311 | Ari@net SRL | it.arianet | 3 072 | 0.007 % | LIR Info |
| 541 | ARMA DEI CARABINIERI | it.armacarabinieri | 1 024 | 0.002 % | LIR Info |
| 541 | Arpitel s.r.l. | it.arpitel | 1 024 | 0.002 % | LIR Info |
| 13 | Aruba S.p.A. | it.technorail | 379 392 | 0.860 % | LIR Info |
| 541 | Arya S.r.l. | it.aryasrl1 | 1 024 | 0.002 % | LIR Info |
| 541 | ARYEL S.R.L. | it.aryel | 1 024 | 0.002 % | LIR Info |
| 36 | ASDASD srl a socio unico | it.asdasd-mnt | 70 656 | 0.160 % | LIR Info |
| 541 | ASL Roma 2 | it.aslroma | 1 024 | 0.002 % | LIR Info |
| 541 | ASM Terni SpA | it.asmternispa | 1 024 | 0.002 % | LIR Info |
| 541 | ASM VIGEVANO E LOMELLINA SPA | it.asmvigevano | 1 024 | 0.002 % | LIR Info |
| 541 | ASSOCIAZIONE DI PROMOZIONE SOCIALE SENZA FILI SENZA CONFINI | it.sfsc | 1 024 | 0.002 % | LIR Info |
| 952 | Associazione Italiana Internet Provider | it.aiip | 256 | 0.001 % | LIR Info |
| 250 | Associazione Vedica | it.radiokrishna | 4 096 | 0.009 % | LIR Info |
| 541 | ASTRA ELETTRONICA S.R.L. | it.astraelettronicasrl | 1 024 | 0.002 % | LIR Info |
| 390 | ATCALL SRL | it.atcall | 2 048 | 0.005 % | LIR Info |
| 523 | Atik Srl | it.mydc | 1 280 | 0.003 % | LIR Info |
| 952 | Atlante Informatica S.R.L. | it.atlante | 256 | 0.001 % | LIR Info |
| 390 | Atomo Networks SRL | it.atomo | 2 048 | 0.005 % | LIR Info |
| 918 | Attilio Giusti Leombruni SPA | it.agl | 512 | 0.001 % | LIR Info |
| 952 | Aureanet Srl | it.aureanet | 256 | 0.001 % | LIR Info |
| 952 | Auriga SpA | it.aurigaspa | 256 | 0.001 % | LIR Info |
| 541 | AUXILIUM S.R.L. | it.auxilium | 1 024 | 0.002 % | LIR Info |
| 381 | AVELIA SRL | it.avelia | 2 304 | 0.005 % | LIR Info |
| 541 | AX3 Holding S.r.l. | it.ax3 | 1 024 | 0.002 % | LIR Info |
| 43 | Axera SpA | it.interplanet | 48 384 | 0.110 % | LIR Info |
| 250 | Axitea S.p.A. | it.axitea | 4 096 | 0.009 % | LIR Info |
| 390 | Azienda Ospedaliero-Universitaria Citta della salute e della scienza di Torino | it.molinette | 2 048 | 0.005 % | LIR Info |
| 952 | Azienda Ospedaliero Universitaria di Sassari | it.aousassari | 256 | 0.001 % | LIR Info |
| 541 | Azienda Ospedaliero-Universitaria Maggiore della Carita' di Novara | it.osp-maggiore-novara | 1 024 | 0.002 % | LIR Info |
| 78 | Azienda Pubbliservizi Brunico | it.brunetz | 19 456 | 0.044 % | LIR Info |
| 208 | Aziende Italia S.r.l. | it.aziendeitalia | 5 120 | 0.012 % | LIR Info |
| 541 | Azimut Holding S.P.A. | it.azimut | 1 024 | 0.002 % | LIR Info |
| 952 | B2B SERVICE SRL | it.b2bservice | 256 | 0.001 % | LIR Info |
| 952 | B4 s.r.l. | it.b4 | 256 | 0.001 % | LIR Info |
| 541 | Baleno S.r.l. | it.baleno | 1 024 | 0.002 % | LIR Info |
| 192 | BALICATRADE SOCIETA' A RESPONSABILITA' LIMITATA SEMPLIFICATA | it.balicatrade | 6 144 | 0.014 % | LIR Info |
| 541 | Balocco s.p.a. Industria Dolciaria | it.balocco | 1 024 | 0.002 % | LIR Info |
| 390 | BANCA D'ITALIA | it.bancaditalia | 2 048 | 0.005 % | LIR Info |
| 149 | Banca Mediolanum S.p.A. | it.mediolanum | 8 192 | 0.019 % | LIR Info |
| 390 | Banca Monte Dei Paschi Di Siena S.P.A. | it.banca121 | 2 048 | 0.005 % | LIR Info |
| 149 | Banca Sella Holding S.p.A. | it.bancasella | 8 192 | 0.019 % | LIR Info |
| 149 | Banco BPM S.P.A | it.aeb | 8 192 | 0.019 % | LIR Info |
| 390 | Banco BPM S.P.A | it.bpm | 2 048 | 0.005 % | LIR Info |
| 541 | BANGO ITALY S.R.L. | it.docomodigital | 1 024 | 0.002 % | LIR Info |
| 541 | BARBIERI PASQUALE & C. trading as GROUPMEDIA SAS | it.groupmedia | 1 024 | 0.002 % | LIR Info |
| 390 | BASE DIGITALE PLATFORM S.P.A. | it.ifmgroup | 2 048 | 0.005 % | LIR Info |
| 541 | BASE DIGITALE PLATFORM S.P.A. | it.revositalia | 1 024 | 0.002 % | LIR Info |
| 311 | BBANDA S.R.L. | it.bbanda-net | 3 072 | 0.007 % | LIR Info |
| 32 | B.B.Bell SPA | it.bbbell | 76 032 | 0.172 % | LIR Info |
| 192 | BCC SISTEMI INFORMATICI S.P.A. | it.fedlo | 6 144 | 0.014 % | LIR Info |
| 905 | BE BYTE SRL | it.bebyte | 768 | 0.002 % | LIR Info |
| 390 | BEEWEE S.R.L.S. | it.beewee | 2 048 | 0.005 % | LIR Info |
| 390 | Benesolutions S.R.L.S | it.benesolutions | 2 048 | 0.005 % | LIR Info |
| 250 | Benetton Group S.R.L. | it.bentec | 4 096 | 0.009 % | LIR Info |
| 952 | BENIGNO ALESSANDRO | it.bhost | 256 | 0.001 % | LIR Info |
| 541 | Biesse S.p.A | it.biesse | 1 024 | 0.002 % | LIR Info |
| 311 | Bit Service srl | it.bitservice | 3 072 | 0.007 % | LIR Info |
| 541 | B.L.S. Consulting S.r.l. | it.blsconsulting | 1 024 | 0.002 % | LIR Info |
| 311 | Bluenergy Group Spa | it.bluenergy | 3 072 | 0.007 % | LIR Info |
| 381 | BLUNOVA S.R.L. | it.novaquadri | 2 304 | 0.005 % | LIR Info |
| 541 | Blunova Trapani S.R.L. | it.blunovatrapani | 1 024 | 0.002 % | LIR Info |
| 541 | BLUSKY soc. coop. | it.blusky | 1 024 | 0.002 % | LIR Info |
| 541 | BonPrix S.r.l. | it.bonprixsrl | 1 024 | 0.002 % | LIR Info |
| 523 | Bootstrap srl | it.boot-srl | 1 280 | 0.003 % | LIR Info |
| 541 | BOTANY SRL | it.botany | 1 024 | 0.002 % | LIR Info |
| 250 | BPER Banca SPA | it.bper | 4 096 | 0.009 % | LIR Info |
| 952 | Bracco Imaging S.p.A. | it.braccoimaging | 256 | 0.001 % | LIR Info |
| 126 | Brainbox S.r.l. | it.apuacom | 9 216 | 0.021 % | LIR Info |
| 541 | Brescia Mobilita SpA | it.bsmobilita | 1 024 | 0.002 % | LIR Info |
| 918 | BRUNELLO CUCINELLI SPA | it.brunello | 512 | 0.001 % | LIR Info |
| 8 | BT Italia S.p.A. | it.albacom | 788 480 | 1.788 % | LIR Info |
| 19 | BT Italia S.p.A. | it.inet | 155 648 | 0.353 % | LIR Info |
| 189 | Burgo Group S.p.A | it.burgo | 6 912 | 0.016 % | LIR Info |
| 952 | Business Research S.r.l. | it.busnet | 256 | 0.001 % | LIR Info |
| 952 | BYCLOUD S.R.L. Unipersonale | it.bycloud | 256 | 0.001 % | LIR Info |
| 126 | BZSOLUTIONS SRL | it.bzsolutions | 9 216 | 0.021 % | LIR Info |
| 390 | CABEL INDUSTRY SPA | it.cabel | 2 048 | 0.005 % | LIR Info |
| 208 | CADF S.p.A | it.deltaweb | 5 120 | 0.012 % | LIR Info |
| 250 | Camera dei deputati | it.camera | 4 096 | 0.009 % | LIR Info |
| 541 | CAME S.P.A. | it.camespa | 1 024 | 0.002 % | LIR Info |
| 541 | CAMPANIACOM SPA | it.campaniacom | 1 024 | 0.002 % | LIR Info |
| 390 | CASA ATC SERVIZI SRL | it.casaatcservizi | 2 048 | 0.005 % | LIR Info |
| 541 | Cassa Depositi e Prestiti, S.P.A. | it.cdp | 1 024 | 0.002 % | LIR Info |
| 523 | CBMA SRL | it.cbmasrl | 1 280 | 0.003 % | LIR Info |
| 541 | C. Company S.r.l. | it.ccompany | 1 024 | 0.002 % | LIR Info |
| 952 | CDA SYSTEM S.R.L. | it.cdanet | 256 | 0.001 % | LIR Info |
| 55 | CDLAN SpA | it.ispcdlan | 29 184 | 0.066 % | LIR Info |
| 208 | CEDACRI S.P.A. | it.cedacriovest | 5 120 | 0.012 % | LIR Info |
| 311 | Cegeka S.P.A. | it.hscbt | 3 072 | 0.007 % | LIR Info |
| 541 | Centro Agroalimentare Roma C.A.R. S.c.p.A. | it.cargest | 1 024 | 0.002 % | LIR Info |
| 311 | Centro di Produzione Spa | it.radrad | 3 072 | 0.007 % | LIR Info |
| 952 | CERTEGO S.R.L. | it.certego | 256 | 0.001 % | LIR Info |
| 149 | CERVED GROUP S.p.A. | it.pitagora | 8 192 | 0.019 % | LIR Info |
| 62 | CESENA NET S.R.L. | it.cesenanet | 25 856 | 0.059 % | LIR Info |
| 541 | CHIESI Farmaceutici SpA | it.chiesi | 1 024 | 0.002 % | LIR Info |
| 523 | Cicorella srl | it.cicorella | 1 280 | 0.003 % | LIR Info |
| 541 | CIELO SRL | it.cielo | 1 024 | 0.002 % | LIR Info |
| 149 | CINECA CONSORZIO INTERUNIVERSITARIO | it.cineca | 8 192 | 0.019 % | LIR Info |
| 918 | Cinzia Tocci trading as Lumanex Srl | it.c1vdi | 512 | 0.001 % | LIR Info |
| 541 | CIRILLO MATTEO trading as ITALIA NET-COM | it.italianetcom | 1 024 | 0.002 % | LIR Info |
| 541 | Citta' Metropolitana di Milano | it.cmmilanonet | 1 024 | 0.002 % | LIR Info |
| 208 | CITTA' STUDI S.P.A. | it.cordar | 5 120 | 0.012 % | LIR Info |
| 78 | Clio S.R.L | it.clio | 19 456 | 0.044 % | LIR Info |
| 952 | Cloud Europe s.r.l. | it.cloudeurope | 256 | 0.001 % | LIR Info |
| 390 | Cloudfire s.r.l. | it.cloudfire | 2 048 | 0.005 % | LIR Info |
| 541 | CLOUD SEMPLICE S.R.L. | it.cloudsemplice | 1 024 | 0.002 % | LIR Info |
| 311 | Cloudvox Srl | it.cloudvox | 3 072 | 0.007 % | LIR Info |
| 390 | CLT GROUP S.R.L. | it.clt-group1 | 2 048 | 0.005 % | LIR Info |
| 952 | CNA Servizi s.c.r.l. | it.cnare | 256 | 0.001 % | LIR Info |
| 250 | CNIT Italian National Consortium for Telecommunications | it.cnit | 4 096 | 0.009 % | LIR Info |
| 541 | Coding SRL | it.codingsrl | 1 024 | 0.002 % | LIR Info |
| 250 | Cogent Communications Italia S.R.L. | it.sprintlink | 4 096 | 0.009 % | LIR Info |
| 390 | Collegio San Luigi | it.ags | 2 048 | 0.005 % | LIR Info |
| 918 | COMAC S.P.A. | it.comacspa | 512 | 0.001 % | LIR Info |
| 97 | Comeser S.r.l. | it.comeser | 13 312 | 0.030 % | LIR Info |
| 541 | Comeser S.r.l. | it.comeser1 | 1 024 | 0.002 % | LIR Info |
| 250 | Comifar Distribuzione S.p.A. | it.comifar | 4 096 | 0.009 % | LIR Info |
| 541 | COMMON NET S.r.l. | it.common-net | 1 024 | 0.002 % | LIR Info |
| 952 | Compu-net Srl | it.compu-net | 256 | 0.001 % | LIR Info |
| 250 | Computer Design Srl | it.cdesign | 4 096 | 0.009 % | LIR Info |
| 905 | COMPUTING SERVICE S.R.L. | it.computingservice | 768 | 0.002 % | LIR Info |
| 250 | Comune di Milano | it.comunemilano | 4 096 | 0.009 % | LIR Info |
| 952 | Comune di Misterbianco | it.comunemisterbianco | 256 | 0.001 % | LIR Info |
| 149 | Comune di Novara | it.comune-novara | 8 192 | 0.019 % | LIR Info |
| 541 | Comune di San Benedetto del Tronto | it.sbtap | 1 024 | 0.002 % | LIR Info |
| 952 | Comune di Sassari | it.comunesassari | 256 | 0.001 % | LIR Info |
| 208 | Comuni Riuniti XL s.r.l. | it.comuni-riuniti-xl | 5 120 | 0.012 % | LIR Info |
| 918 | CONAD NORD OVEST SOCIETA' COOPERATIVA | it.conadnordovest | 512 | 0.001 % | LIR Info |
| 952 | Conexo Technologies srl | it.conexotechnologies | 256 | 0.001 % | LIR Info |
| 952 | CONGREGAZIONE CRISTIANA DEI TESTIMONI DI GEOVA | it.jwita | 256 | 0.001 % | LIR Info |
| 311 | Connecting Project s.r.l. | it.connectingproject | 3 072 | 0.007 % | LIR Info |
| 208 | Connectivia S.r.l | it.connectivia | 5 120 | 0.012 % | LIR Info |
| 297 | CONNECTLIFE SPA | it.connectlifesrl | 3 840 | 0.009 % | LIR Info |
| 918 | Connecto s.r.l. | it.connecto | 512 | 0.001 % | LIR Info |
| 74 | Connesi s.p.a. | it.connesi | 21 248 | 0.048 % | LIR Info |
| 381 | Connetta Srl | it.connetta | 2 304 | 0.005 % | LIR Info |
| 541 | CONNEXTRA S.R.L | it.connextra | 1 024 | 0.002 % | LIR Info |
| 952 | Consiag Servizi Comuni Srl | it.consiagservizicomuni | 256 | 0.001 % | LIR Info |
| 105 | Consiglio Nazionale delle Ricerche | it.cnr | 12 288 | 0.028 % | LIR Info |
| 541 | Consiglio Nazionale delle Ricerche | it.it-nic | 1 024 | 0.002 % | LIR Info |
| 14 | Consortium GARR | it.garr | 361 472 | 0.820 % | LIR Info |
| 208 | CONSORZIO ELETTRICO DI STORO, SOCIETA COOPERATIVA | it.cedis | 5 120 | 0.012 % | LIR Info |
| 192 | Consorzio Energetico Val Venosta Soc. Coop. | it.vek | 6 144 | 0.014 % | LIR Info |
| 390 | Consorzio Terrecablate | it.terrecablate | 2 048 | 0.005 % | LIR Info |
| 86 | CONSORZIO TOPIX - TORINO E PIEMONTE EXCHANGE POINT | it.top-ix | 17 408 | 0.039 % | LIR Info |
| 541 | Consulservice SRL | it.consulservice | 1 024 | 0.002 % | LIR Info |
| 45 | Convergenze S.p.A. | it.convergenze | 40 448 | 0.092 % | LIR Info |
| 541 | COOPERATIVA SOCIALE GALILEO | it.csgalileo | 1 024 | 0.002 % | LIR Info |
| 390 | COOP ITALIA SOCIETA' COOPERATIVA | it.coopitalia | 2 048 | 0.005 % | LIR Info |
| 952 | COOPSERVICE S. COOP P.A. | it.coopservice | 256 | 0.001 % | LIR Info |
| 541 | COPAN ITALIA SPA | it.copan | 1 024 | 0.002 % | LIR Info |
| 541 | Copernico s.r.l. | it.copernico | 1 024 | 0.002 % | LIR Info |
| 311 | CoreTech s.r.l. | it.coretech | 3 072 | 0.007 % | LIR Info |
| 541 | CORPO VIGILI GIURATI - S.P.A. | it.dpdata | 1 024 | 0.002 % | LIR Info |
| 952 | Cosimo Vitale trading as WIFI MULTIMEDIA | it.wifimultimedia1 | 256 | 0.001 % | LIR Info |
| 541 | Cotral S.p.A. | it.cotral-spa | 1 024 | 0.002 % | LIR Info |
| 541 | CPL CONCORDIA Soc. Coop. | it.cplconcordia | 1 024 | 0.002 % | LIR Info |
| 541 | Credit Agricole Italia S.P.A. | it.bankadati | 1 024 | 0.002 % | LIR Info |
| 250 | Credito Emiliano S.p.A. | it.credem | 4 096 | 0.009 % | LIR Info |
| 149 | CRIF S.p.A. | it.alinet | 8 192 | 0.019 % | LIR Info |
| 97 | CriticalCase s.r.l | it.criticalcase-srl-1 | 13 312 | 0.030 % | LIR Info |
| 541 | CRONOADSL SRLs | it.cronoadsl | 1 024 | 0.002 % | LIR Info |
| 86 | CSI Piemonte | it.csipiemonte | 17 408 | 0.039 % | LIR Info |
| 76 | cwnet s.r.l. | it.cwnet | 20 480 | 0.046 % | LIR Info |
| 541 | Daily Telecom Mobile s.r.l. | it.dailytelecom | 1 024 | 0.002 % | LIR Info |
| 952 | DALMINE S.P.A. | it.dalmine | 256 | 0.001 % | LIR Info |
| 952 | DALMINE S.P.A. | it.dalmine1 | 256 | 0.001 % | LIR Info |
| 541 | Danilo Campestrin trading as CAMBO di Campestrin Ottavio & C S.A.S. | it.cambo | 1 024 | 0.002 % | LIR Info |
| 541 | Datacast Srl | it.datacast | 1 024 | 0.002 % | LIR Info |
| 541 | Data Center S.R.L. | it.datacenter | 1 024 | 0.002 % | LIR Info |
| 523 | Data Felix srl | it.datafelix | 1 280 | 0.003 % | LIR Info |
| 541 | dataroute srl | it.dataroute | 1 024 | 0.002 % | LIR Info |
| 918 | DatMit s.r.l. | it.datmit | 512 | 0.001 % | LIR Info |
| 541 | DBLC S.r.l. | it.dblc | 1 024 | 0.002 % | LIR Info |
| 541 | Dedagroup S.P.A | it.dedagroup | 1 024 | 0.002 % | LIR Info |
| 203 | Deda Tech SRL | it.dedacloud | 5 888 | 0.013 % | LIR Info |
| 952 | DEKRA Italia S.r.l. | it.dekra | 256 | 0.001 % | LIR Info |
| 250 | Deltatre S.p.A. | it.deltatre-spa | 4 096 | 0.009 % | LIR Info |
| 952 | Desotech srl | it.desotech1 | 256 | 0.001 % | LIR Info |
| 952 | DEVDATA SRL | it.devdata | 256 | 0.001 % | LIR Info |
| 512 | Devis Tognoni trading as DBS Elettronica S.N.C | it.dbselettronica | 1 536 | 0.003 % | LIR Info |
| 126 | Dev Italia srl | it.devitaliasrl | 9 216 | 0.021 % | LIR Info |
| 390 | Dieffeitalia.it S.r.l. | it.dieffeitaliait | 2 048 | 0.005 % | LIR Info |
| 311 | Diennea S.r.l. | it.diennea | 3 072 | 0.007 % | LIR Info |
| 541 | Diesel-s.P.A. | it.diesel | 1 024 | 0.002 % | LIR Info |
| 541 | Digi Italy S.R.L. | it.digi | 1 024 | 0.002 % | LIR Info |
| 390 | DIGINETICA S.R.L. | it.digibytesrl | 2 048 | 0.005 % | LIR Info |
| 541 | Diginet SRL | it.diginet | 1 024 | 0.002 % | LIR Info |
| 952 | DIGISOFT s.r.l. | it.digisoft | 256 | 0.001 % | LIR Info |
| 390 | Digital Facility srl | it.digitalfacility | 2 048 | 0.005 % | LIR Info |
| 541 | DIGITAL GLOBE S.R.L. | it.digitalglobe | 1 024 | 0.002 % | LIR Info |
| 208 | Digitalreti srl | it.synphonianet | 5 120 | 0.012 % | LIR Info |
| 149 | Digital Telecommunication Services S.r.l. | it.dts | 8 192 | 0.019 % | LIR Info |
| 541 | Digitouch Technologies srl | it.purpleocean | 1 024 | 0.002 % | LIR Info |
| 96 | Dimensione S.r.l. | it.dimensione | 14 080 | 0.032 % | LIR Info |
| 208 | Dinova Srl | it.elogicsrl | 5 120 | 0.012 % | LIR Info |
| 541 | Dipartimento della Protezione Civile | it.protezionecivile | 1 024 | 0.002 % | LIR Info |
| 381 | DODONET S.R.L. | it.dodonet | 2 304 | 0.005 % | LIR Info |
| 952 | Dokutech srl | it.dokutech | 256 | 0.001 % | LIR Info |
| 390 | DOLOMITES NETWORK S.R.L. | it.dolomitesnetwork | 2 048 | 0.005 % | LIR Info |
| 918 | Dolomitinet srl | it.dolomitinet | 512 | 0.001 % | LIR Info |
| 952 | DOMINO S.R.L. SOCIETA' BENEFIT | it.domino | 256 | 0.001 % | LIR Info |
| 541 | EASY FIBRA SRL | it.easy-fibra | 1 024 | 0.002 % | LIR Info |
| 205 | Easynet S.p.A. | it.enet | 5 376 | 0.012 % | LIR Info |
| 541 | Easy Tech Solution SRL | it.easytech | 1 024 | 0.002 % | LIR Info |
| 918 | Ebisu srl | it.ebisu | 512 | 0.001 % | LIR Info |
| 541 | Edisplay s.r.l. | it.edisplay | 1 024 | 0.002 % | LIR Info |
| 149 | Editoriale Bresciana SpA | it.editorialebresciana | 8 192 | 0.019 % | LIR Info |
| 541 | EGEA ENTE GESTIONE ENERGIA AMBIENTE SPA | it.egea | 1 024 | 0.002 % | LIR Info |
| 145 | Ehinet Srl | it.ehiweb | 8 448 | 0.019 % | LIR Info |
| 952 | Eis S.r.l. | it.eis | 256 | 0.001 % | LIR Info |
| 390 | EI TOWERS S.P.A. | it.eitowers | 2 048 | 0.005 % | LIR Info |
| 149 | Electrolux Italia SpA | it.electrolux | 8 192 | 0.019 % | LIR Info |
| 390 | Elektronica Sistemi Di Muro Mauro E Turcinovic Walter S.n.c. | it.elektronica | 2 048 | 0.005 % | LIR Info |
| 541 | Elettropiccoli 73-51 SRL | it.elettropiccoli | 1 024 | 0.002 % | LIR Info |
| 250 | ELMEC INFORMATICA S.P.A. | it.elmec | 4 096 | 0.009 % | LIR Info |
| 191 | Elsynet S.r.l. | it.elsynet | 6 400 | 0.015 % | LIR Info |
| 390 | EMAXY SRL | it.emaxy | 2 048 | 0.005 % | LIR Info |
| 311 | E-Mind Srl | it.e-mind | 3 072 | 0.007 % | LIR Info |
| 541 | Emisfera Societa' Cooperativa | it.emisfera | 1 024 | 0.002 % | LIR Info |
| 541 | EMPSOL SRL | it.empsol | 1 024 | 0.002 % | LIR Info |
| 68 | Enegan S.p.A. | it.enegan | 22 528 | 0.051 % | LIR Info |
| 390 | Enel Energia SPA | it.melita | 2 048 | 0.005 % | LIR Info |
| 541 | Energente S.r.l. | it.filomeno | 1 024 | 0.002 % | LIR Info |
| 541 | ENERGIA TERRITORIO RISORSE AMBIENTALI ETRA SPA | it.etraspa | 1 024 | 0.002 % | LIR Info |
| 390 | Energ.it S.p.a. | it.energit | 2 048 | 0.005 % | LIR Info |
| 541 | ENGIE ITALIA S.P.A. | it.engie | 1 024 | 0.002 % | LIR Info |
| 97 | Engineering D.HUB S.p.A. | it.debis | 13 312 | 0.030 % | LIR Info |
| 250 | ENGINEERING INGEGNERIA INFORMATICA SPA | it.engineering | 4 096 | 0.009 % | LIR Info |
| 149 | Enterprise Services Italia S.R.L | it.edspa | 8 192 | 0.019 % | LIR Info |
| 14 | EOLO S.p.A. | it.ngi | 361 472 | 0.820 % | LIR Info |
| 390 | Eos sistemi s.r.l. | it.eos | 2 048 | 0.005 % | LIR Info |
| 523 | Epiclink SRL | it.epiclink1 | 1 280 | 0.003 % | LIR Info |
| 541 | EPIC NETWORKS S.R.L. | it.epicnetworks | 1 024 | 0.002 % | LIR Info |
| 208 | Ergonet srl | it.ergonet | 5 120 | 0.012 % | LIR Info |
| 952 | ERG S.P.A. | it.ergspa | 256 | 0.001 % | LIR Info |
| 541 | ERMES WIFI SRL | it.ermes | 1 024 | 0.002 % | LIR Info |
| 192 | ERRE ELLE NET s.r.l. | it.erreellenet | 6 144 | 0.014 % | LIR Info |
| 311 | E.S.I. S.n.c di Teofili Elisabetta e C. | it.lanto | 3 072 | 0.007 % | LIR Info |
| 541 | Esprinet S.p.A. | it.esprinet | 1 024 | 0.002 % | LIR Info |
| 390 | Esselunga S.p.A. | it.esselunga | 2 048 | 0.005 % | LIR Info |
| 541 | ESSENDI ITALIA S.R.L. | it.accorhospitalityitalia | 1 024 | 0.002 % | LIR Info |
| 76 | ESTRACOM SPA | it.csgnet | 20 480 | 0.046 % | LIR Info |
| 541 | Estrema Srl | it.estrema | 1 024 | 0.002 % | LIR Info |
| 952 | Etere SRLS | it.fiberloop-1-mnt | 256 | 0.001 % | LIR Info |
| 541 | E.T.I. S.R.L. | it.etisrl | 1 024 | 0.002 % | LIR Info |
| 311 | Etruriacom Srl | it.etruriacom | 3 072 | 0.007 % | LIR Info |
| 208 | ETRURIA WI-FI S.R.L. | it.etruriawifi | 5 120 | 0.012 % | LIR Info |
| 541 | Eurobet Italia SRL | it.brickagent | 1 024 | 0.002 % | LIR Info |
| 918 | Eurocom Innovazione srl | it.eurocom2022 | 512 | 0.001 % | LIR Info |
| 952 | Eurocorp Technologies S.r.l. | it.eurocorp | 256 | 0.001 % | LIR Info |
| 311 | Eurologon Srl | it.eurologon | 3 072 | 0.007 % | LIR Info |
| 541 | EURO.NET SRLS | it.euronet | 1 024 | 0.002 % | LIR Info |
| 541 | Europsys S.p.A. | it.europsys | 1 024 | 0.002 % | LIR Info |
| 306 | EuroReti S.r.l. | it.euroreti-srl | 3 328 | 0.008 % | LIR Info |
| 250 | EUR S.p.A. | it.eurspa | 4 096 | 0.009 % | LIR Info |
| 952 | Evacom S.R.L.S. | it.evacom2 | 256 | 0.001 % | LIR Info |
| 541 | Evo Fiber SRL | it.evofiber | 1 024 | 0.002 % | LIR Info |
| 390 | Evolink srl | it.evolink | 2 048 | 0.005 % | LIR Info |
| 523 | Evonet Srls | it.evonet | 1 280 | 0.003 % | LIR Info |
| 512 | Ewconnect S.R.L. | it.easyweb | 1 536 | 0.003 % | LIR Info |
| 952 | EXCON SRL | it.excon | 256 | 0.001 % | LIR Info |
| 541 | Executive Service S.R.L., Societa Benefit | it.exe | 1 024 | 0.002 % | LIR Info |
| 541 | Explora Srl | it.explora | 1 024 | 0.002 % | LIR Info |
| 506 | Explorer Servizi S.R.L | it.explorer | 1 792 | 0.004 % | LIR Info |
| 541 | Exprivia Spa | it.exprivia | 1 024 | 0.002 % | LIR Info |
| 390 | Fabbricadigitale srl | it.fabbricadigitale | 2 048 | 0.005 % | LIR Info |
| 311 | Fabio Mascio | it.armada | 3 072 | 0.007 % | LIR Info |
| 390 | Farecom S.R.L. | it.farecom1 | 2 048 | 0.005 % | LIR Info |
| 302 | FASTCON srl | it.fastcon | 3 584 | 0.008 % | LIR Info |
| 311 | Fastfone s.r.l. | it.fastfone | 3 072 | 0.007 % | LIR Info |
| 541 | FastKom Srl | it.fastkom1 | 1 024 | 0.002 % | LIR Info |
| 541 | FASTLINES SRL | it.fastlines | 1 024 | 0.002 % | LIR Info |
| 541 | Fastmedia srl | it.fastmedia | 1 024 | 0.002 % | LIR Info |
| 126 | FASTNET S.R.L. | it.fastnet | 9 216 | 0.021 % | LIR Info |
| 1 | Fastweb SpA | it.fastweb | 9 127 936 | 20.700 % | LIR Info |
| 952 | FEDERICO BOVE trading as HATHOST | it.hathost | 256 | 0.001 % | LIR Info |
| 952 | Federico De Rossi as trading as TRASMINET SAS. | it.trasminet | 256 | 0.001 % | LIR Info |
| 541 | FENICE SRL | it.fenicewispnetwork | 1 024 | 0.002 % | LIR Info |
| 952 | FERCAM SPA | it.fercamgroup | 256 | 0.001 % | LIR Info |
| 541 | Ferrero Technical Services S.r.l. | it.ferrero-ts | 1 024 | 0.002 % | LIR Info |
| 41 | Fibercop S.p.A. | it.fibercop-spa | 50 176 | 0.114 % | LIR Info |
| 523 | FIBERLAND SRLS | it.fiberland | 1 280 | 0.003 % | LIR Info |
| 541 | Fiber Sicilia Srls | it.fibersicilia | 1 024 | 0.002 % | LIR Info |
| 184 | Fiber Telecom S.p.A. | it.fibertelecom | 7 168 | 0.016 % | LIR Info |
| 208 | Fiberwide S.p.a. | it.dialogic | 5 120 | 0.012 % | LIR Info |
| 110 | Fiberwide S.p.a. | it.telematic | 11 264 | 0.026 % | LIR Info |
| 952 | FIBRA SALENTO S.R.L. S.B. | it.fibra | 256 | 0.001 % | LIR Info |
| 208 | Fibraweb S.p.A | it.fibraweb | 5 120 | 0.012 % | LIR Info |
| 104 | FIDOKA srl SB | it.fidoka | 12 544 | 0.028 % | LIR Info |
| 918 | FIMAP SPA | it.fimap | 512 | 0.001 % | LIR Info |
| 541 | FINDER SpA | it.finder | 1 024 | 0.002 % | LIR Info |
| 541 | FININT TECHNOLOGY S.R.L. | it.finit | 1 024 | 0.002 % | LIR Info |
| 541 | FIREWALL DI ONORATO GIOVANNI MARIA | it.firewall | 1 024 | 0.002 % | LIR Info |
| 541 | First Point S.p.A. | it.firstpoint | 1 024 | 0.002 % | LIR Info |
| 523 | Fivelink Srl | it.fivelink | 1 280 | 0.003 % | LIR Info |
| 390 | FlameNetworks S.r.l. | it.flamenetworks | 2 048 | 0.005 % | LIR Info |
| 541 | FLASHSTART GROUP SRL | it.collinigroup | 1 024 | 0.002 % | LIR Info |
| 952 | FLONET SRLS | it.flonet | 256 | 0.001 % | LIR Info |
| 541 | FLUENTIS SRL | it.fluentis | 1 024 | 0.002 % | LIR Info |
| 541 | Flyber S.R.L. | it.flyber | 1 024 | 0.002 % | LIR Info |
| 541 | Flyfibra SRL | it.flyfibra | 1 024 | 0.002 % | LIR Info |
| 184 | FLYNET SRL | it.dbnetwork | 7 168 | 0.016 % | LIR Info |
| 541 | Fly Network Srl | it.flynetwork | 1 024 | 0.002 % | LIR Info |
| 952 | F-NETWORK SRL | it.f-network | 256 | 0.001 % | LIR Info |
| 541 | Fondazione AIRC | it.airc | 1 024 | 0.002 % | LIR Info |
| 250 | FONDAZIONE BRUNO KESSLER | it.itc | 4 096 | 0.009 % | LIR Info |
| 918 | Fondazione Policlinico Universitario Campus Bio-Medico | it.pfucbm | 512 | 0.001 % | LIR Info |
| 311 | Fontel S.p.A. | it.fontel | 3 072 | 0.007 % | LIR Info |
| 541 | FOSCHI IMPIANTI S.N.C. DI FOSCHI EURO E C. | it.foschi | 1 024 | 0.002 % | LIR Info |
| 541 | Fowhe s.r.l. | it.fowhe | 1 024 | 0.002 % | LIR Info |
| 506 | Foxtel SRL | it.foxtelsrl | 1 792 | 0.004 % | LIR Info |
| 541 | FRANCESCO BOVE | it.francescobovenet | 1 024 | 0.002 % | LIR Info |
| 952 | Francesco Fabbro trading as Microweb Sas | it.microweb | 256 | 0.001 % | LIR Info |
| 952 | FRANCESCO GAGLIANO trading as WE LINK | it.welink | 256 | 0.001 % | LIR Info |
| 541 | FreeCom S.r.l. | it.freecom | 1 024 | 0.002 % | LIR Info |
| 311 | Frosinone Wireless S.R.L. | it.frw | 3 072 | 0.007 % | LIR Info |
| 905 | FTM S.r.l. | it.ftm | 768 | 0.002 % | LIR Info |
| 952 | GAMGROUP SRL | it.gamgroup1 | 256 | 0.001 % | LIR Info |
| 311 | GATE T1 SRL | it.gate-t1 | 3 072 | 0.007 % | LIR Info |
| 918 | GBsoftware S.p.A. | it.gbsoftware | 512 | 0.001 % | LIR Info |
| 390 | GEDI News Network S.p.A. | it.lastampa | 2 048 | 0.005 % | LIR Info |
| 149 | Generali Operations Service Platform S.r.l. | it.gss | 8 192 | 0.019 % | LIR Info |
| 208 | genesys informatica srl | it.genesys | 5 120 | 0.012 % | LIR Info |
| 918 | GENIUS TLC S.R.L.S. | it.genius | 512 | 0.001 % | LIR Info |
| 541 | Geny Communications SRL | it.genycommunications | 1 024 | 0.002 % | LIR Info |
| 952 | Gianluca Della Bona trading as Radio Data Net | it.radiodatanet | 256 | 0.001 % | LIR Info |
| 192 | Gianluca Sironi | it.gs-lir | 6 144 | 0.014 % | LIR Info |
| 390 | Gi Group Holding S.p.A | it.gigroupholding | 2 048 | 0.005 % | LIR Info |
| 541 | Giovanni Di Stefano trading as Ermeslink | it.ermeslink | 1 024 | 0.002 % | LIR Info |
| 541 | Giovanni Gallo Trading as Wifi Evolution | it.wifievo | 1 024 | 0.002 % | LIR Info |
| 83 | Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." | it.pnsrvc | 18 432 | 0.042 % | LIR Info |
| 952 | Giulio Lo Presti | it.glpr | 256 | 0.001 % | LIR Info |
| 541 | GLC NETCOM S.R.L | it.glcnetcom | 1 024 | 0.002 % | LIR Info |
| 541 | Global Com Basilicata s.r.l. | it.globalcombasilicata | 1 024 | 0.002 % | LIR Info |
| 381 | Globalnet Italia S.R.L | it.globalnet | 2 304 | 0.005 % | LIR Info |
| 952 | GMT COMPONENTS SRL | it.gmtcomponents | 256 | 0.001 % | LIR Info |
| 390 | GOLDBET BETTER ORGANIZATION ITALY S.P.A. IN BREVE GBO ITALY S.P.A. | it.intralot | 2 048 | 0.005 % | LIR Info |
| 952 | Golden - Data S.R.L. | it.golden | 256 | 0.001 % | LIR Info |
| 952 | GO@NET SOCIETA' A RESPONSABILITA' LIMITATA SEMPLIFICATA | it.gonet | 256 | 0.001 % | LIR Info |
| 541 | GOOD SERVICE S.R.L | it.goodservice | 1 024 | 0.002 % | LIR Info |
| 541 | Granarolo SpA | it.granarolo | 1 024 | 0.002 % | LIR Info |
| 541 | Grandi Navi Veloci S.p.A | it.gnv | 1 024 | 0.002 % | LIR Info |
| 952 | Green Fiber S.R.L. | it.greenfiber | 256 | 0.001 % | LIR Info |
| 248 | Grifonline S.r.l. | it.grifonline | 4 352 | 0.010 % | LIR Info |
| 541 | GROUPAMA ASSICURAZIONI S.P.A. | it.groupama | 1 024 | 0.002 % | LIR Info |
| 541 | Gruppo EURIS Spa | it.gruppoeuris | 1 024 | 0.002 % | LIR Info |
| 541 | Gruppo Lercari Srl | it.csi | 1 024 | 0.002 % | LIR Info |
| 541 | G.T. SRL | it.gtdi | 1 024 | 0.002 % | LIR Info |
| 57 | GTT Communications Italy S.R.L. | it.easynet | 28 672 | 0.065 % | LIR Info |
| 541 | Halley Informatica srl | it.halley | 1 024 | 0.002 % | LIR Info |
| 60 | HAL Service SpA | it.halservice | 28 160 | 0.064 % | LIR Info |
| 149 | HelloTel Telecomunicazioni srl | it.hellotel | 8 192 | 0.019 % | LIR Info |
| 30 | HERABIT S.p.A. | it.casaweb | 77 824 | 0.176 % | LIR Info |
| 250 | HERABIT S.p.A. | it.safety | 4 096 | 0.009 % | LIR Info |
| 952 | H & F S.r.l. | it.hfsrl | 256 | 0.001 % | LIR Info |
| 390 | Hi-Net Srl | it.hi-net | 2 048 | 0.005 % | LIR Info |
| 541 | Hipertech Srl | it.hipertech | 1 024 | 0.002 % | LIR Info |
| 541 | HORIZONT COMUNICAZIONI S.R.L. | it.horizont | 1 024 | 0.002 % | LIR Info |
| 145 | Host SpA | it.coltengine | 8 448 | 0.019 % | LIR Info |
| 541 | HWG Sababa srl | it.hwg | 1 024 | 0.002 % | LIR Info |
| 311 | Hynet S.R.L. | it.hynet | 3 072 | 0.007 % | LIR Info |
| 390 | HyperGrid s.r.l. | it.hypergrid-srl | 2 048 | 0.005 % | LIR Info |
| 311 | HYTEL S.R.L. | it.hytel | 3 072 | 0.007 % | LIR Info |
| 208 | Iccom S.r.l. | it.ic-com | 5 120 | 0.012 % | LIR Info |
| 541 | IDM Suedtirol Alto Adige | it.idmsuedtirol | 1 024 | 0.002 % | LIR Info |
| 541 | IDS & UNITELM SRL | it.idsunitelm | 1 024 | 0.002 % | LIR Info |
| 121 | IFOM Fondazione | it.ifom | 10 240 | 0.023 % | LIR Info |
| 390 | Il Sole 24 Ore SpA | it.ilsole24ore | 2 048 | 0.005 % | LIR Info |
| 541 | IMAC SPA | it.imacspa | 1 024 | 0.002 % | LIR Info |
| 541 | Immobiliare.it S.p.A. | it.immobiliare | 1 024 | 0.002 % | LIR Info |
| 541 | IMPIANET SERVICES SNC di Lovece & Petrera | it.impianetservices | 1 024 | 0.002 % | LIR Info |
| 390 | Impulso Srl | it.impulso | 2 048 | 0.005 % | LIR Info |
| 541 | In Aria! Italia Srl | it.totalconn | 1 024 | 0.002 % | LIR Info |
| 48 | INCUBATEC GmbH - Srl | it.incubatec-com | 38 400 | 0.087 % | LIR Info |
| 918 | Infinita SRL | it.infinita | 512 | 0.001 % | LIR Info |
| 541 | INFOAZIENDE S.R.L. | it.infoaziende | 1 024 | 0.002 % | LIR Info |
| 250 | InfoCamere SCpA | it.infocamere | 4 096 | 0.009 % | LIR Info |
| 918 | INFONAIR S.R.L. | it.infonair | 512 | 0.001 % | LIR Info |
| 390 | INFORMATICA95 SERVIZI SRLS | it.informatica95servizi | 2 048 | 0.005 % | LIR Info |
| 149 | Informatica Alto Adige Spa | it.siag | 8 192 | 0.019 % | LIR Info |
| 390 | INFORMATICA SYSTEM S.R.L. | it.informatica-system-2 | 2 048 | 0.005 % | LIR Info |
| 952 | InfoServizi S.r.l. | it.info-servizi | 256 | 0.001 % | LIR Info |
| 952 | Infosystem Security s.r.l. | it.infosystem | 256 | 0.001 % | LIR Info |
| 126 | Infotech S.r.l | it.iperv | 9 216 | 0.021 % | LIR Info |
| 541 | Infranet S.p.A. | it.infranet | 1 024 | 0.002 % | LIR Info |
| 297 | INFRASTRUCTURE ITALIA COLO S.R.L. | it.infrastructure | 3 840 | 0.009 % | LIR Info |
| 952 | INFRONT ITALY S.P.A. | it.infront | 256 | 0.001 % | LIR Info |
| 512 | INITCORE S.R.L. | it.initcore | 1 536 | 0.003 % | LIR Info |
| 512 | INIX Group Italia S.r.l. | it.inix | 1 536 | 0.003 % | LIR Info |
| 541 | INNET SRL | it.innet | 1 024 | 0.002 % | LIR Info |
| 541 | Innova S.p.A. | it.innova | 1 024 | 0.002 % | LIR Info |
| 523 | INNOVIA, SICUREZZA, INFORMATICA E TELECOMUNICAZIONI SRL | it.innovia1 | 1 280 | 0.003 % | LIR Info |
| 90 | Inrete s.r.l | it.inrete | 16 384 | 0.037 % | LIR Info |
| 311 | Insiel- Informatica per il sistema degli enti locali S.p.A | it.mercurio-fvg | 3 072 | 0.007 % | LIR Info |
| 905 | Integrys.it s.r.l. | it.integrysit | 768 | 0.002 % | LIR Info |
| 541 | Intellitronika srl | it.kukua | 1 024 | 0.002 % | LIR Info |
| 376 | Intendo S.r.l. | it.intendo | 2 816 | 0.006 % | LIR Info |
| 110 | Intercom s.r.l. | it.intercom | 11 264 | 0.026 % | LIR Info |
| 311 | Interfibra S.R.L. | it.interfibra | 3 072 | 0.007 % | LIR Info |
| 311 | INTERMATICA SPA | it.intermaticaspa | 3 072 | 0.007 % | LIR Info |
| 541 | International Training Centre of the ILO | it.itc-ilo | 1 024 | 0.002 % | LIR Info |
| 126 | Internet one SRL | it.internetone | 9 216 | 0.021 % | LIR Info |
| 26 | Intesa Sanpaolo S.p.A. | it.intesasanpaolo | 95 232 | 0.216 % | LIR Info |
| 952 | INTESI GROUP S.P.A. | it.intesigroup | 256 | 0.001 % | LIR Info |
| 541 | Intesys Networking Srl | it.inetwk | 1 024 | 0.002 % | LIR Info |
| 39 | INTRED S.p.A. | it.intred | 62 976 | 0.143 % | LIR Info |
| 149 | IN.VA. S.p.A. | it.inva | 8 192 | 0.019 % | LIR Info |
| 311 | Inweb Adriatico S.r.l. | it.inwebadriatico | 3 072 | 0.007 % | LIR Info |
| 149 | Ipkom Srl | it.ipkom | 8 192 | 0.019 % | LIR Info |
| 64 | ip telecom srl | it.iptelecom | 24 576 | 0.056 % | LIR Info |
| 918 | IPWAY SRL | it.ipway | 512 | 0.001 % | LIR Info |
| 37 | IREN ENERGIA S.P.A | it.aemnet | 66 560 | 0.151 % | LIR Info |
| 63 | Irpinia Net-Com SRL | it.irpinianetcom | 25 600 | 0.058 % | LIR Info |
| 541 | ISCHIA TELECOMUNICAZIONI S.R.L. | it.itelcoischia | 1 024 | 0.002 % | LIR Info |
| 541 | ISI BET PRO SRL | it.isibetpro1 | 1 024 | 0.002 % | LIR Info |
| 51 | ISI Line srl | it.isiline | 34 816 | 0.079 % | LIR Info |
| 918 | ISS S.R.L.S. | it.iss | 512 | 0.001 % | LIR Info |
| 208 | ISTITUTO EUROPEO DI ONCOLOGIA SRL | it.ieo | 5 120 | 0.012 % | LIR Info |
| 541 | Istituto Nazionale di Geofisica e Vulcanologia | it.ingv | 1 024 | 0.002 % | LIR Info |
| 541 | Istituto Poligrafico E Zecca Dello Stato - Societa' Per Azioni In Breve "IPZS S.P.A" | it.ipzs | 1 024 | 0.002 % | LIR Info |
| 541 | ITALGAS RETI SPA | it.2iretegas | 1 024 | 0.002 % | LIR Info |
| 541 | Italiana Petroli SpA | it.gruppoapi | 1 024 | 0.002 % | LIR Info |
| 57 | Italiaonline S.p.A. | it.matrix | 28 672 | 0.065 % | LIR Info |
| 208 | ITALIA TRASPORTO AEREO S.P.A. | it.ita-airways | 5 120 | 0.012 % | LIR Info |
| 390 | Italo Morellati trading as NETREALITY di Morellati Italo | it.netreality | 2 048 | 0.005 % | LIR Info |
| 541 | ITALY ADSL SRL | it.italyadslwisp | 1 024 | 0.002 % | LIR Info |
| 390 | ITAS MUTUA | it.itas | 2 048 | 0.005 % | LIR Info |
| 541 | itesys srl | it.itesyssrl | 1 024 | 0.002 % | LIR Info |
| 50 | IT.Gate S.p.A. | it.itgate | 35 840 | 0.081 % | LIR Info |
| 311 | It's SRL | it.its | 3 072 | 0.007 % | LIR Info |
| 952 | Ivan Bau trading as Terasweb | it.terasweb | 256 | 0.001 % | LIR Info |
| 541 | Ivan Botta | it.ivanbotta | 1 024 | 0.002 % | LIR Info |
| 541 | Ivan Milivinti trading as Teckman | it.teckman | 1 024 | 0.002 % | LIR Info |
| 541 | Jakala S.P.A. S.B. | it.serijakala | 1 024 | 0.002 % | LIR Info |
| 181 | JCOM Telecomunicazioni s.c.a r.l. | it.jcomwifi | 7 424 | 0.017 % | LIR Info |
| 541 | JUMYK SRL | it.jumyk | 1 024 | 0.002 % | LIR Info |
| 952 | Kaleyra S.p.A. | it.kaleyra | 256 | 0.001 % | LIR Info |
| 541 | Keliweb S.R.L | it.keliweb | 1 024 | 0.002 % | LIR Info |
| 541 | Keliweb S.R.L | it.keliweb-dc2 | 1 024 | 0.002 % | LIR Info |
| 306 | Kering Eyewear S.p.A. | it.keringeyewear | 3 328 | 0.008 % | LIR Info |
| 541 | Ketchup Adv S.p.A. | it.ketchup | 1 024 | 0.002 % | LIR Info |
| 541 | Ketchup Adv S.p.A. | it.ketchupadv | 1 024 | 0.002 % | LIR Info |
| 208 | Kirill Vechera | it.kirill | 5 120 | 0.012 % | LIR Info |
| 541 | Kla Service Srl | it.klaservice | 1 024 | 0.002 % | LIR Info |
| 952 | KLINGER Italy srl | it.klinger | 256 | 0.001 % | LIR Info |
| 541 | KME srl | it.kmesrl | 1 024 | 0.002 % | LIR Info |
| 541 | Konstantin Kirsanov | it.fastservers | 1 024 | 0.002 % | LIR Info |
| 57 | KONVERTO SPA | it.run-ag | 28 672 | 0.065 % | LIR Info |
| 541 | KTECHNOLOGY SRL | it.ktechnology | 1 024 | 0.002 % | LIR Info |
| 541 | KT Solutions S.r.l.s | it.kts | 1 024 | 0.002 % | LIR Info |
| 390 | LAN SERVICE s.r.l. | it.lanservice | 2 048 | 0.005 % | LIR Info |
| 952 | La Sportiva S.p.A. | it.lasportiva | 256 | 0.001 % | LIR Info |
| 208 | LA Wireless Srl | it.lawireless | 5 120 | 0.012 % | LIR Info |
| 952 | LAZIOcrea S.P.A. | it.laziocrea | 256 | 0.001 % | LIR Info |
| 541 | Lcom s.r.l.s. | it.lcom | 1 024 | 0.002 % | LIR Info |
| 512 | LCR System SRL | it.lcr | 1 536 | 0.003 % | LIR Info |
| 541 | L'Eco della Stampa S.p.A. | it.ecostampa | 1 024 | 0.002 % | LIR Info |
| 541 | Leitner S.P.A. | it.leitner | 1 024 | 0.002 % | LIR Info |
| 302 | Lenfiber S.r.l. | it.nicebluetlc | 3 584 | 0.008 % | LIR Info |
| 311 | Leonardo S.p.A. | it.msc | 3 072 | 0.007 % | LIR Info |
| 952 | LEO TELECOMUNICAZIONI SRL | it.leotelecomunicazioni | 256 | 0.001 % | LIR Info |
| 46 | Lepida S.c.p.A. | it.emr | 39 424 | 0.089 % | LIR Info |
| 208 | Level7 s.r.l. | it.level7 | 5 120 | 0.012 % | LIR Info |
| 541 | LEVIAHUB S.P.A. | it.leviahub | 1 024 | 0.002 % | LIR Info |
| 390 | Libera Universita di Bolzano | it.unibz | 2 048 | 0.005 % | LIR Info |
| 390 | Libracyber S.P.A. | it.libraesva1 | 2 048 | 0.005 % | LIR Info |
| 952 | Libracyber S.P.A. | it.libraesva2 | 256 | 0.001 % | LIR Info |
| 250 | LIBRA S.R.L. | it.libra | 4 096 | 0.009 % | LIR Info |
| 149 | Liguria Digitale S.p.A. | it.datasiel | 8 192 | 0.019 % | LIR Info |
| 541 | Limitis s.r.l. | it.limitis | 1 024 | 0.002 % | LIR Info |
| 390 | Linguanti Claudia trading as Micro Servizi | it.microservizi | 2 048 | 0.005 % | LIR Info |
| 541 | Link Space SRL | it.linkspace | 1 024 | 0.002 % | LIR Info |
| 145 | Link Telecomunicazioni SRL | it.link-telco | 8 448 | 0.019 % | LIR Info |
| 208 | Linkwireless srl | it.linkwireless | 5 120 | 0.012 % | LIR Info |
| 541 | Lo Conte WiFi s.r.l. | it.loconte | 1 024 | 0.002 % | LIR Info |
| 952 | LODITEL S.R.L. | it.it-loditel | 256 | 0.001 % | LIR Info |
| 311 | LOGICA S.R.L. | it.logica | 3 072 | 0.007 % | LIR Info |
| 93 | Logos Technologies S.r.l. | it.logostech | 15 360 | 0.035 % | LIR Info |
| 952 | LOG S.R.L.S | it.logsrls | 256 | 0.001 % | LIR Info |
| 541 | Lorenzo Rossi | it.deepnet | 1 024 | 0.002 % | LIR Info |
| 390 | Lorusso Salvatore trading as Vitalbanet S.A.S | it.vitalbanet | 2 048 | 0.005 % | LIR Info |
| 250 | Luca Venturini | it.yepa | 4 096 | 0.009 % | LIR Info |
| 390 | Lucense SCaRL | it.lucense | 2 048 | 0.005 % | LIR Info |
| 905 | LUMIA NETWORK SRL | it.lumianetwork | 768 | 0.002 % | LIR Info |
| 192 | LUTECH S.P.A. | it.nest2spa | 6 144 | 0.014 % | LIR Info |
| 541 | Luxottica Group S.p.A. | it.luxottica | 1 024 | 0.002 % | LIR Info |
| 541 | LV3 Soc. Coop. | it.lv3 | 1 024 | 0.002 % | LIR Info |
| 541 | Lynk srl | it.lynk | 1 024 | 0.002 % | LIR Info |
| 541 | MACROTEL ITALIA SRL | it.macrotel | 1 024 | 0.002 % | LIR Info |
| 149 | Made Network Srl | it.adhoc | 8 192 | 0.019 % | LIR Info |
| 541 | MAD SRL STP | it.madsrl | 1 024 | 0.002 % | LIR Info |
| 390 | Maggioli S.p.a. | it.maggioli | 2 048 | 0.005 % | LIR Info |
| 149 | Magis Smart Srl | it.agsm | 8 192 | 0.019 % | LIR Info |
| 184 | MainStreaming SpA | it.mainstreaming | 7 168 | 0.016 % | LIR Info |
| 90 | Mandarin S.p.A. | it.mandarin | 16 384 | 0.037 % | LIR Info |
| 541 | Manutenzione ed Assistenza Computers S.r.l. | it.mac | 1 024 | 0.002 % | LIR Info |
| 541 | Marco Accardo | it.sitisnc | 1 024 | 0.002 % | LIR Info |
| 952 | Marco Cacchiani trading as Sirius SAS | it.siriusnet | 256 | 0.001 % | LIR Info |
| 86 | Marconi Solutions Srls | it.marconisolutions | 17 408 | 0.039 % | LIR Info |
| 541 | MARLETTA SAT S.R.L. | it.mairnet | 1 024 | 0.002 % | LIR Info |
| 952 | Matteo Filiberto Sciacca trading as LocLix | it.loclix | 256 | 0.001 % | LIR Info |
| 541 | Maurizio Giuseppe Fanari trading as LABEL SISTEMI TECNOLOGICI | it.label | 1 024 | 0.002 % | LIR Info |
| 541 | Maxfon Srl | it.maxfon | 1 024 | 0.002 % | LIR Info |
| 541 | MaxMara Fashion Group Srl | it.maxmarafashion | 1 024 | 0.002 % | LIR Info |
| 390 | MDS NET S.R.L. | it.mdsnet | 2 048 | 0.005 % | LIR Info |
| 541 | Mediacare Spa | it.mediacare | 1 024 | 0.002 % | LIR Info |
| 541 | Media-Live Srl | it.media-link | 1 024 | 0.002 % | LIR Info |
| 297 | MEDIANET S.R.L. | it.medianetsrl | 3 840 | 0.009 % | LIR Info |
| 541 | Mediatech s.r.l. | it.mnt | 1 024 | 0.002 % | LIR Info |
| 523 | MEDIATELCO SRL | it.allprocess | 1 280 | 0.003 % | LIR Info |
| 541 | Media Veneto SRL | it.mediaveneto | 1 024 | 0.002 % | LIR Info |
| 918 | M.E.N.S. S.R.L. | it.menssrl | 512 | 0.001 % | LIR Info |
| 390 | Messagenet S.p.A. | it.messagenet | 2 048 | 0.005 % | LIR Info |
| 541 | Meta Electronics SRL | it.metaelectronics | 1 024 | 0.002 % | LIR Info |
| 311 | METIS S.R.L. | it.metssrl | 3 072 | 0.007 % | LIR Info |
| 70 | Metrolink S.R.L. | it.metrolink | 21 504 | 0.049 % | LIR Info |
| 78 | Mewecom Italia spa | it.mewecom | 19 456 | 0.044 % | LIR Info |
| 952 | Miano Carmelo Salvatore trading as ASSO PC TECH | it.assopctech | 256 | 0.001 % | LIR Info |
| 918 | Michele Pietravalle trading as NETJOIN S.R.L. | it.netjoin | 512 | 0.001 % | LIR Info |
| 541 | Micky Del Favero trading as "BeeCloudy.net" | it.beecloudynet | 1 024 | 0.002 % | LIR Info |
| 390 | Microdata Group SRL | it.microdataservice | 2 048 | 0.005 % | LIR Info |
| 381 | MicroWiFi SRL | it.microwifi | 2 304 | 0.005 % | LIR Info |
| 120 | Micso Information Technology Srl | it.micsoit | 10 496 | 0.024 % | LIR Info |
| 541 | Ministero della Difesa | it.difesa | 1 024 | 0.002 % | LIR Info |
| 149 | Ministero dell'Interno | it.mininterno | 8 192 | 0.019 % | LIR Info |
| 306 | Mitan Telematica S.r.l. | it.mitan | 3 328 | 0.008 % | LIR Info |
| 208 | MIX S.r.L. - Milan Internet eXchange | it.mix | 5 120 | 0.012 % | LIR Info |
| 523 | MOLTIPLY GROUP S.P.A. | it.mol | 1 280 | 0.003 % | LIR Info |
| 952 | Moltiply Tech s.r.l. | it.trebigen | 256 | 0.001 % | LIR Info |
| 143 | Momax Network S.r.l. | it.momax | 8 704 | 0.020 % | LIR Info |
| 390 | MOMIT SRL | it.momit | 2 048 | 0.005 % | LIR Info |
| 541 | Montagna Digitale ValWeb | it.valweb | 1 024 | 0.002 % | LIR Info |
| 390 | MORDACCHINI SRL | it.mordacchini | 2 048 | 0.005 % | LIR Info |
| 192 | Moviement srl | it.moviement | 6 144 | 0.014 % | LIR Info |
| 390 | MOVIMATICA Srl | it.reteitaly | 2 048 | 0.005 % | LIR Info |
| 541 | Movimoda S.P.A | it.movimoda | 1 024 | 0.002 % | LIR Info |
| 205 | MPAE Srl | it.mpaesrl | 5 376 | 0.012 % | LIR Info |
| 248 | MTK S.R.L. | it.mtksrl | 4 352 | 0.010 % | LIR Info |
| 208 | Multiwire S.r.l. | it.multiwire | 5 120 | 0.012 % | LIR Info |
| 541 | MU NETWORK SRL | it.ovunque | 1 024 | 0.002 % | LIR Info |
| 506 | MVA S.r.l. | it.mvasrl | 1 792 | 0.004 % | LIR Info |
| 23 | MYNET S.R.L. | it.mnet | 108 288 | 0.246 % | LIR Info |
| 121 | MYNET TRENTINO SRL | it.mynet | 10 240 | 0.023 % | LIR Info |
| 952 | Myweb srls | it.myweb | 256 | 0.001 % | LIR Info |
| 523 | NABIRI S.R.L. | it.nabiri | 1 280 | 0.003 % | LIR Info |
| 541 | Nada Sinopoli trading as Valcom Calabria | it.valcom | 1 024 | 0.002 % | LIR Info |
| 541 | NAMEX CONSORZIO | it.namex | 1 024 | 0.002 % | LIR Info |
| 541 | Namirial spa | it.namirial | 1 024 | 0.002 % | LIR Info |
| 205 | Naquadria S.R.L. | it.naquadria | 5 376 | 0.012 % | LIR Info |
| 952 | NAVIGO srl | it.navigo | 256 | 0.001 % | LIR Info |
| 311 | Nebula Fiber s.r.l. | it.nebulafiber | 3 072 | 0.007 % | LIR Info |
| 311 | NEEN S.p.A | it.neen-it | 3 072 | 0.007 % | LIR Info |
| 541 | Nehos S.R.L. | it.starsoftware | 1 024 | 0.002 % | LIR Info |
| 952 | Nelke Srl | it.nelke | 256 | 0.001 % | LIR Info |
| 541 | NEMEXI SRL | it.nemexisrl | 1 024 | 0.002 % | LIR Info |
| 541 | Nemo S.r.l. | it.nemo | 1 024 | 0.002 % | LIR Info |
| 952 | Nencini Sport SPA | it.nencini | 256 | 0.001 % | LIR Info |
| 952 | NEOFIBER SRLS | it.neofiber1 | 256 | 0.001 % | LIR Info |
| 118 | Neomedia S.r.l. | it.neomedia | 10 752 | 0.024 % | LIR Info |
| 952 | Neoss S.r.l. | it.neoss | 256 | 0.001 % | LIR Info |
| 250 | NETALIA S.R.L. | it.netalia | 4 096 | 0.009 % | LIR Info |
| 208 | NETandWORK s.r.l. | it.netandwork | 5 120 | 0.012 % | LIR Info |
| 149 | Net Bull S.r.l. | it.nethouse | 8 192 | 0.019 % | LIR Info |
| 952 | Net & Com s.r.l. | it.netecom | 256 | 0.001 % | LIR Info |
| 311 | Neten S.p.A. | it.neten | 3 072 | 0.007 % | LIR Info |
| 181 | NETFREE S.R.L.S. | it.netfree | 7 424 | 0.017 % | LIR Info |
| 53 | Net Global Srl | it.netglobal | 33 024 | 0.075 % | LIR Info |
| 541 | Nethive SpA | it.nethive | 1 024 | 0.002 % | LIR Info |
| 311 | Netikom SRL | it.netikom | 3 072 | 0.007 % | LIR Info |
| 311 | NETisON SRL | it.netison | 3 072 | 0.007 % | LIR Info |
| 541 | Net-IT SRL | it.wiremfr | 1 024 | 0.002 % | LIR Info |
| 145 | NetoIP.com srl | it.netoip | 8 448 | 0.019 % | LIR Info |
| 390 | NETRIBE S.R.L. | it.netribe | 2 048 | 0.005 % | LIR Info |
| 541 | NET SOLUTION S.R.L. | it.mywifi | 1 024 | 0.002 % | LIR Info |
| 121 | Netsons s.r.l. | it.netsons | 10 240 | 0.023 % | LIR Info |
| 390 | Net-spring s.r.l. | it.netspring | 2 048 | 0.005 % | LIR Info |
| 311 | NETSTORMING S.R.L. | it.netstorming | 3 072 | 0.007 % | LIR Info |
| 541 | NET WIRELESS S.R.L. | it.netwireless | 1 024 | 0.002 % | LIR Info |
| 297 | NETWORK SISTEMI S.R.L. | it.networksistemi | 3 840 | 0.009 % | LIR Info |
| 952 | NEW ASSISTENT S.R.L. | it.newassistent | 256 | 0.001 % | LIR Info |
| 390 | NewCom TLC S.r.l. | it.newcom-tlc | 2 048 | 0.005 % | LIR Info |
| 541 | NEWLOGIC S.R.L. | it.newlogic | 1 024 | 0.002 % | LIR Info |
| 541 | NEWMEDIAWEB S.R.L. | it.bluwifi | 1 024 | 0.002 % | LIR Info |
| 541 | NewniX S.r.l. | it.newnix | 1 024 | 0.002 % | LIR Info |
| 390 | NEW SRL | it.newsrl | 2 048 | 0.005 % | LIR Info |
| 541 | Newtec Servizi srl | it.newtecservizi | 1 024 | 0.002 % | LIR Info |
| 190 | NEWTEC S.R.L. | it.newtecsas | 6 656 | 0.015 % | LIR Info |
| 541 | NEXIM ITALIA SRL | it.nexim | 1 024 | 0.002 % | LIR Info |
| 390 | Nexi Payments S.P.A. | it.icbpi | 2 048 | 0.005 % | LIR Info |
| 311 | Nexi Payments S.P.A. | it.sia | 3 072 | 0.007 % | LIR Info |
| 311 | Next Data S.r.l | it.goonet | 3 072 | 0.007 % | LIR Info |
| 541 | NEXT SRL | it.wirnext | 1 024 | 0.002 % | LIR Info |
| 390 | Nexusway srl | it.nexusway | 2 048 | 0.005 % | LIR Info |
| 125 | NHM - S.R.L. | it.nhm | 9 472 | 0.021 % | LIR Info |
| 390 | NIBBLE S.R.L. | it.nibble | 2 048 | 0.005 % | LIR Info |
| 302 | Nim Wave srl | it.nimwave | 3 584 | 0.008 % | LIR Info |
| 541 | Nohup srl | it.nohup | 1 024 | 0.002 % | LIR Info |
| 541 | Noinet Societa Cooperativa | it.noinet | 1 024 | 0.002 % | LIR Info |
| 541 | NOIXA S.P.A | it.noixaspa | 1 024 | 0.002 % | LIR Info |
| 311 | NOIXA s.r.l. | it.noixa | 3 072 | 0.007 % | LIR Info |
| 311 | Nordcom S.p.a. | it.nord-com | 3 072 | 0.007 % | LIR Info |
| 523 | Norma S.r.l. | it.normasrl | 1 280 | 0.003 % | LIR Info |
| 250 | NOTARTEL S.p.A. - SOCIETA' INFORMATICA DEL NOTARIATO - SOCIETA' BENEFIT | it.notartel | 4 096 | 0.009 % | LIR Info |
| 149 | Nouvelle S.r.l | it.nouvelle | 8 192 | 0.019 % | LIR Info |
| 512 | NOVACONN SRL | it.novaconn | 1 536 | 0.003 % | LIR Info |
| 311 | NOVA NETWORKS S.R.L. | it.novanetworks | 3 072 | 0.007 % | LIR Info |
| 541 | NOWIRE s.r.l. | it.nowire | 1 024 | 0.002 % | LIR Info |
| 952 | NPO TORINO SRL | it.npotorino | 256 | 0.001 % | LIR Info |
| 541 | NS3 srl | it.ns3-srl | 1 024 | 0.002 % | LIR Info |
| 952 | NST INFORMATICA SRL | it.nstinformaticasrl | 256 | 0.001 % | LIR Info |
| 541 | N&TS GROUP NETWORKS & TRANSACTIONAL SYSTEMS GROUP S.P.A. | it.ntsgroup | 1 024 | 0.002 % | LIR Info |
| 952 | NTS NETWORK SPA | it.ntsnetwork | 256 | 0.001 % | LIR Info |
| 311 | NUOVAFIBER S.R.L. | it.nuovafiber1 | 3 072 | 0.007 % | LIR Info |
| 250 | Nuovo Pignone International S.r.l | it.nuovopignone | 4 096 | 0.009 % | LIR Info |
| 541 | OBJECTWAY S.P.A | it.objectway | 1 024 | 0.002 % | LIR Info |
| 541 | OCTO TELEMATICS S.P.A. | it.octotelematics | 1 024 | 0.002 % | LIR Info |
| 52 | Officine Informatiche Srl | it.aox | 33 792 | 0.077 % | LIR Info |
| 952 | Olimontel s.r.l. | it.olimontel | 256 | 0.001 % | LIR Info |
| 952 | Olivetti Investments S.R.L. | it.olsainformatica | 256 | 0.001 % | LIR Info |
| 250 | Olivetti S.p.A. | it.pathnet | 4 096 | 0.009 % | LIR Info |
| 103 | Omegacom S.R.L.S. | it.omegacom | 12 800 | 0.029 % | LIR Info |
| 905 | One AM SRL | it.oneam | 768 | 0.002 % | LIR Info |
| 541 | Onorato Massimiliano trading as MAXIDEA SAS | it.maxidea | 1 024 | 0.002 % | LIR Info |
| 952 | OPENCONNEXIO S.R.L. | it.openconnexio | 256 | 0.001 % | LIR Info |
| 541 | OPEN Dot Com S.p.a. | it.opendotcom | 1 024 | 0.002 % | LIR Info |
| 17 | Open Fiber S.P.A. | it.openfiber | 215 040 | 0.488 % | LIR Info |
| 541 | OPEN HUB MED S.R.L. | it.openhub | 1 024 | 0.002 % | LIR Info |
| 541 | Open Software S.r.l. | it.osw | 1 024 | 0.002 % | LIR Info |
| 541 | OPEN SOLUTION S.R.L. | it.opensolution | 1 024 | 0.002 % | LIR Info |
| 952 | Opera della Primaziale Pisana | it.opae | 256 | 0.001 % | LIR Info |
| 93 | OPIQUAD S.P.A. | it.briantelsrl | 15 360 | 0.035 % | LIR Info |
| 20 | Opnet Srl | it.opnet | 151 552 | 0.344 % | LIR Info |
| 306 | OPTICONN SRL | it.opticonn | 3 328 | 0.008 % | LIR Info |
| 70 | Optima Italia S.p.A. | it.optima | 21 504 | 0.049 % | LIR Info |
| 97 | Orakom S.r.l. | it.orakom | 13 312 | 0.030 % | LIR Info |
| 541 | OSUAN S.r.l. | it.osuan | 1 024 | 0.002 % | LIR Info |
| 390 | Oval S.r.l. | it.oval | 2 048 | 0.005 % | LIR Info |
| 541 | Overweb Srl | it.overweb | 1 024 | 0.002 % | LIR Info |
| 541 | OVS Spa | it.ovsspa | 1 024 | 0.002 % | LIR Info |
| 541 | PAC 2000 A S.C. | it.conadsicilia | 1 024 | 0.002 % | LIR Info |
| 390 | Packet Loss s.r.l. | it.pkloss | 2 048 | 0.005 % | LIR Info |
| 541 | PAGINE INTERNET S.R.L. | it.pagineinternet | 1 024 | 0.002 % | LIR Info |
| 952 | PAOLO RECAGNO trading as Minerva Communications SNC | it.minerva | 256 | 0.001 % | LIR Info |
| 541 | PARVATI SRL | it.parvati | 1 024 | 0.002 % | LIR Info |
| 905 | Pasquale Troccoli | it.tsi | 768 | 0.002 % | LIR Info |
| 390 | PASUBIO TECNOLOGIA SRL | it.pasubiotecnologia | 2 048 | 0.005 % | LIR Info |
| 541 | PCS GROUP SPA | it.pcsgroup | 1 024 | 0.002 % | LIR Info |
| 541 | Pegaso Srl | it.pegaso | 1 024 | 0.002 % | LIR Info |
| 952 | Pellegrini SPA | it.pellegrini | 256 | 0.001 % | LIR Info |
| 541 | Perolini Sebastiano | it.winetwork | 1 024 | 0.002 % | LIR Info |
| 126 | Phoenix Informatica SRL | it.phoenix | 9 216 | 0.021 % | LIR Info |
| 311 | Piccolo Andrea trading as Digisat | it.digisat | 3 072 | 0.007 % | LIR Info |
| 952 | PIERGIORGIO LUCCHESI trading as NET TIRRENA SERVICE DI PIER GIORGIO LUCCHESI | it.nettirrena | 256 | 0.001 % | LIR Info |
| 918 | PIU' DSL S.R.L.S | it.piudsl1 | 512 | 0.001 % | LIR Info |
| 95 | Planetel Nordest SRL | it.trivenet | 14 336 | 0.033 % | LIR Info |
| 55 | Planetel SPA | it.planetel | 29 184 | 0.066 % | LIR Info |
| 61 | PLANET SERVICE SRL | it.ibenet | 27 648 | 0.063 % | LIR Info |
| 105 | Playnet S.R.L. | it.brt | 12 288 | 0.028 % | LIR Info |
| 952 | Polo Navacchio S.p.A. | it.polonavacchio | 256 | 0.001 % | LIR Info |
| 541 | Posdata SRL | it.posdata | 1 024 | 0.002 % | LIR Info |
| 126 | Poste Italiane S.p.A. | it.postecom | 9 216 | 0.021 % | LIR Info |
| 40 | Poste Italiane S.p.A. | it.postemobile | 58 368 | 0.132 % | LIR Info |
| 390 | Power & Telco SRL | it.fibracity | 2 048 | 0.005 % | LIR Info |
| 952 | Praxi s.p.a | it.praxi | 256 | 0.001 % | LIR Info |
| 952 | Premiere S.R.L.S. | it.premiere | 256 | 0.001 % | LIR Info |
| 918 | Presidenza del Consiglio dei Ministri - Dipartimento delle informazioni per la sicurezza | it.pcmdis | 512 | 0.001 % | LIR Info |
| 541 | Previnet S.p.A. | it.previnet | 1 024 | 0.002 % | LIR Info |
| 541 | PRE WIFI SRL | it.prewifi | 1 024 | 0.002 % | LIR Info |
| 110 | Professional Link S.r.l. | it.plink-net | 11 264 | 0.026 % | LIR Info |
| 541 | PROFEXIONAL SRL | it.profexional | 1 024 | 0.002 % | LIR Info |
| 208 | Progetto8 Srl | it.progetto8 | 5 120 | 0.012 % | LIR Info |
| 541 | PROGETTO ARCHIVIO S.R.L. | it.progarch | 1 024 | 0.002 % | LIR Info |
| 208 | PROGETTO EVO S.R.L. | it.progettosuono | 5 120 | 0.012 % | LIR Info |
| 250 | Progettofibra Srl | it.progettofibra | 4 096 | 0.009 % | LIR Info |
| 952 | PROGETTO SICUREZZA SRL | it.progetto | 256 | 0.001 % | LIR Info |
| 390 | Project Informatica srl | it.project-informatica | 2 048 | 0.005 % | LIR Info |
| 541 | Prometeia S.P.A. | it.prometeia | 1 024 | 0.002 % | LIR Info |
| 208 | Prometeo S.r.l. | it.prometeospa | 5 120 | 0.012 % | LIR Info |
| 302 | PROTEC di Rinaldo Silvano & C. Snc | it.protec | 3 584 | 0.008 % | LIR Info |
| 390 | Protezione Civile Regione Autonoma Friuli Venezia Giulia | it.protcivfvg | 2 048 | 0.005 % | LIR Info |
| 390 | Provincia di Padova | it.provinciapadova | 2 048 | 0.005 % | LIR Info |
| 311 | Provincia di Pesaro e Urbino | it.provpu | 3 072 | 0.007 % | LIR Info |
| 390 | Provincia di Terni | it.provinciaterni | 2 048 | 0.005 % | LIR Info |
| 952 | Proxima Computing srl | it.proximacomputing | 256 | 0.001 % | LIR Info |
| 541 | Prysmian S.p.A. | it.prysmiangroup | 1 024 | 0.002 % | LIR Info |
| 192 | PSA S.r.l. | it.psa | 6 144 | 0.014 % | LIR Info |
| 390 | Puntozero S.c.a.r.l. | it.umbriadigitale | 2 048 | 0.005 % | LIR Info |
| 541 | Qboxmail S.r.l. | it.qboxmail | 1 024 | 0.002 % | LIR Info |
| 918 | QUADRANTE SERVIZI S.R.L | it.quadranteservizi | 512 | 0.001 % | LIR Info |
| 952 | QWireless srls | it.qwireless | 256 | 0.001 % | LIR Info |
| 390 | Rackone Srl | it.rackone | 2 048 | 0.005 % | LIR Info |
| 952 | Radio dimensione suono S.p.a | it.rds | 256 | 0.001 % | LIR Info |
| 952 | Radio Tele Molise S.r.l. | it.radiotelemolise | 256 | 0.001 % | LIR Info |
| 90 | RAI RadioTelevisione Italiana SPA | it.rai | 16 384 | 0.037 % | LIR Info |
| 192 | RAI WAY S.P.A. | it.raiway | 6 144 | 0.014 % | LIR Info |
| 541 | RCS MediaGroup S.p.a. | it.rcs-mediagroup | 1 024 | 0.002 % | LIR Info |
| 390 | Real Comm srl | it.realcomm | 2 048 | 0.005 % | LIR Info |
| 390 | Reale Mutua di Assicurazioni | it.realemutua | 2 048 | 0.005 % | LIR Info |
| 124 | Redder Telco s.r.l. | it.redder | 9 728 | 0.022 % | LIR Info |
| 27 | REEVO S.P.A. | it.reevo | 94 464 | 0.214 % | LIR Info |
| 250 | Regione Autonoma Valle d'Aosta - Dipartimento Sistema Informativo | it.vda-regione | 4 096 | 0.009 % | LIR Info |
| 390 | Regione Basilicata | it.regbas | 2 048 | 0.005 % | LIR Info |
| 918 | Regione Campania | it.campania | 512 | 0.001 % | LIR Info |
| 149 | Regione Toscana | it.rtrt | 8 192 | 0.019 % | LIR Info |
| 149 | Regione Veneto | it.rve | 8 192 | 0.019 % | LIR Info |
| 149 | REGISTER S.P.A. | it.dada | 8 192 | 0.019 % | LIR Info |
| 149 | REGISTER S.P.A. | it.interfree | 8 192 | 0.019 % | LIR Info |
| 208 | REGISTER S.P.A. | it.register | 5 120 | 0.012 % | LIR Info |
| 208 | REGISTER S.P.A. | it.sferanet | 5 120 | 0.012 % | LIR Info |
| 311 | RESO' SRL | it.reso | 3 072 | 0.007 % | LIR Info |
| 9 | Retelit Digital Services S.p.A. | it.irideos | 745 728 | 1.691 % | LIR Info |
| 21 | Retelit Digital Services S.p.A. | it.retelitds | 143 616 | 0.326 % | LIR Info |
| 523 | ReteStar s.r.l. | it.retestarsrl | 1 280 | 0.003 % | LIR Info |
| 506 | REVOLUTION PROVIDER SRL | it.rhprovider | 1 792 | 0.004 % | LIR Info |
| 952 | RF COM S.R.L. | it.rfcom | 256 | 0.001 % | LIR Info |
| 541 | RGweb Sas di Galvani Renato | it.rgweb | 1 024 | 0.002 % | LIR Info |
| 918 | RHS s.r.l. | it.rhsdi | 512 | 0.001 % | LIR Info |
| 905 | RHX SRL | it.rhxsrl | 768 | 0.002 % | LIR Info |
| 541 | Ricca IT S.r.l. | it.ricca | 1 024 | 0.002 % | LIR Info |
| 143 | Riccardo Gori | it.r4wisp | 8 704 | 0.020 % | LIR Info |
| 541 | RMnet S.R.L. | it.rmnet | 1 024 | 0.002 % | LIR Info |
| 952 | Roberto Cancellara trading as MadonieCom | it.madoniecom | 256 | 0.001 % | LIR Info |
| 541 | Roberto Cardone trading as Megacom | it.megacom | 1 024 | 0.002 % | LIR Info |
| 952 | Roberto Dal Brun trading as Strategia Informatica | it.strategiainformatica | 256 | 0.001 % | LIR Info |
| 311 | Rocket Way S.R.L. | it.rocketway | 3 072 | 0.007 % | LIR Info |
| 952 | Romana Diesel SPA | it.romana | 256 | 0.001 % | LIR Info |
| 149 | RS Advanced Systems S.R.L. | it.rsadvnet | 8 192 | 0.019 % | LIR Info |
| 952 | R.S.T. S.R.L. | it.rst1 | 256 | 0.001 % | LIR Info |
| 918 | RTLP SRL | it.rtlp | 512 | 0.001 % | LIR Info |
| 541 | RUBELLO LINO trading as RUBELLO IMPIANTI | it.intranetwifi | 1 024 | 0.002 % | LIR Info |
| 541 | Runwhip srl | it.runwhip | 1 024 | 0.002 % | LIR Info |
| 250 | Ruzzo Reti S.p.a. | it.ruzzoreti | 4 096 | 0.009 % | LIR Info |
| 952 | S3K SECURITY OF THE THIRD MILLENNIUM SPA | it.s3k | 256 | 0.001 % | LIR Info |
| 541 | S.A.C.B.O. s.p.a | it.sacbo | 1 024 | 0.002 % | LIR Info |
| 905 | SACE SPA | it.sace | 768 | 0.002 % | LIR Info |
| 541 | SAILWEB SRL | it.sailweb | 1 024 | 0.002 % | LIR Info |
| 541 | SAILWEB SRL | it.sailweb-srl | 1 024 | 0.002 % | LIR Info |
| 541 | Salvatore Intravaia | it.sicilianet | 1 024 | 0.002 % | LIR Info |
| 541 | SAMTEL NETWORK SRL | it.samtel | 1 024 | 0.002 % | LIR Info |
| 541 | Satelicom S.r.l. | it.satelicom | 1 024 | 0.002 % | LIR Info |
| 390 | Satortech S.R.L. | it.satortech | 2 048 | 0.005 % | LIR Info |
| 149 | SEAC S.p.A. | it.seac | 8 192 | 0.019 % | LIR Info |
| 952 | SEA S.C. | it.seasc | 256 | 0.001 % | LIR Info |
| 952 | SECURSAT S.R.L. | it.secursat | 256 | 0.001 % | LIR Info |
| 34 | SED Multitel s.r.l. | it.sedmultitel | 72 448 | 0.164 % | LIR Info |
| 31 | SEEWEB s.r.l. | it.seeweb | 76 800 | 0.174 % | LIR Info |
| 110 | Seflow s.r.l. | it.seflow | 11 264 | 0.026 % | LIR Info |
| 952 | SEGMUELLER VERTRIEBS GMBH trading as Hans Segmueller Polstermoebelfabrik GmbH & Co. KG | it.hanssegmueller | 256 | 0.001 % | LIR Info |
| 952 | Serenno Cybersecurity srl | it.serenno | 256 | 0.001 % | LIR Info |
| 250 | Servereasy Srl | it.servereasy | 4 096 | 0.009 % | LIR Info |
| 65 | Server Plan S.r.l. | it.serverplan | 23 552 | 0.053 % | LIR Info |
| 952 | SETA S.R.L. | it.it-seta | 256 | 0.001 % | LIR Info |
| 541 | Sevio S.r.l. | it.sevio | 1 024 | 0.002 % | LIR Info |
| 12 | SHELLNET SOCIETA' IN ACCOMANDITA PER AZIONI DI SHELLNET GP S.R.L. | it.linkem | 463 872 | 1.052 % | LIR Info |
| 541 | Shellrent S.r.l. | it.shellrent-srl | 1 024 | 0.002 % | LIR Info |
| 541 | Shiny S.r.l. | it.shiny | 1 024 | 0.002 % | LIR Info |
| 208 | Siav S.p.A. | it.siav | 5 120 | 0.012 % | LIR Info |
| 541 | Sibiz S.R.L | it.sibiz | 1 024 | 0.002 % | LIR Info |
| 541 | Sicilcom Societa' Cooperativa | it.sicilcom | 1 024 | 0.002 % | LIR Info |
| 541 | SiciLink s.r.l.s | it.sicilink | 1 024 | 0.002 % | LIR Info |
| 390 | Sicob S.r.l. | it.sicobsrl | 2 048 | 0.005 % | LIR Info |
| 541 | Sicula System Srl | it.siculanet | 1 024 | 0.002 % | LIR Info |
| 952 | SICURSATSYSTEM SRLS | it.sicursat | 256 | 0.001 % | LIR Info |
| 541 | Sidera ICTease S.r.l. | it.siderasrl | 1 024 | 0.002 % | LIR Info |
| 541 | SI.EL.CO. SRL | it.sielco | 1 024 | 0.002 % | LIR Info |
| 541 | SIELTE S.P.A. | it.sielte | 1 024 | 0.002 % | LIR Info |
| 297 | SILTEL TELECOMUNICAZIONI SRL | it.siltel1 | 3 840 | 0.009 % | LIR Info |
| 250 | SIM INFORMATICA SRL | it.siminformatica | 4 096 | 0.009 % | LIR Info |
| 952 | SINELEC SPA | it.sinelec | 256 | 0.001 % | LIR Info |
| 250 | Sinergia Telecomunication S.R.L. | it.sinergia | 4 096 | 0.009 % | LIR Info |
| 952 | Sinergo Group srl | it.sinergo | 256 | 0.001 % | LIR Info |
| 541 | SINET SRL | it.sinet | 1 024 | 0.002 % | LIR Info |
| 905 | SIOPLUS S.R.L. | it.sioplus | 768 | 0.002 % | LIR Info |
| 208 | Siportal S.r.l. | it.siportal | 5 120 | 0.012 % | LIR Info |
| 376 | SIRIANNI INFORMATICA S.R.L. IN SIGLA SIRINFO S.R.L. | it.sirinfo | 2 816 | 0.006 % | LIR Info |
| 245 | Sirius Technology SRL | it.siriustec | 4 864 | 0.011 % | LIR Info |
| 250 | SIR s.r.l. | it.sir | 4 096 | 0.009 % | LIR Info |
| 541 | Sistel Srl | it.sistelsrl | 1 024 | 0.002 % | LIR Info |
| 952 | Sistematica Spa | it.sistematica | 256 | 0.001 % | LIR Info |
| 204 | Sistemi Hardware&Software S.P.A. | it.sistemiuno | 5 632 | 0.013 % | LIR Info |
| 541 | SISTEMI INFORMATIVI S.r.l. | it.sistinf | 1 024 | 0.002 % | LIR Info |
| 311 | SISTEMI SPA | it.sistemispa | 3 072 | 0.007 % | LIR Info |
| 390 | Si.TEK Informatica Srl | it.sitek | 2 048 | 0.005 % | LIR Info |
| 541 | SIXTEMA SPA | it.sixtema | 1 024 | 0.002 % | LIR Info |
| 541 | SKIPPER S.R.L. | it.effelle | 1 024 | 0.002 % | LIR Info |
| 10 | Sky Italia srl | it.sky | 525 312 | 1.191 % | LIR Info |
| 390 | Sky Italia srl | it.skytv | 2 048 | 0.005 % | LIR Info |
| 22 | SKYLOGIC S.P.A. | it.skylogic | 135 168 | 0.307 % | LIR Info |
| 541 | Smartline srls | it.smartline | 1 024 | 0.002 % | LIR Info |
| 541 | Smeup ICS | it.nanosoft | 1 024 | 0.002 % | LIR Info |
| 952 | SNAM S.p.A. | it.snam2 | 256 | 0.001 % | LIR Info |
| 952 | SNAM S.p.A. | it.snamspa | 256 | 0.001 % | LIR Info |
| 952 | SNAM S.p.A. | it.snamspa3 | 256 | 0.001 % | LIR Info |
| 541 | SNAP SYSTEM SRL | it.snapsystem | 1 024 | 0.002 % | LIR Info |
| 390 | Societa' Autostrade Alto Adriatico S.p.A. | it.saaa | 2 048 | 0.005 % | LIR Info |
| 952 | Societa Consortile TLC Marconi srl | it.tlcmarconi | 256 | 0.001 % | LIR Info |
| 523 | Societa Cooperativa Sociale Wan Service | it.wanservice | 1 280 | 0.003 % | LIR Info |
| 390 | Software Design srl | it.swdes | 2 048 | 0.005 % | LIR Info |
| 390 | Sogei Societa' Generale d' Informatica S.p.A. | it.consip | 2 048 | 0.005 % | LIR Info |
| 250 | Sogei Societa' Generale d' Informatica S.p.A. | it.sogei | 4 096 | 0.009 % | LIR Info |
| 208 | Sokom S.r.l. | it.sokom | 5 120 | 0.012 % | LIR Info |
| 952 | SolidData S.p.a. | it.soliddataspa | 256 | 0.001 % | LIR Info |
| 952 | SOLUNET GROUP S.P.A. | it.solunet | 256 | 0.001 % | LIR Info |
| 311 | Soluzioni Potenza Srl | it.soluzionipotenza | 3 072 | 0.007 % | LIR Info |
| 952 | SONATRACH RAFFINERIA ITALIANA S.R.L. | it.sonatrach | 256 | 0.001 % | LIR Info |
| 541 | SONICATEL S.R.L. | it.sonicatel | 1 024 | 0.002 % | LIR Info |
| 541 | Sorint Lab Spa | it.sorintlab | 1 024 | 0.002 % | LIR Info |
| 208 | Spadhausen SRL Unipersonale | it.spadhausen-srl | 5 120 | 0.012 % | LIR Info |
| 541 | Spaziotempo s.r.l. | it.spaziotempo | 1 024 | 0.002 % | LIR Info |
| 952 | Speedline s.r.l. | it.speedline | 256 | 0.001 % | LIR Info |
| 541 | Speednet srl | it.speednet | 1 024 | 0.002 % | LIR Info |
| 390 | SPEED-NET S.R.L | it.speed-net | 2 048 | 0.005 % | LIR Info |
| 390 | SPEEDNETWEB S.R.L. | it.speednetweb | 2 048 | 0.005 % | LIR Info |
| 541 | Speed Wifi Srls | it.speedwifi | 1 024 | 0.002 % | LIR Info |
| 311 | S.P.E. SISTEMI E PROGETTI ELETTRONICI S.A.S. DI PRANDINI PAOLO E C. | it.spe | 3 072 | 0.007 % | LIR Info |
| 952 | SPIKE REPLY S.R.L. | it.securityreply | 256 | 0.001 % | LIR Info |
| 381 | Spinnaker S.r.l. | it.spinnaker1 | 2 304 | 0.005 % | LIR Info |
| 952 | SPIQ SRL | it.spiq | 256 | 0.001 % | LIR Info |
| 390 | Springo Srl | it.springosrl | 2 048 | 0.005 % | LIR Info |
| 126 | Sr Net S.R.L. | it.windnet | 9 216 | 0.021 % | LIR Info |
| 85 | STEL S.R.L. | it.stel | 17 920 | 0.041 % | LIR Info |
| 250 | STIADSL S.R.L | it.stiadsl | 4 096 | 0.009 % | LIR Info |
| 541 | S.T.M. SRL | it.hstm | 1 024 | 0.002 % | LIR Info |
| 126 | S.T. S.r.l. | it.stsrlud | 9 216 | 0.021 % | LIR Info |
| 952 | Studio Armonia S.r.l. | it.studioarmonia | 256 | 0.001 % | LIR Info |
| 952 | STUDIO STORTI SRL | it.studiostorti | 256 | 0.001 % | LIR Info |
| 541 | ST WI-net Srl | it.stwinet | 1 024 | 0.002 % | LIR Info |
| 541 | Subito.it srl | it.subito | 1 024 | 0.002 % | LIR Info |
| 105 | SUEDTIROLNET G.M.B.H | it.suedtirolnet | 12 288 | 0.028 % | LIR Info |
| 541 | Sysman Progetti & Servizi srl | it.sysman | 1 024 | 0.002 % | LIR Info |
| 541 | SysOpen SRL | it.sysopen | 1 024 | 0.002 % | LIR Info |
| 541 | System S.r.l. | it.system | 1 024 | 0.002 % | LIR Info |
| 918 | Taurus Bond Srl | it.taurus1 | 512 | 0.001 % | LIR Info |
| 952 | Taurus Bond Srl | it.tbond | 256 | 0.001 % | LIR Info |
| 390 | TD Group Italia S.r.l. | it.tdgroup | 2 048 | 0.005 % | LIR Info |
| 110 | TEAMSYSTEM S.P.A. | it.teamsystem | 11 264 | 0.026 % | LIR Info |
| 541 | TEAMSYSTEM S.P.A. | it.teamsystem2 | 1 024 | 0.002 % | LIR Info |
| 952 | TechLabItalia s.r.l. | it.techlabitalia | 256 | 0.001 % | LIR Info |
| 311 | Technology Transfer Intercontinental S.R.L | it.compu | 3 072 | 0.007 % | LIR Info |
| 541 | Tecnicom Srl | it.tecnicom | 1 024 | 0.002 % | LIR Info |
| 541 | Tecno Adsl Lazio S.R.L. | it.tecnoadsllazio | 1 024 | 0.002 % | LIR Info |
| 541 | Tecnocube srl | it.tecnocube | 1 024 | 0.002 % | LIR Info |
| 378 | Tecnodata Trentina Srl | it.tecnodata | 2 560 | 0.006 % | LIR Info |
| 311 | TECNO GENERAL S.R.L | it.tecgen | 3 072 | 0.007 % | LIR Info |
| 952 | Tecnolife S.r.l. | it.tecnolife | 256 | 0.001 % | LIR Info |
| 378 | Tecnoservizi S.r.l. | it.tecnoservizi2022 | 2 560 | 0.006 % | LIR Info |
| 69 | Tecnotel Servizi Tecnologici srl | it.tecnoadsl | 22 016 | 0.050 % | LIR Info |
| 390 | TEKNE S.R.L. | it.ditech-lir | 2 048 | 0.005 % | LIR Info |
| 192 | Teknonet s.r.l. | it.teknonet | 6 144 | 0.014 % | LIR Info |
| 541 | TELDATA s.r.l. | it.teldata | 1 024 | 0.002 % | LIR Info |
| 70 | Telecom Italia S.p.A. | it.bbn | 21 504 | 0.049 % | LIR Info |
| 37 | Telecom Italia S.p.A. | it.cselt | 66 560 | 0.151 % | LIR Info |
| 7 | Telecom Italia S.p.A. | it.datacom-ti | 1 310 720 | 2.972 % | LIR Info |
| 44 | Telecom Italia S.p.A. | it.fullcompany | 48 128 | 0.109 % | LIR Info |
| 3 | Telecom Italia S.p.A. | it.interbusiness | 7 847 936 | 17.797 % | LIR Info |
| 541 | Telecom Italia S.p.A. | it.noverca-com | 1 024 | 0.002 % | LIR Info |
| 10 | Telecom Italia S.p.A. | it.tiiptv | 525 312 | 1.191 % | LIR Info |
| 6 | Telecom Italia S.p.A. | it.tim | 1 777 664 | 4.031 % | LIR Info |
| 2 | Telecom Italia S.p.A. | it.tin | 7 996 416 | 18.134 % | LIR Info |
| 4 | Telecom Italia S.p.A. | it.tiws | 3 023 872 | 6.857 % | LIR Info |
| 47 | TELECOM ITALIA SPARKLE S.p.A. | it.seabone | 38 912 | 0.088 % | LIR Info |
| 83 | TELECOM ITALIA SPARKLE S.p.A. | it.tmi | 18 432 | 0.042 % | LIR Info |
| 250 | Telecomunicazioni digitali Fastalp S.R.L. | it.fastalp | 4 096 | 0.009 % | LIR Info |
| 541 | Telecomunicazioni e Impianti Srls | it.navigaliberamente2 | 1 024 | 0.002 % | LIR Info |
| 541 | Telecontrol Vigilanza S.R.L. | it.telecontrol-spa | 1 024 | 0.002 % | LIR Info |
| 541 | Telefonica Servizi srl | it.telefonicaservizi | 1 024 | 0.002 % | LIR Info |
| 390 | TELEIMPIANTI SRL | it.teleimpiantisrl | 2 048 | 0.005 % | LIR Info |
| 541 | TELEMANAPOLI S.R.L. | it.telemanapoli | 1 024 | 0.002 % | LIR Info |
| 952 | TELENIA S.R.L. | it.teleniagroup | 256 | 0.001 % | LIR Info |
| 952 | TELE SAPIENS SRLS | it.telesapiens | 256 | 0.001 % | LIR Info |
| 110 | Telespazio S.p.A. | it.telespazio | 11 264 | 0.026 % | LIR Info |
| 541 | Televar Srl | it.televar | 1 024 | 0.002 % | LIR Info |
| 149 | Televideocom Srl | it.televideocom | 8 192 | 0.019 % | LIR Info |
| 311 | TELEX S.r.l. | it.telex | 3 072 | 0.007 % | LIR Info |
| 126 | TELMEKOM SRL | it.telmekom | 9 216 | 0.021 % | LIR Info |
| 952 | Telnet Italia SRL | it.telnet-italia | 256 | 0.001 % | LIR Info |
| 89 | TELNET S.r.l. | it.telnet | 17 152 | 0.039 % | LIR Info |
| 390 | Telnet Systems s.r.l. | it.telnetsystems | 2 048 | 0.005 % | LIR Info |
| 952 | Telsone S.r.l. | it.telsone | 256 | 0.001 % | LIR Info |
| 541 | Telweb Italia Srl | it.telwebitalia | 1 024 | 0.002 % | LIR Info |
| 541 | Telweb s.r.l. | it.telweb | 1 024 | 0.002 % | LIR Info |
| 126 | TERRALINK S.R.L. | it.nsoft | 9 216 | 0.021 % | LIR Info |
| 70 | Terrecablate Reti e Servizi S.R.L. | it.tcrs | 21 504 | 0.049 % | LIR Info |
| 541 | Territorio Energia Ambiente Mantova s.p.a. Societa Benefit | it.tea | 1 024 | 0.002 % | LIR Info |
| 126 | TESLATEL SRL | it.teslatel | 9 216 | 0.021 % | LIR Info |
| 952 | Texa S.p.A. | it.texa | 256 | 0.001 % | LIR Info |
| 541 | Tex.NET TELECOMUNICAZIONI srl | it.texnet | 1 024 | 0.002 % | LIR Info |
| 506 | Things Mobile S.r.l. | it.thingsmobile | 1 792 | 0.004 % | LIR Info |
| 390 | Threeminds S.r.l. | it.threeminds | 2 048 | 0.005 % | LIR Info |
| 49 | TIMENET SPA | it.timenet1 | 37 376 | 0.085 % | LIR Info |
| 311 | TINEXTA INFOCERT S.p.A | it.infocertspa | 3 072 | 0.007 % | LIR Info |
| 29 | Tiscali Italia S.P.A. | it.tiscali | 92 160 | 0.209 % | LIR Info |
| 541 | TKS Tele Kommunikation und Service S.R.L | it.tkstelekommunikation | 1 024 | 0.002 % | LIR Info |
| 541 | TNC S.r.l. | it.tradingnetwork | 1 024 | 0.002 % | LIR Info |
| 390 | TNET SERVIZI SRL | it.asimantova | 2 048 | 0.005 % | LIR Info |
| 952 | Tod's S.p.A. | it.todsspa | 256 | 0.001 % | LIR Info |
| 541 | Toot SRL | it.keliweb-e | 1 024 | 0.002 % | LIR Info |
| 390 | Torri Mauro trading as Wiplanet SAS | it.wiplanet | 2 048 | 0.005 % | LIR Info |
| 918 | ToscanaTLC s.r.l. | it.toscanatlc | 512 | 0.001 % | LIR Info |
| 390 | Tosnet srl | it.tosnet | 2 048 | 0.005 % | LIR Info |
| 952 | Tramatronics Srl | it.tramatronics | 256 | 0.001 % | LIR Info |
| 541 | TRASNA CELLULAR S.P.A. | it.u-blox | 1 024 | 0.002 % | LIR Info |
| 541 | TRC Toscana Radio Comunicazioni srl | it.trclink | 1 024 | 0.002 % | LIR Info |
| 390 | Trenove s.r.l. | it.trenove | 2 048 | 0.005 % | LIR Info |
| 110 | Trentino Digitale SPA | it.infotn | 11 264 | 0.026 % | LIR Info |
| 541 | Trient Consulting Group Srl | it.trientgroup | 1 024 | 0.002 % | LIR Info |
| 208 | Triskel srl | it.triskel | 5 120 | 0.012 % | LIR Info |
| 311 | T&T Tecnologie e Telecomunicazioni Srl | it.tetsrl | 3 072 | 0.007 % | LIR Info |
| 506 | Tumpi Networks Srls | it.tumpi | 1 792 | 0.004 % | LIR Info |
| 78 | UAN COMPANY S.R.L. | it.leonet | 19 456 | 0.044 % | LIR Info |
| 541 | UAN COMPANY S.R.L. | it.varitt | 1 024 | 0.002 % | LIR Info |
| 541 | Uania srl | it.avatitalia | 1 024 | 0.002 % | LIR Info |
| 126 | Umbrianet S.R.L. | it.cline | 9 216 | 0.021 % | LIR Info |
| 184 | Unica Telecomunicazioni s.r.l. | it.unicatlc | 7 168 | 0.016 % | LIR Info |
| 306 | Uniconnect Srl | it.uniconnect | 3 328 | 0.008 % | LIR Info |
| 74 | UniCredit S.p.A. | it.kyneste | 21 248 | 0.048 % | LIR Info |
| 28 | UNIDATA S.p.A. | it.ecity | 93 184 | 0.211 % | LIR Info |
| 24 | UNIDATA S.p.A. | it.twt | 100 352 | 0.228 % | LIR Info |
| 541 | Unifarm S.p.A. Unione Farmacisti Trentino - Alto Adige | it.unifarm | 1 024 | 0.002 % | LIR Info |
| 250 | Uniplan Software S.r.l. | it.uniplan | 4 096 | 0.009 % | LIR Info |
| 250 | United Nations Logistics Base | it.unlb | 4 096 | 0.009 % | LIR Info |
| 541 | UNITED NATIONS SYSTEM STAFF COLLEGE (UNSSC) | it.unssc | 1 024 | 0.002 % | LIR Info |
| 250 | United Nations World Food Programme | it.wfp | 4 096 | 0.009 % | LIR Info |
| 918 | Universita' Campus Bio-Medico di Roma | it.unicampus | 512 | 0.001 % | LIR Info |
| 541 | Universita Cattolica del Sacro Cuore | it.unicattolica | 1 024 | 0.002 % | LIR Info |
| 311 | Universita di Padova | it.vsix | 3 072 | 0.007 % | LIR Info |
| 105 | Uno Communications SpA | it.uno | 12 288 | 0.028 % | LIR Info |
| 541 | Upprovider Srl | it.uppro | 1 024 | 0.002 % | LIR Info |
| 541 | Valcanale Energia Srl | it.valcanale-net | 1 024 | 0.002 % | LIR Info |
| 541 | Value4cloud S.R.L. | it.arcipelago | 1 024 | 0.002 % | LIR Info |
| 541 | VALUE TRANSFORMATION SERVICES S.P.A. | it.v-tservices | 1 024 | 0.002 % | LIR Info |
| 381 | Vayu S.r.l | it.vayu | 2 304 | 0.005 % | LIR Info |
| 390 | VEGA - Parco Scientifico Tecnologico di Venezia S.c.a.r.l. | it.vega | 2 048 | 0.005 % | LIR Info |
| 512 | Vela.net s.n.c. | it.velanet | 1 536 | 0.003 % | LIR Info |
| 952 | Velcom Srl | it.velcom | 256 | 0.001 % | LIR Info |
| 390 | Venis S.p.A. | it.venis | 2 048 | 0.005 % | LIR Info |
| 541 | V.E.R.I.T.A.S SPA | it.veritas | 1 024 | 0.002 % | LIR Info |
| 33 | Verizon Italia SpA | it.uunet | 73 728 | 0.167 % | LIR Info |
| 952 | Veronica Santorsa | it.powerfibrakr | 256 | 0.001 % | LIR Info |
| 378 | VHosting Solution srl | it.vhosting | 2 560 | 0.006 % | LIR Info |
| 952 | Viama s.r.l. | it.viamasrl | 256 | 0.001 % | LIR Info |
| 25 | Vianova S.p.A | it.welcomeitalia | 98 304 | 0.223 % | LIR Info |
| 952 | Viasat Italy S.r.L. | it.viasat | 256 | 0.001 % | LIR Info |
| 952 | VIASAT S.P.A. | it.viasatgrp | 256 | 0.001 % | LIR Info |
| 541 | Viatek Srl | it.viatek | 1 024 | 0.002 % | LIR Info |
| 952 | Vicariato di Roma | it.vicariatodiroma | 256 | 0.001 % | LIR Info |
| 390 | Videobyte S.r.l. | it.videobyte | 2 048 | 0.005 % | LIR Info |
| 311 | VIKING SRL | it.viking | 3 072 | 0.007 % | LIR Info |
| 390 | Vipnet.it S.r.l. | it.vipnet | 2 048 | 0.005 % | LIR Info |
| 67 | virtual solution srl | it.virtual | 22 784 | 0.052 % | LIR Info |
| 541 | virtual solution srl | it.virtual1 | 1 024 | 0.002 % | LIR Info |
| 541 | Visual Software S.r.l. | it.visualsoftware | 1 024 | 0.002 % | LIR Info |
| 245 | VoipTel Italia S.r.l. | it.voiptelitalia | 4 864 | 0.011 % | LIR Info |
| 952 | VVLAB S.R.L. | it.vvlab | 256 | 0.001 % | LIR Info |
| 245 | Warian S.R.L. | it.warian | 4 864 | 0.011 % | LIR Info |
| 311 | WAVECOM SRL | it.wavecom | 3 072 | 0.007 % | LIR Info |
| 541 | WBR SRL | it.wbrsrl | 1 024 | 0.002 % | LIR Info |
| 311 | WEBBDONE SRL | it.webbdone | 3 072 | 0.007 % | LIR Info |
| 541 | Webcom TLC srl | it.we01 | 1 024 | 0.002 % | LIR Info |
| 541 | Webethical S.r.l. | it.webethical | 1 024 | 0.002 % | LIR Info |
| 541 | webfi srl | it.webfiitaly | 1 024 | 0.002 % | LIR Info |
| 250 | Weblink srl | it.weblink | 4 096 | 0.009 % | LIR Info |
| 541 | Wekloud S.r.l. | it.wekloud | 1 024 | 0.002 % | LIR Info |
| 952 | WE-NET S.r.l. | it.we-net1 | 256 | 0.001 % | LIR Info |
| 918 | WE-NET S.r.l. | it.we-net2 | 512 | 0.001 % | LIR Info |
| 390 | WeNetwork SRL | it.wenetwork | 2 048 | 0.005 % | LIR Info |
| 541 | WENNOVIA SRL | it.wennoviasrl | 1 024 | 0.002 % | LIR Info |
| 918 | WhiteReady S.r.l. Societa' Benefit | it.whiteready | 512 | 0.001 % | LIR Info |
| 78 | WicitY srl | it.wicity | 19 456 | 0.044 % | LIR Info |
| 541 | Wicomm SRLS | it.wicomm | 1 024 | 0.002 % | LIR Info |
| 541 | Wi-Fi Communication S.r.l. | it.wfcwificom | 1 024 | 0.002 % | LIR Info |
| 905 | Wifinetcom srl | it.wifinetcom | 768 | 0.002 % | LIR Info |
| 311 | Wi-Fi System di GianCarlo Forno | it.wifisystem | 3 072 | 0.007 % | LIR Info |
| 126 | WIFIWEB s.r.l. | it.wifiweb | 9 216 | 0.021 % | LIR Info |
| 523 | Wifly S.R.L. | it.wifly | 1 280 | 0.003 % | LIR Info |
| 512 | WiGate S.r.l. | it.wigate | 1 536 | 0.003 % | LIR Info |
| 390 | WI-GO Srl | it.wigosrl | 2 048 | 0.005 % | LIR Info |
| 952 | WIINET S.R.L. | it.wiinet | 256 | 0.001 % | LIR Info |
| 97 | WIIT S.p.A. | it.aonet | 13 312 | 0.030 % | LIR Info |
| 952 | Wiland Srls | it.wiland | 256 | 0.001 % | LIR Info |
| 541 | Wildcard Service Srl | it.wildcard | 1 024 | 0.002 % | LIR Info |
| 250 | Wime Srl | it.wime | 4 096 | 0.009 % | LIR Info |
| 54 | WiMore S.r.l. | it.wimore | 29 696 | 0.067 % | LIR Info |
| 208 | Windsl S.r.l. | it.windsl-srl | 5 120 | 0.012 % | LIR Info |
| 5 | WIND TRE S.P.A. | it.h3g | 2 302 976 | 5.223 % | LIR Info |
| 18 | WIND TRE S.P.A. | it.iunet | 164 864 | 0.374 % | LIR Info |
| 16 | WIND TRE S.P.A. | it.wind | 287 744 | 0.653 % | LIR Info |
| 390 | WI-NET S.R.L. | it.wi-net | 2 048 | 0.005 % | LIR Info |
| 541 | Wingsoft Srl | it.wingsoft | 1 024 | 0.002 % | LIR Info |
| 541 | Wirecom S.r.l. | it.wirecom | 1 024 | 0.002 % | LIR Info |
| 541 | Wireless Group Communications S.r.l. | it.wirelessgroup | 1 024 | 0.002 % | LIR Info |
| 541 | Wireless Group Communications S.r.l. | it.wireless-group-comm | 1 024 | 0.002 % | LIR Info |
| 918 | WIRITALY SRLS | it.wiritaly | 512 | 0.001 % | LIR Info |
| 390 | Wirlab srl | it.wirlab | 2 048 | 0.005 % | LIR Info |
| 541 | WISE DIALOG BANK SPA | it.widiba | 1 024 | 0.002 % | LIR Info |
| 390 | Wish Networks s.r.l. | it.wishnet-it | 2 048 | 0.005 % | LIR Info |
| 250 | WISPI SRL | it.itswispi | 4 096 | 0.009 % | LIR Info |
| 97 | Wispone S.R.L. | it.wispone | 13 312 | 0.030 % | LIR Info |
| 952 | WISP.ONE S.R.L. | it.wisponesrl | 256 | 0.001 % | LIR Info |
| 390 | Witel Srl | it.gruppowitel | 2 048 | 0.005 % | LIR Info |
| 311 | W Key srl | it.wkey | 3 072 | 0.007 % | LIR Info |
| 35 | Wolnet SRL | it.wolnet | 71 680 | 0.163 % | LIR Info |
| 541 | @Works Srl | it.atworks | 1 024 | 0.002 % | LIR Info |
| 311 | WpWeb S.r.l. | it.wpweb | 3 072 | 0.007 % | LIR Info |
| 541 | WT SRLS | it.wtsrl | 1 024 | 0.002 % | LIR Info |
| 541 | Xanten S.R.L. | it.xanten | 1 024 | 0.002 % | LIR Info |
| 541 | XCOM GLOBAL ITALIA SRL | it.muscope | 1 024 | 0.002 % | LIR Info |
| 65 | XSTREAM SRL | it.xstream | 23 552 | 0.053 % | LIR Info |
| 390 | YOOX NET-A-PORTER GROUP S.P.A. | it.yoox | 2 048 | 0.005 % | LIR Info |
| 541 | YottaNet Srl | it.yottanet | 1 024 | 0.002 % | LIR Info |
| 390 | ZADEA SRL | it.zadeasrl | 2 048 | 0.005 % | LIR Info |
| 512 | ZAL Network S.r.l. | it.zalnetwork | 1 536 | 0.003 % | LIR Info |
| 918 | ZINCA S.R.L. | it.zinca | 512 | 0.001 % | LIR Info |
| 541 | ZIRONDA S.R.L. | it.hostingtek | 1 024 | 0.002 % | LIR Info |
| 105 | Zucchetti Spa | it.zucchetti | 12 288 | 0.028 % | LIR Info |