HomeASN LookupAS23520Prefixes

AS23520 Announced Prefixes

148 prefixes originated in BGP by AS23520 Columbus Networks USA.

Prefixes 1-100

PrefixRPKIIRRLast Seen
23.249.136.0/24No ROA-2026-10-11
38.50.164.0/24 Invalid-2026-10-11
45.68.24.0/24 Invalid-2026-10-11
63.221.96.0/24 Invalid-2026-10-11
63.245.0.0/17No ROAOther IRR2026-10-11
63.245.0.0/18 Valid-2026-10-11
63.245.0.0/24 Invalid-2026-10-11
63.245.1.0/24 ValidOther IRR2026-10-11
63.245.2.0/24 ValidOther IRR2026-10-11
63.245.3.0/24 Invalid-2026-10-11
63.245.4.0/24 Invalid-2026-10-11
63.245.6.0/24 Valid-2026-10-11
63.245.7.0/24 ValidOther IRR2026-10-11
63.245.20.0/24 Valid-2026-10-11
63.245.29.0/24 Valid-2026-10-11
63.245.32.0/24 ValidOther IRR2026-10-11
63.245.40.0/24 Invalid-2026-10-11
63.245.43.0/24 Invalid-2026-10-11
63.245.45.0/24 Invalid-2026-10-11
63.245.64.0/21 Valid-2026-10-11
63.245.69.0/24 Valid-2026-10-11
63.245.70.0/24 Valid-2026-10-11
63.245.72.0/21 ValidOther IRR2026-10-11
63.245.72.0/24 ValidOther IRR2026-10-11
63.245.73.0/24 Invalid-2026-10-11
63.245.74.0/24 Valid-2026-10-11
63.245.76.0/24 Invalid-2026-10-11
63.245.77.0/24 Invalid-2026-10-11
63.245.80.0/20No ROA-2026-10-11
63.245.90.0/24No ROA-2026-10-11
63.245.91.0/24 Valid-2026-10-11
63.245.96.0/19No ROAOther IRR2026-10-11
63.245.104.0/24 ValidOther IRR2026-10-11
63.245.111.0/24 ValidOther IRR2026-10-11
67.230.0.0/17No ROAOther IRR2026-10-11
67.230.32.0/19No ROA-2026-10-11
67.230.64.0/18No ROA-2026-10-11
67.230.96.0/24 Valid-2026-10-11
67.230.100.0/24No ROA-2026-10-11
67.230.101.0/24 Valid-2026-10-11
69.79.0.0/16No ROAOther IRR2026-10-11
69.79.0.0/18No ROAOther IRR2026-10-11
69.79.6.0/24No ROA-2026-10-11
69.79.32.0/24 Valid-2026-10-11
69.79.34.0/24No ROA-2026-10-11
69.79.64.0/19No ROA-2026-10-11
69.79.96.0/22No ROA-2026-10-11
69.79.99.0/24No ROA-2026-10-11
69.79.101.0/24 Valid-2026-10-11
69.79.102.0/24No ROA-2026-10-11
69.79.103.0/24 Valid-2026-10-11
69.79.104.0/24 Valid-2026-10-11
69.79.105.0/24 Valid-2026-10-11
69.79.106.0/24 Valid-2026-10-11
69.79.107.0/24 Valid-2026-10-11
69.79.108.0/24 Valid-2026-10-11
69.79.112.0/20No ROA-2026-10-11
69.79.128.0/17No ROA-2026-10-11
69.79.176.0/24 Valid-2026-10-11
69.79.226.0/24 Valid-2026-10-11
69.79.228.0/24 Valid-2026-10-11
69.79.229.0/24No ROA-2026-10-11
69.79.230.0/24 Valid-2026-10-11
69.79.231.0/24 Valid-2026-10-11
72.252.0.0/16No ROAOther IRR2026-10-11
72.252.4.0/22No ROA-2026-10-11
72.252.16.0/21No ROA-2026-10-11
72.252.72.0/21No ROA-2026-10-11
72.252.80.0/21No ROA-2026-10-11
138.121.12.0/22 ValidLACNIC, Other IRR2026-10-11
143.208.164.0/24No ROAOther IRR2026-10-11
143.208.165.0/24No ROAOther IRR2026-10-11
143.208.166.0/23No ROAOther IRR2026-10-11
156.235.73.0/24 ValidAFRINIC, Other IRR2026-10-11
156.235.74.0/24 ValidAFRINIC, Other IRR2026-10-11
181.191.190.0/24No ROA-2026-10-11
181.191.191.0/24No ROA-2026-10-11
186.5.128.0/22 ValidOther IRR2026-10-11
190.131.192.0/18 ValidLACNIC, Other IRR2026-10-11
190.131.209.0/24 ValidLACNIC2026-10-11
190.131.224.0/22 ValidLACNIC2026-10-11
190.242.0.0/16No ROAOther IRR2026-10-11
190.242.6.0/23No ROA-2026-10-11
190.242.8.0/21No ROA-2026-10-11
190.242.10.0/24 Valid-2026-10-11
190.242.12.0/24 Valid-2026-10-11
190.242.14.0/24 Valid-2026-10-11
190.242.20.0/24 Valid-2026-10-11
190.242.31.0/24 Valid-2026-10-11
190.242.36.0/23 Valid-2026-10-11
190.242.38.0/23 Valid-2026-10-11
190.242.40.0/23 Valid-2026-10-11
190.242.46.0/23 Valid-2026-10-11
190.242.48.0/24 Valid-2026-10-11
190.242.49.0/24 Valid-2026-10-11
190.242.56.0/23 Valid-2026-10-11
190.242.56.0/24 Valid-2026-10-11
190.242.57.0/24 Valid-2026-10-11
190.242.64.0/21No ROA-2026-10-11
190.242.88.0/23No ROA-2026-10-11
AS23520 Announced Prefixes | ipctl.io