$ query “AS9002” --type=asn → 1 result(s)

AS9002 · RETN-AS

RETN Limited

AS9002 belongs to RETN Limited and is a major transit provider, registered in the United Kingdom since 2008. The system announces a respectable 44 032 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Latvia, with additional presence in Australia and the Netherlands, and smaller footprints in 10 additional countries. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #14 by Reach — Top 100 by customer cone size
  • #27 by Degree — Top 100 by unique BGP neighbor count
  • #1 in United Kingdom — Top 10 by reach within country

Basic Information

Country
🇬🇧 United Kingdom
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
March 25, 2008
Last Changed
March 04, 2026
Last Seen
April 18, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
77 / 57
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
44 032
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇱🇻 Latvia (22 528 IPs), 🇦🇺 Australia (9 728 IPs), 🇳🇱 Netherlands (6 176 IPs) and 10 more
Prefix Changed
April 16, 2026

Reputation

Reputation
Good — 3 flagged IPs out of 44 032 total (0.01%)
Open Proxies
1 known open proxies in this network

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
999 networks exchanging traffic without transit
Downstream Customers
1 190 downstreams buying transit
Unclassified
660 unclassified BGP neighbors
Degree
2 851 unique BGP neighbors
Reach
52 509 networks in customer cone

Upstream Providers (2)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (77 total)

  • 87.245.224.0/19 (8 192 addresses (/19 prefix))
  • 139.45.192.0/19 (8 192 addresses (/19 prefix))
  • 155.212.224.0/21 (2 048 addresses (/21 prefix))
  • 87.245.208.0/21 (2 048 addresses (/21 prefix))
  • 193.109.100.0/22 (1 024 addresses (/22 prefix))
  • 74.112.156.0/22 (1 024 addresses (/22 prefix))
  • 185.82.8.0/22 (1 024 addresses (/22 prefix))
  • 185.13.152.0/22 (1 024 addresses (/22 prefix))
  • 45.130.212.0/22 (1 024 addresses (/22 prefix))
  • 31.128.32.0/22 (1 024 addresses (/22 prefix))
  • 89.19.36.0/22 (1 024 addresses (/22 prefix))
  • 89.106.28.0/22 (1 024 addresses (/22 prefix))
  • 104.121.64.0/22 (1 024 addresses (/22 prefix))
  • 94.158.240.0/22 (1 024 addresses (/22 prefix))
  • 45.152.86.0/23 (512 addresses (/23 prefix))
  • 91.218.142.0/23 (512 addresses (/23 prefix))
  • 90.156.254.0/23 (512 addresses (/23 prefix))
  • 83.222.20.0/23 (512 addresses (/23 prefix))
  • 104.121.68.0/23 (512 addresses (/23 prefix))
  • 37.233.82.0/23 (512 addresses (/23 prefix))
  • 37.233.84.0/23 (512 addresses (/23 prefix))
  • 82.23.136.0/23 (512 addresses (/23 prefix))
  • 213.218.244.0/23 (512 addresses (/23 prefix))
  • 45.145.168.0/24 (256 addresses (/24 prefix))
  • 45.11.94.0/24 (256 addresses (/24 prefix))
  • 82.23.142.0/24 (256 addresses (/24 prefix))
  • 77.73.238.0/24 (256 addresses (/24 prefix))
  • 77.73.235.0/24 (256 addresses (/24 prefix))
  • 89.40.204.0/24 (256 addresses (/24 prefix))
  • 77.73.233.0/24 (256 addresses (/24 prefix))
  • 46.173.20.0/24 (256 addresses (/24 prefix))
  • 91.193.25.0/24 (256 addresses (/24 prefix))
  • 45.156.20.0/24 (256 addresses (/24 prefix))
  • 2.58.98.0/24 (256 addresses (/24 prefix))
  • 45.145.163.0/24 (256 addresses (/24 prefix))
  • 45.145.6.0/24 (256 addresses (/24 prefix))
  • 45.145.5.0/24 (256 addresses (/24 prefix))
  • 45.137.188.0/24 (256 addresses (/24 prefix))
  • 45.92.174.0/24 (256 addresses (/24 prefix))
  • 185.77.231.0/24 (256 addresses (/24 prefix))
  • 82.23.151.0/24 (256 addresses (/24 prefix))
  • 193.22.244.0/24 (256 addresses (/24 prefix))
  • 193.23.3.0/24 (256 addresses (/24 prefix))
  • 193.28.186.0/24 (256 addresses (/24 prefix))
  • 193.43.72.0/24 (256 addresses (/24 prefix))
  • 193.56.188.0/24 (256 addresses (/24 prefix))
  • 193.56.190.0/24 (256 addresses (/24 prefix))
  • 37.233.86.0/24 (256 addresses (/24 prefix))
  • 193.242.106.0/24 (256 addresses (/24 prefix))
  • 193.242.109.0/24 (256 addresses (/24 prefix))
  • and 7 more

IPv6 Prefixes (1 total)

  • 2a02:2d8::/32