Country
Italy
Autonomous systems registered in Italy, largest IPv4 address space first.
Routed networks
1,118
of 1,318 registered
IPv4 addresses
64.86M
9,338 prefixes
IPv6 prefixes
937
IT
Networks
| AS | Network | IPv4 addresses | IPv4 prefixes | IPv6 prefixes | Upstreams | Downstreams |
|---|---|---|---|---|---|---|
| AS3269 | Telecom Italia S.p.A. | 21.48M | 315 | 1 | 2 | 169 |
| AS1267 | WIND TRE S.P.A. | 10.26M | 220 | 2 | 37 | 81 |
| AS12874 | Fastweb SpA | 7.37M | 110 | 18 | 25 | 209 |
| AS30722 | Fastweb SpA | 7.10M | 284 | 3 | 7 | 26 |
| AS137 | Consortium GARR | 2.79M | 83 | 2 | 13 | 13 |
| AS16232 | Telecom Italia S.p.A. | 2.04M | 19 | 1 | 1 | 0 |
| AS24608 | WIND TRE S.P.A. | 1.45M | 16 | 0 | 1 | 0 |
| AS8968 | RETELIT-X S.R.L. | 978K | 37 | 1 | 9 | 14 |
| AS3302 | Retelit Digital Services S.p.A. | 631K | 54 | 2 | 13 | 52 |
| AS210278 | Sky Italia srl | 591K | 11 | 1 | 6 | 2 |
| AS8612 | Smeraldo S.p.A. | 541K | 20 | 1 | 10 | 7 |
| AS12663 | Fastweb SpA | 511K | 172 | 2 | 1 | 0 |
| AS35612 | EOLO S.p.A. | 394K | 23 | 1 | 10 | 4 |
| AS213677 | Fibercop S.p.A. | 362K | 31 | 3 | 2 | 0 |
| AS31034 | Aruba S.p.A. | 284K | 98 | 4 | 15 | 16 |
| AS6762 | TELECOM ITALIA SPARKLE S.p.A. | 283K | 288 | 13 | 25 | 646 |
| AS20746 | Telecom Italia S.p.A. | 251K | 372 | 6 | 2 | 11 |
| AS29286 | SKYLOGIC S.P.A. | 224K | 259 | 11 | 29 | 2 |
| AS198471 | Opnet Srl | 198K | 198 | 0 | 8 | 0 |
| AS21309 | HERABIT S.p.A. | 194K | 56 | 1 | 8 | 10 |
| AS3313 | RETELIT-X S.R.L. | 193K | 15 | 1 | 1 | 3 |
| AS210218 | Open Fiber S.P.A. | 146K | 342 | 2 | 7 | 0 |
| AS3242 | REEVO S.P.A. | 134K | 64 | 6 | 11 | 2 |
| AS8217 | ENI S.p.A. | 131K | 3 | 0 | 2 | 0 |
| AS30848 | UNIDATA S.p.A. | 124K | 66 | 1 | 6 | 3 |
| AS31638 | Lepida S.c.p.A. | 118K | 111 | 2 | 33 | 6 |
| AS31263 | MYNET S.R.L. | 103K | 40 | 5 | 10 | 15 |
| AS21056 | Vianova S.p.A | 99.33K | 43 | 1 | 33 | 4 |
| AS12797 | RETELIT-X S.R.L. | 99.07K | 6 | 0 | 1 | 0 |
| AS21176 | Engineering D.HUB S.p.A. | 92.42K | 39 | 1 | 8 | 0 |
| AS5394 | UNIDATA S.p.A. | 92.16K | 18 | 1 | 10 | 7 |
| AS31115 | INTRED S.p.A. | 87.30K | 65 | 1 | 8 | 5 |
| AS2594 | CSI Piemonte | 87.04K | 19 | 1 | 11 | 0 |
| AS5602 | Retelit Digital Services S.p.A. | 86.78K | 14 | 1 | 1 | 1 |
| AS12637 | SEEWEB s.r.l. | 86.27K | 34 | 10 | 29 | 14 |
| AS12551 | ENEL S.p.A | 75.52K | 34 | 0 | 5 | 0 |
| AS6882 | Regione Toscana | 73.73K | 2 | 0 | 3 | 0 |
| AS34606 | B.B.Bell SPA | 71.42K | 13 | 1 | 8 | 2 |
| AS28929 | ASDASD srl a socio unico | 71.42K | 7 | 1 | 14 | 0 |
| AS49524 | Wolnet SRL | 69.63K | 3 | 0 | 6 | 1 |
| AS20811 | Retelit Digital Services S.p.A. | 68.35K | 14 | 2 | 7 | 12 |
| AS24771 | Iveco SpA | 67.07K | 4 | 0 | 1 | 0 |
| AS210026 | Ministero della Difesa | 66.56K | 2 | 1 | 7 | 0 |
| AS5535 | And Agriculture Organization of the United Nations | 66.30K | 3 | 0 | 2 | 0 |
| AS5609 | Telecom Italia S.p.A. | 65.54K | 1 | 2 | 1 | 0 |
| AS20981 | InnovaPuglia SpA | 65.54K | 1 | 0 | 2 | 0 |
| AS47902 | Retelit Digital Services S.p.A. | 63.49K | 50 | 2 | 2 | 1 |
| AS41497 | INTRED S.p.A. | 57.09K | 26 | 1 | 1 | 0 |
| AS61315 | SED Multitel s.r.l. | 53.25K | 19 | 0 | 2 | 0 |
| AS12445 | A2A Smart City S.P.A | 50.94K | 14 | 0 | 6 | 3 |
| AS34758 | Axera SpA | 48.64K | 31 | 2 | 13 | 2 |
| AS202870 | Dimensione S.r.l. | 48.38K | 95 | 8 | 15 | 0 |
| AS12779 | IT.Gate S.p.A. | 47.10K | 25 | 6 | 35 | 1,193 |
| AS28716 | Retelit Digital Services S.p.A. | 45.82K | 45 | 5 | 27 | 76 |
| AS51580 | TIMENET SPA | 44.54K | 36 | 0 | 12 | 4 |
| AS44092 | HAL Service SpA | 43.78K | 38 | 5 | 11 | 7 |
| AS39120 | Convergenze S.p.A. | 43.26K | 38 | 4 | 34 | 14 |
| AS47217 | Planetel SPA | 41.98K | 66 | 3 | 6 | 1 |
| AS39636 | IREN ENERGIA S.P.A | 40.96K | 3 | 1 | 9 | 4 |
| AS44831 | Insiel- Informatica per il sistema degli enti locali S.p.A | 40.45K | 58 | 2 | 4 | 0 |
| AS48135 | Leonardo S.p.A. | 40.19K | 16 | 0 | 3 | 0 |
| AS34081 | Srl | 38.91K | 19 | 4 | 3 | 0 |
| AS13113 | ISI Line srl | 36.10K | 11 | 2 | 14 | 1 |
| AS12850 | Retelit Digital Services S.p.A. | 36.10K | 9 | 1 | 20 | 0 |
| AS202613 | Aruba S.p.A. | 34.82K | 12 | 2 | 1 | 0 |
| AS50316 | Net Global Srl | 33.28K | 130 | 1 | 30 | 2 |
| AS8660 | Italiaonline S.p.A. | 32.26K | 15 | 0 | 8 | 0 |
| AS44512 | KONVERTO SPA | 28.67K | 8 | 2 | 7 | 6 |
| AS202098 | ENEL S.p.A | 28.42K | 14 | 0 | 7 | 0 |
| AS20836 | CDLAN SpA | 26.62K | 16 | 5 | 12 | 10 |
| AS198102 | XSTREAM SRL | 26.37K | 17 | 1 | 6 | 2 |
| AS203489 | WiMore S.r.l. | 25.60K | 6 | 1 | 25 | 1 |
| AS34731 | Zerouno Informatica S.R.L. | 25.09K | 7 | 0 | 2 | 0 |
| AS29449 | ip telecom srl | 24.58K | 2 | 1 | 6 | 0 |
| AS39657 | Comeser S.r.l. | 23.81K | 15 | 0 | 6 | 0 |
| AS64445 | NetJoin Srl | 23.55K | 88 | 6 | 10 | 10 |
| AS48544 | Tecnotel Servizi Tecnologici srl | 23.55K | 57 | 0 | 4 | 0 |
| AS208808 | Enegan S.p.A. | 22.53K | 33 | 0 | 29 | 0 |
| AS8816 | Metrolink S.R.L. | 22.02K | 6 | 1 | 9 | 2 |
| AS44513 | Optima Italia S.p.A. | 21.76K | 12 | 0 | 8 | 0 |
| AS31319 | ESTRACOM SPA | 21.50K | 8 | 2 | 28 | 1 |
| AS20912 | Giuliano Claudio Peritore trading as "Panservice s.a.s. di Cuseo Fabrizio & C." | 21.25K | 14 | 1 | 10 | 15 |
| AS15605 | Connesi s.p.a. | 20.99K | 13 | 1 | 22 | 7 |
| AS15691 | UAN COMPANY S.R.L. | 20.48K | 22 | 1 | 8 | 1 |
| AS39719 | Liguria Digitale S.p.A. | 20.48K | 19 | 0 | 7 | 0 |
| AS213260 | cwnet s.r.l. | 20.48K | 5 | 1 | 8 | 1 |
| AS8234 | RAI RadioTelevisione Italiana SPA | 20.48K | 2 | 0 | 3 | 0 |
| AS197075 | Active Network S.p.A. | 20.22K | 37 | 7 | 11 | 0 |
| AS13182 | Made Network Srl | 20.22K | 15 | 1 | 7 | 0 |
| AS29050 | Terrecablate Reti e Servizi S.R.L. | 20.22K | 6 | 0 | 7 | 2 |
| AS52030 | Server Plan S.r.l. | 19.97K | 16 | 1 | 4 | 0 |
| AS57469 | Azienda Pubbliservizi Brunico | 19.97K | 16 | 0 | 3 | 0 |
| AS200043 | CESENA NET S.R.L. | 19.97K | 16 | 0 | 7 | 2 |
| AS47408 | Mandarin S.p.A. | 19.46K | 5 | 1 | 9 | 4 |
| AS31222 | Mewecom Italia spa | 19.46K | 3 | 1 | 2 | 0 |
| AS59766 | WicitY srl | 19.46K | 3 | 0 | 3 | 2 |
| AS60501 | Sirius Technology SRL | 18.94K | 16 | 2 | 8 | 10 |
| AS213224 | Aruba S.p.A. | 18.94K | 6 | 0 | 1 | 0 |
| AS8265 | FASTNET S.R.L. | 18.43K | 6 | 3 | 9 | 0 |
| AS203591 | TECNO GENERAL S.R.L | 17.92K | 15 | 0 | 6 | 1 |
Registration country comes from the regional registries' delegation files. A network registered here may announce space used anywhere.