Autonomous System
AS12663 Fastweb SpA
ISPActiveItalyRIPE
AS12663 (VODAFONE-GROUP) is an ISP network operated by Fastweb SpA in Italy, registered with RIPE. It has 169 IPv4 prefixes with 396,288 addresses and 2 IPv6 prefixes, which makes it the 786th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses396,288in 169 prefixes
IPv6 prefixes2≈ 3.9 × 10²⁵ addresses
Size rank#786of 82,200 active ASNs
Details
OrganizationFastweb SpA
AS nameVODAFONE-GROUP
Websitefastweb.it
Country Italy (IT)
Network typeISP
RegistryRIPE
Abuse contactabuse@fastweb.it
Registered1970-01-01
Last updated2026-01-29
IPv4 prefixes
169 prefixes · 396,288 addresses| Network | Addresses | First – last address |
|---|---|---|
| 46.108.0.0/16 | 65,536 | 46.108.0.0 – 46.108.255.255 |
| 145.230.0.0/16 | 65,536 | 145.230.0.0 – 145.230.255.255 |
| 46.190.128.0/17 | 32,768 | 46.190.128.0 – 46.190.255.255 |
| 192.125.128.0/17 | 32,768 | 192.125.128.0 – 192.125.255.255 |
| 195.232.128.0/17 | 32,768 | 195.232.128.0 – 195.232.255.255 |
| 108.179.64.0/18 | 16,384 | 108.179.64.0 – 108.179.127.255 |
| 130.195.128.0/18 | 16,384 | 130.195.128.0 – 130.195.191.255 |
| 208.53.128.0/18 | 16,384 | 208.53.128.0 – 208.53.191.255 |
| 62.213.128.0/19 | 8,192 | 62.213.128.0 – 62.213.159.255 |
| 130.195.64.0/19 | 8,192 | 130.195.64.0 – 130.195.95.255 |
| 130.195.96.0/19 | 8,192 | 130.195.96.0 – 130.195.127.255 |
| 139.47.160.0/19 | 8,192 | 139.47.160.0 – 139.47.191.255 |
| 37.25.176.0/20 | 4,096 | 37.25.176.0 – 37.25.191.255 |
| 85.205.208.0/20 | 4,096 | 85.205.208.0 – 85.205.223.255 |
| 130.195.32.0/20 | 4,096 | 130.195.32.0 – 130.195.47.255 |
| 37.25.128.0/21 | 2,048 | 37.25.128.0 – 37.25.135.255 |
| 37.25.136.0/21 | 2,048 | 37.25.136.0 – 37.25.143.255 |
| 47.73.8.0/21 | 2,048 | 47.73.8.0 – 47.73.15.255 |
| 47.73.96.0/21 | 2,048 | 47.73.96.0 – 47.73.103.255 |
| 47.73.224.0/21 | 2,048 | 47.73.224.0 – 47.73.231.255 |
| 89.32.48.0/21 | 2,048 | 89.32.48.0 – 89.32.55.255 |
| 92.114.8.0/21 | 2,048 | 92.114.8.0 – 92.114.15.255 |
| 130.195.200.0/21 | 2,048 | 130.195.200.0 – 130.195.207.255 |
| 195.232.176.0/21 | 2,048 | 195.232.176.0 – 195.232.183.255 |
| 47.73.44.0/22 | 1,024 | 47.73.44.0 – 47.73.47.255 |
46.108.0.0/16 145.230.0.0/16 46.190.128.0/17 192.125.128.0/17 195.232.128.0/17 108.179.64.0/18 130.195.128.0/18 208.53.128.0/18 62.213.128.0/19 130.195.64.0/19 130.195.96.0/19 139.47.160.0/19 37.25.176.0/20 85.205.208.0/20 130.195.32.0/20 37.25.128.0/21 37.25.136.0/21 47.73.8.0/21 47.73.96.0/21 47.73.224.0/21 89.32.48.0/21 92.114.8.0/21 130.195.200.0/21 195.232.176.0/21 47.73.44.0/22
The 25 largest of 169. The API and the database have all of them.
IPv6 prefixes
2 prefixes- 2a01:818:1000::/44
- 2a01:818:1060::/44
2a01:818:1000::/44 2a01:818:1060::/44
Query AS12663 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS12663&key=YOUR_API_KEY"Any address in its prefixes resolves to AS12663, with or without a key:
curl "https://api.ipapi.is/?q=46.108.0.1"