$ query “AS20746” --type=asn → 1 result(s)

AS20746 · ASN-IDC

Telecom Italia S.p.A.

AS20746 belongs to Telecom Italia S.p.A. and is a mid-size transit provider, established in Italy in 2002. The system announces a solid 215 552 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in Italy, with additional presence in Portugal and San Marino.

Basic Information

Country
🇮🇹 Italy
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
June 25, 2002
Last Changed
August 01, 2026
Last Seen
August 13, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
337 / 154
IPv6 Prefixes (raw / aggregated)
6 / 1
IPv4 Addresses
215 552
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇮🇹 Italy (324 608 IPs), 🇵🇹 Portugal (512 IPs), 🇸🇲 San Marino (256 IPs)
Prefix Changed
June 11, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 215 552 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Downstream Customers
10 downstreams buying transit
Degree
12 unique BGP neighbors
Reach
10 networks in customer cone

Upstream Providers (2)

  • AS6762 — SEABONE-NET (Tier-1 transit)
  • AS3269 — ASN-IBSNAZ

Prefix Lists

IPv4 Prefixes (337 total)

  • 138.132.0.0/16 (65 536 addresses (/16 prefix))
  • 62.77.32.0/19 (8 192 addresses (/19 prefix))
  • 217.169.96.0/19 (8 192 addresses (/19 prefix))
  • 77.238.0.0/19 (8 192 addresses (/19 prefix))
  • 81.126.64.0/19 (8 192 addresses (/19 prefix))
  • 217.27.64.0/19 (8 192 addresses (/19 prefix))
  • 81.126.160.0/19 (8 192 addresses (/19 prefix))
  • 81.126.192.0/19 (8 192 addresses (/19 prefix))
  • 83.221.96.0/20 (4 096 addresses (/20 prefix))
  • 80.241.224.0/20 (4 096 addresses (/20 prefix))
  • 81.126.128.0/20 (4 096 addresses (/20 prefix))
  • 156.54.136.0/21 (2 048 addresses (/21 prefix))
  • 83.221.120.0/21 (2 048 addresses (/21 prefix))
  • 89.31.48.0/21 (2 048 addresses (/21 prefix))
  • 156.54.168.0/21 (2 048 addresses (/21 prefix))
  • 46.29.200.0/21 (2 048 addresses (/21 prefix))
  • 156.54.232.0/21 (2 048 addresses (/21 prefix))
  • 156.54.120.0/21 (2 048 addresses (/21 prefix))
  • 156.54.104.0/21 (2 048 addresses (/21 prefix))
  • 156.54.48.0/21 (2 048 addresses (/21 prefix))
  • 156.54.100.0/22 (1 024 addresses (/22 prefix))
  • 83.221.116.0/22 (1 024 addresses (/22 prefix))
  • 156.54.228.0/22 (1 024 addresses (/22 prefix))
  • 80.253.32.0/22 (1 024 addresses (/22 prefix))
  • 156.54.28.0/22 (1 024 addresses (/22 prefix))
  • 156.54.60.0/22 (1 024 addresses (/22 prefix))
  • 156.54.12.0/22 (1 024 addresses (/22 prefix))
  • 156.54.216.0/22 (1 024 addresses (/22 prefix))
  • 156.54.212.0/22 (1 024 addresses (/22 prefix))
  • 156.54.68.0/22 (1 024 addresses (/22 prefix))
  • 80.253.40.0/22 (1 024 addresses (/22 prefix))
  • 156.54.188.0/22 (1 024 addresses (/22 prefix))
  • 131.1.252.0/22 (1 024 addresses (/22 prefix))
  • 156.54.176.0/22 (1 024 addresses (/22 prefix))
  • 156.54.88.0/22 (1 024 addresses (/22 prefix))
  • 81.123.180.0/22 (1 024 addresses (/22 prefix))
  • 156.54.116.0/22 (1 024 addresses (/22 prefix))
  • 185.63.228.0/22 (1 024 addresses (/22 prefix))
  • 156.54.132.0/22 (1 024 addresses (/22 prefix))
  • 156.54.148.0/22 (1 024 addresses (/22 prefix))
  • 156.54.152.0/22 (1 024 addresses (/22 prefix))
  • 185.57.108.0/22 (1 024 addresses (/22 prefix))
  • 156.54.164.0/22 (1 024 addresses (/22 prefix))
  • 81.123.100.0/23 (512 addresses (/23 prefix))
  • 131.1.230.0/23 (512 addresses (/23 prefix))
  • 156.54.160.0/23 (512 addresses (/23 prefix))
  • 85.37.16.0/23 (512 addresses (/23 prefix))
  • 156.54.158.0/23 (512 addresses (/23 prefix))
  • 156.54.252.0/23 (512 addresses (/23 prefix))
  • 81.119.128.0/23 (512 addresses (/23 prefix))

IPv6 Prefixes (6 total)

  • 2001:4b18::/32