Autonomous System
AS5609 Telecom Italia S.p.A.
ISPActiveItalyRIPE
AS5609 (ASN-CSELT # AS-CSELT converted to ASN-CSELT for RPSL compliance) is an ISP network operated by Telecom Italia S.p.A. in Italy, registered with RIPE. It has 1 IPv4 prefix with 65,536 addresses and 2 IPv6 prefixes, which makes it the 3,585th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses65,536in 1 prefix
IPv6 prefixes2≈ 7.9 × 10²⁸ addresses
Size rank#3,585of 82,200 active ASNs
Details
OrganizationTelecom Italia S.p.A.
AS nameASN-CSELT # AS-CSELT converted to ASN-CSELT for RPSL compliance
Websitetelecomitalia.it
Country Italy (IT)
Network typeISP
RegistryRIPE
Abuse contactabuse@business.telecomitalia.it
Registered1970-01-01
Last updated2025-05-22
IPv4 prefixes
1 prefix · 65,536 addresses| Network | Addresses | First – last address |
|---|---|---|
| 163.162.0.0/16 | 65,536 | 163.162.0.0 – 163.162.255.255 |
163.162.0.0/16
IPv6 prefixes
2 prefixes- 2001:6b8::/32
- 2001:6b8:1234::/48
2001:6b8::/32 2001:6b8:1234::/48
Query AS5609 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=AS5609&key=YOUR_API_KEY"Any address in its prefixes resolves to AS5609, with or without a key:
curl "https://api.ipapi.is/?q=163.162.0.1"Other networks of Telecom Italia S.p.A.
AS3269 Telecom Italia S.p.A.21,476,096 IPv4 addressesAS16232 Telecom Italia S.p.A.2,039,808 IPv4 addressesAS20746 Telecom Italia S.p.A.239,872 IPv4 addresses