$ query “AS20771” --type=asn → 1 result(s)

AS20771 · CAUCASUS-CABLE-SYSTEM

Caucasus Online Ltd.

AS20771 is owned by Caucasus Online Ltd. and is a mid-size transit provider, based in Georgia since 2005. The system announces a solid 183 552 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in Georgia.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #3 in Georgia — Top 10 by reach within country

Basic Information

Country
🇬🇪 Georgia
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 08, 2005
Last Changed
March 04, 2026
Last Seen
October 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
19 / 14
IPv6 Prefixes (raw / aggregated)
1 / 1
IPv4 Addresses
183 552
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇬🇪 Georgia (183 552 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 183 552 total (0.00%)
Open Proxies
2 known open proxies in this network

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Peers
8 networks exchanging traffic without transit
Downstream Customers
33 downstreams buying transit
Unclassified
1 unclassified BGP neighbor
Degree
47 unique BGP neighbors
Reach
48 networks in customer cone

Upstream Providers (5)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS6461 — ZAYO-6461 (Tier-1 transit)
  • AS196925 — AZRT-AS
  • AS47872 — SOFIA-CONNECT-AS

Prefix Lists

IPv4 Prefixes (19 total)

  • 176.73.0.0/16 (65 536 addresses (/16 prefix))
  • 37.233.128.0/17 (32 768 addresses (/17 prefix))
  • 134.90.0.0/17 (32 768 addresses (/17 prefix))
  • 78.139.128.0/18 (16 384 addresses (/18 prefix))
  • 88.210.192.0/18 (16 384 addresses (/18 prefix))
  • 85.117.32.0/19 (8 192 addresses (/19 prefix))
  • 89.232.0.0/19 (8 192 addresses (/19 prefix))
  • 80.241.244.0/22 (1 024 addresses (/22 prefix))
  • 185.19.96.0/22 (1 024 addresses (/22 prefix))
  • 80.241.184.0/24 (256 addresses (/24 prefix))
  • 80.241.252.0/24 (256 addresses (/24 prefix))
  • 109.106.0.0/24 (256 addresses (/24 prefix))
  • 185.163.200.0/24 (256 addresses (/24 prefix))
  • 212.72.130.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (1 total)

  • 2a02:23f0::/32