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How Italy ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
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. | 977.7K | 32 |
| AS3302IT | AS-RETELIT-IRIDEOS Retelit Digital Services S.p.A. | 628.5K | 54 |
| AS210278IT | SKYIT-BB Sky Italia srl | 590.8K | 12 |
| 7.1M |
| 196.6K |
| 287 |
| AS137IT | ASGARR Consortium GARR | 2.8M | 131.1K | 83 |
| AS16232IT | ASN-TIM Telecom Italia S.p.A. | 2M | 65.5K | 20 |
| AS24608IT | WINDTRE-AS WIND TRE S.P.A. | 1.5M | — | 16 |
| AS8968IT | BT-Italia BT Italia S.p.A. | 977.7K | 65.5K | 32 |
| AS3302IT | AS-RETELIT-IRIDEOS Retelit Digital Services S.p.A. | 628.5K | 589.8K | 54 |
| AS210278IT | SKYIT-BB Sky Italia srl | 590.8K | 8.4M | 12 |
| AS8612IT | TISCALI-IT Tiscali Italia S.P.A. | 540.7K | 65.5K | 20 |
| AS12663IT | VODAFONE-GROUP Fastweb SpA | 437.2K | 32 | 173 |
| AS35612IT | NGI-AS EOLO S.p.A. | 410.6K | 524.3K | 28 |
| AS31034IT | ARUBA-ASN Aruba S.p.A. | 283.6K | 262.1K | 103 |
| AS6762IT | SEABONE-NET TELECOM ITALIA SPARKLE S.p.A. | 270.3K | 131.1K | 283 |
| AS20746IT | ASN-IDC Telecom Italia S.p.A. | 239.9K | 86K | 343 |
| AS29286IT | SKYLOGIC-AS SKYLOGIC S.P.A. | 224K | 131.1K | 271 |
| AS198471IT | OPNET-AS Opnet Srl | 216.6K | 65.5K | 207 |
| AS21309IT | CASAWEB-AS HERABIT S.p.A. | 193.5K | 65.5K | 57 |
| AS3313IT | INET-AS BT Italia S.p.A. | 192.5K | 65.5K | 14 |
| AS210218IT | OpenFiber-Italy Open Fiber S.P.A. | 136.4K | 2 | 307 |
| AS3242IT | ASN-ITNET REEVO S.P.A. | 133.9K | 65.8K | 72 |
| AS213677IT | FIBERCOP Fibercop S.p.A. | 132.6K | 528.4K | 48 |
| AS8217IT | ASN-ENI ENI S.p.A. | 131.1K | — | 3 |
| AS30848IT | IT-TWT-AS UNIDATA S.p.A. | 122.9K | 65.5K | 65 |
| AS31638IT | ASN-LEPIDA Lepida S.c.p.A. | 117.8K | 524.3K | 113 |
| AS31263IT | MYNET-AS MYNET S.R.L. | 102.9K | 2.6M | 45 |
| AS12797IT | ASN-ATLANET BT Italia S.p.A. | 99.1K | — | 6 |
| AS21176IT | ASN-DEBIS Engineering D.HUB S.p.A. | 92.4K | 524.3K | 43 |
| AS5394IT | Unidata UNIDATA S.p.A. | 92.2K | 65.5K | 19 |
| AS21056IT | ASN-WELCOMEITALIA Vianova S.p.A | 90.9K | 65.5K | 42 |
| AS12637IT | SEEWEB SEEWEB s.r.l. | 88.3K | 2.9M | 45 |
| AS31115IT | INTRED-AS INTRED S.p.A. | 87.3K | 65.5K | 66 |
| AS2594IT | ASN-CSI CSI Piemonte | 87K | 65.5K | 20 |
| AS5602IT | AS-IRIDEOS-KP Retelit Digital Services S.p.A. | 86.8K | 65.5K | 15 |
| AS12551IT | AS-ENEL-IT ENEL S.p.A | 75K | — | 32 |
| AS6882IT | RTRT-PEGASO Regione Toscana | 73.7K | — | 2 |
| AS28929IT | ASDASD-AS ASDASD srl a socio unico | 71.4K | 65.5K | 8 |
| AS34606IT | ASN-BBBELL B.B.Bell SPA | 70.9K | 524.3K | 13 |
| AS49524IT | WOLNET Wolnet SRL | 69.6K | — | 3 |
| AS20811IT | BRENNERCOM-AS Retelit Digital Services S.p.A. | 68.4K | 1M | 16 |
| AS24771IT | IVECO-AS Iveco SpA | 67.1K | — | 4 |
| AS210026IT | IT-MOD_AS Ministero della Difesa | 66.6K | 524.3K | 3 |
| AS5535IT | Food And Agriculture Organization of the United Nations | 66.3K | — | 3 |
| AS20981IT | ASINNOVAPUGLIA InnovaPuglia SpA | 65.5K | — | 1 |
| AS5609IT | ASN-CSELT Telecom Italia S.p.A. | 65.5K | 65.5K | 3 |
| AS47902IT | ISP-INASSET-AS Retelit Digital Services S.p.A. | 63.5K | 131.1K | 52 |
| AS41497IT | AS_QCOM INTRED S.p.A. | 57.1K | 65.5K | 27 |
| AS61315IT | SEDMULTITEL SED Multitel s.r.l. | 53.8K | — | 21 |
| AS12445IT | SPIDERNET-AS A2A Smart City S.P.A | 50.9K | — | 14 |