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ASN Lookup

AS23520 · Columbus Networks USA, Inc.

An Autonomous System (AS) is a network run by one operator, like an ISP, with its own number on the internet. See who owns it, its IP prefixes, and its upstreams.

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AS23520live in BGP
Columbus Networks USA, Inc.
nameLIBERTY-NETWORKS
countryUnited States (US)
rirARIN
registeredApr 2, 2002
updatedDec 3, 2024
abuse[email protected]
Upstreams
Networks that sell this AS its internet transit.
AS174COGENT-174 - Cogent Communications, LLCAS1299TWELVE99 Arelion Sweden ABAS3257GTT-BACKBONE GTT Communications Inc.AS6762SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.AS7195AS7195 - EDGEUNO S.A.SAS6830LibertyGlobal Liberty Global Europe Holding B.V.
191 networks below it (downstream)
Announced prefixes · 114 IPv4 · 2 IPv6
json ↗
23.249.136.0/24
63.245.0.0/17
63.245.0.0/18
63.245.1.0/24
63.245.2.0/24
63.245.6.0/24
63.245.20.0/24
63.245.29.0/24
63.245.32.0/24
63.245.64.0/21
63.245.69.0/24
63.245.72.0/21
63.245.72.0/24
63.245.74.0/24
63.245.80.0/20
63.245.91.0/24
63.245.96.0/19
63.245.104.0/24
63.245.111.0/24
67.230.0.0/17
67.230.32.0/19
67.230.64.0/18
67.230.96.0/24
67.230.101.0/24
69.79.0.0/16
69.79.0.0/18
69.79.32.0/24
69.79.34.0/24
69.79.64.0/19
69.79.96.0/22
69.79.101.0/24
69.79.103.0/24
69.79.104.0/24
69.79.105.0/24
69.79.106.0/24
69.79.107.0/24
69.79.108.0/24
69.79.112.0/20
69.79.128.0/17
69.79.176.0/24
69.79.226.0/24
69.79.228.0/24
69.79.229.0/24
69.79.230.0/24
69.79.231.0/24
72.252.0.0/16
72.252.4.0/22
72.252.16.0/21
72.252.72.0/21
72.252.80.0/21
138.121.12.0/22
143.208.164.0/24
143.208.165.0/24
143.208.166.0/23
156.235.73.0/24
156.235.74.0/24
181.191.190.0/24
181.191.191.0/24
190.131.192.0/18
190.131.209.0/24
190.131.224.0/22
190.242.0.0/16
190.242.10.0/24
190.242.12.0/24
190.242.14.0/24
190.242.31.0/24
190.242.36.0/23
190.242.38.0/23
190.242.40.0/23
190.242.46.0/23
190.242.48.0/24
190.242.49.0/24
190.242.56.0/23
190.242.56.0/24
190.242.57.0/24
190.242.102.0/24
190.242.118.0/24
190.242.119.0/24
190.242.126.0/24
190.242.132.0/24
190.242.133.0/24
190.242.134.0/24
190.242.135.0/24
190.242.136.0/23
190.242.140.0/24
190.242.141.0/24
190.242.142.0/24
190.242.143.0/24
190.242.145.0/24
190.242.147.0/24
190.242.155.0/24
190.242.156.0/24
190.242.157.0/24
190.242.166.0/24
190.242.167.0/24
190.242.169.0/24
190.242.170.0/24
190.242.171.0/24
190.242.172.0/24
190.242.173.0/24
190.242.174.0/24
190.242.176.0/24
190.242.177.0/24
190.242.178.0/24
190.242.179.0/24
190.242.180.0/24
190.242.181.0/24
190.242.182.0/24
190.242.183.0/24
190.242.191.0/24
190.242.193.0/24
190.242.195.0/24
190.242.255.0/24
208.169.92.0/24
2607:f438::/32
2803:f950::/32
Upstream graphTransit paths from this AS up to the tier-1 networks. Click a node to open that AS.
building the graph from BGP paths…