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How Italy ranks worldwide on dormant space, the transfer market, routing security and address density.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Italy over time.
The largest autonomous systems registered to Italy by IPv4 footprint.
Italy against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
1,307 autonomous systems registered to Italy. Click an AS for detail.
| ASN-TIM Telecom Italia S.p.A. |
| 2M |
| 20 |
| AS24608IT | WINDTRE-AS WIND TRE S.P.A. | 1.5M | 16 |
| AS8968IT | BT-Italia BT Italia S.p.A. | 978.7K | 33 |
| AS12663IT | VODAFONE-GROUP Fastweb SpA | 646.1K | 172 |
| AS3302IT | AS-RETELIT-IRIDEOS Retelit Digital Services S.p.A. | 628.5K | 54 |
| 17.4K |
| — |
| 5 |
| AS198319IT | REGIONE-LOMBARDIA-AS ARIA S.p.A. | 16.6K | — | 6 |
| AS3275IT | ASN-CINECA CINECA CONSORZIO INTERUNIVERSITARIO | 16.4K | — | 1 |
| AS197636IT | BAGIS-AS UniCredit S.p.A. | 16.4K | — | 11 |
| AS5392IT | TELNET-ITALY TELNET S.r.l. | 16.4K | 65.5K | 2 |
| AS35617IT | AIR2BITE-AS air2bite s.r.l. | 16.4K | 524.3K | 16 |
| AS48500IT | IRPNET-AS Irpinia Net-Com SRL | 15.9K | — | 7 |
| AS56911IT | ASN-WARIAN Warian S.R.L. | 15.6K | 143.4K | 41 |
| AS200185IT | XANDMAIL-ASN Aruba S.p.A. | 15.6K | 65.5K | 17 |
| AS49367IT | ASSEFLOW Seflow s.r.l. | 15.1K | 65.5K | 29 |
| AS21451IT | SELLA-AS Banca Sella Holding S.p.A. | 14.8K | — | 24 |
| AS60501IT | SIRIUSTEC-IT Sirius Technology SRL | 14.8K | 589.8K | 17 |
| AS213224IT | ARUBAENTERPRISE-ASN Aruba S.p.A. | 14.8K | — | 5 |
| AS16141IT | NETHOUSE Net Bull S.r.l. | 14.6K | — | 7 |
| AS203223IT | UNICATLC-AS Unica Telecomunicazioni s.r.l. | 14.3K | — | 7 |
| AS49289IT | Media-Veneto Omegacom S.R.L.S. | 14.3K | 524.3K | 23 |
| AS13284IT | BRT-AS Playnet S.R.L. | 14.3K | — | 3 |
| AS199181IT | Orakom Orakom S.r.l. | 14.1K | 524.3K | 6 |
| AS203591IT | TecnoGeneral TECNO GENERAL S.R.L | 14.1K | — | 15 |
| AS15584IT | SIAG Informatica Alto Adige Spa | 13.6K | — | 27 |
| AS16297IT | WIIT-IT-AS WIIT S.p.A. | 13.3K | — | 3 |
| AS21034IT | MICSO-SRL-AS Micso Information Technology Srl | 13.3K | 65.5K | 10 |
| AS16076IT | IPERV-AS Infotech S.r.l | 13.3K | — | 6 |
| AS39729IT | REGISTER-AS REGISTER S.P.A. | 13.3K | 4.1K | 22 |
| AS201333IT | NAQUADRIA-AS Naquadria S.R.L. | 13.1K | 655.4K | 13 |
| AS59862IT | PLINK-AS Professional Link S.r.l. | 12.8K | — | 14 |
| AS13254IT | MONDADORI-AS ARNOLDO MONDADORI EDITORE SPA | 12.8K | — | 3 |
| AS56550IT | STELCORE STEL S.R.L. | 12.8K | — | 18 |
| AS39887IT | TELEVIDEOCOM-AS Televideocom Srl | 12.5K | — | 15 |
| AS200148IT | FIDOKA-AS FIDOKA srl SB | 12.5K | — | 13 |
| AS12481IT | TRIVENET Planetel Nordest SRL | 12.3K | — | 3 |
| AS43279IT | TELESPAZIO-AS Telespazio S.p.A. | 12.3K | — | 6 |
| AS16379IT | UNICREDIT-AS-MUC-DE UniCredit S.p.A. | 12.3K | — | 26 |
| AS207594IT | CONNECTIVIA Connectivia S.r.l | 12.3K | 589.8K | 15 |
| AS41364IT | TOP-IX_DP CONSORZIO TOPIX - TORINO E PIEMONTE EXCHANGE POINT | 11.8K | 524.3K | 24 |
| AS198721IT | progetto8 Progetto8 Srl | 11.8K | 65.5K | 18 |
| AS60087IT | ASSUPERNOVA Netsons s.r.l. | 11.5K | 65.5K | 16 |
| AS25301IT | WINDNET-AS Sr Net S.R.L. | 11.3K | — | 9 |
| AS199883IT | ARUBACLOUDLTD-ASN Aruba S.p.A. | 11.3K | 65.5K | 10 |
| AS61079IT | DIGI-IT Digi Italy S.R.L. | 11.3K | 524.3K | 8 |
| AS8224IT | INTERCOM-AS Intercom s.r.l. | 11.3K | 524.3K | 4 |
| AS44473IT | STSRL-AS S.T. S.r.l. | 11.3K | — | 26 |
| AS43843IT | BRIANTEL OPIQUAD S.P.A. | 11.3K | — | 20 |
| AS48815IT | CriticalCase CriticalCase s.r.l | 11K | — | 33 |
| AS15529IT | SGS-BP-AS Banco BPM S.P.A | 10.8K | — | 11 |
| AS206617IT | NEOMEDIA Neomedia S.r.l. | 10.8K | — | 17 |
| AS210129IT | atomonet-as Atomo Networks SRL | 10.2K | 524.3K | 4 |