IP Tracker

AS23520

Columbus Networks USA, Inc.

USCarrier2026-07-19

Announced prefixes 129

23.249.136.0/2438.50.164.0/2463.245.0.0/1763.245.0.0/1863.245.1.0/2463.245.2.0/2463.245.3.0/2463.245.6.0/2463.245.20.0/2463.245.29.0/2463.245.32.0/2463.245.64.0/2163.245.69.0/2463.245.72.0/2163.245.72.0/2463.245.74.0/2463.245.77.0/2463.245.80.0/2063.245.91.0/2463.245.96.0/1963.245.104.0/2463.245.111.0/2467.230.0.0/1767.230.32.0/1967.230.64.0/1867.230.96.0/2467.230.101.0/2469.79.0.0/1669.79.0.0/1869.79.6.0/2469.79.32.0/2469.79.34.0/2469.79.64.0/1969.79.96.0/2269.79.101.0/2469.79.102.0/2469.79.103.0/2469.79.104.0/2469.79.105.0/2469.79.106.0/2469.79.107.0/2469.79.108.0/2469.79.112.0/2069.79.128.0/1769.79.176.0/2469.79.226.0/2469.79.228.0/2469.79.229.0/2469.79.230.0/2469.79.231.0/2472.252.0.0/1672.252.4.0/2272.252.16.0/2172.252.72.0/2172.252.80.0/21138.121.12.0/22143.208.164.0/24143.208.165.0/24143.208.166.0/23156.235.73.0/24156.235.74.0/24181.191.190.0/24181.191.191.0/24186.5.128.0/22190.131.192.0/18190.131.209.0/24190.131.224.0/22190.242.0.0/16190.242.6.0/23190.242.8.0/21190.242.10.0/24190.242.12.0/24190.242.14.0/24190.242.20.0/24190.242.31.0/24190.242.36.0/23190.242.38.0/23190.242.40.0/23190.242.46.0/23190.242.48.0/24190.242.49.0/24190.242.56.0/23190.242.56.0/24190.242.57.0/24190.242.64.0/21190.242.102.0/24190.242.118.0/24190.242.119.0/24190.242.126.0/24190.242.132.0/24190.242.133.0/24190.242.134.0/24190.242.135.0/24190.242.136.0/23190.242.140.0/24190.242.141.0/24190.242.142.0/24190.242.143.0/24190.242.145.0/24190.242.147.0/24190.242.155.0/24190.242.156.0/24190.242.157.0/24190.242.163.0/24190.242.166.0/24190.242.167.0/24190.242.169.0/24190.242.170.0/24190.242.171.0/24190.242.172.0/24190.242.173.0/24190.242.174.0/24190.242.176.0/24190.242.177.0/24190.242.178.0/24190.242.179.0/24190.242.180.0/24190.242.181.0/24190.242.182.0/24190.242.183.0/24190.242.191.0/24190.242.193.0/24190.242.194.0/24190.242.255.0/24200.115.160.0/22200.115.164.0/22208.169.92.0/242607:f438::/322803:f950::/32

Snapshot history

DateNameCountryClassPrefixes
2026-11-11Columbus Networks USA, Inc.USCarrier122
2026-11-10Columbus Networks USA, Inc.USCarrier122
2026-11-09Columbus Networks USA, Inc.USCarrier122
2026-11-08Columbus Networks USA, Inc.USCarrier122
2026-11-07Columbus Networks USA, Inc.USCarrier122
2026-11-06Columbus Networks USA, Inc.USCarrier122
2026-11-05Columbus Networks USA, Inc.USCarrier122
2026-11-04Columbus Networks USA, Inc.USCarrier122
2026-11-03Columbus Networks USA, Inc.USCarrier122
2026-11-02Columbus Networks USA, Inc.USCarrier122
2026-11-01Columbus Networks USA, Inc.USCarrier122
2026-10-31Columbus Networks USA, Inc.USCarrier122
2026-10-30Columbus Networks USA, Inc.USCarrier121
2026-10-29Columbus Networks USA, Inc.USCarrier121
2026-10-28Columbus Networks USA, Inc.USCarrier122
2026-10-27Columbus Networks USA, Inc.USCarrier122
2026-10-26Columbus Networks USA, Inc.USCarrier122
2026-10-25Columbus Networks USA, Inc.USCarrier122
2026-10-24Columbus Networks USA, Inc.USCarrier122
2026-10-23Columbus Networks USA, Inc.USCarrier122
2026-10-22Columbus Networks USA, Inc.USCarrier122
2026-10-21Columbus Networks USA, Inc.USCarrier122
2026-10-20Columbus Networks USA, Inc.USCarrier122
2026-10-19Columbus Networks USA, Inc.USCarrier122
2026-10-18Columbus Networks USA, Inc.USCarrier122
2026-10-17Columbus Networks USA, Inc.USCarrier122
2026-10-16Columbus Networks USA, Inc.USCarrier122
2026-10-15Columbus Networks USA, Inc.USCarrier122
2026-10-14Columbus Networks USA, Inc.USCarrier122
2026-10-13Columbus Networks USA, Inc.USCarrier122
2026-10-12Columbus Networks USA, Inc.USCarrier121
2026-10-11Columbus Networks USA, Inc.USCarrier121
2026-10-10Columbus Networks USA, Inc.USCarrier122
2026-10-09Columbus Networks USA, Inc.USCarrier122
2026-10-08Columbus Networks USA, Inc.USCarrier122
2026-10-07Columbus Networks USA, Inc.USCarrier121
2026-10-06Columbus Networks USA, Inc.USCarrier121
2026-10-05Columbus Networks USA, Inc.USCarrier121
2026-10-04Columbus Networks USA, Inc.USCarrier121
2026-10-03Columbus Networks USA, Inc.USCarrier121
2026-10-02Columbus Networks USA, Inc.USCarrier121
2026-10-01Columbus Networks USA, Inc.USCarrier121
2026-09-30Columbus Networks USA, Inc.USCarrier121
2026-09-29Columbus Networks USA, Inc.USCarrier121
2026-09-28Columbus Networks USA, Inc.USCarrier121
2026-09-27Columbus Networks USA, Inc.USCarrier121
2026-09-26Columbus Networks USA, Inc.USCarrier121
2026-09-25Columbus Networks USA, Inc.USCarrier121
2026-09-24Columbus Networks USA, Inc.USCarrier121
2026-09-23Columbus Networks USA, Inc.USCarrier120
2026-09-22Columbus Networks USA, Inc.USCarrier120
2026-09-21Columbus Networks USA, Inc.USCarrier119
2026-09-20Columbus Networks USA, Inc.USCarrier119
2026-09-19Columbus Networks USA, Inc.USCarrier119
2026-09-18Columbus Networks USA, Inc.USCarrier119
2026-09-17Columbus Networks USA, Inc.USCarrier119
2026-09-16Columbus Networks USA, Inc.USCarrier127
2026-09-15Columbus Networks USA, Inc.USCarrier127
2026-09-14Columbus Networks USA, Inc.USCarrier127
2026-09-13Columbus Networks USA, Inc.USCarrier127
2026-09-12Columbus Networks USA, Inc.USCarrier127
2026-09-11Columbus Networks USA, Inc.USCarrier127
2026-09-10Columbus Networks USA, Inc.USCarrier127
2026-09-09Columbus Networks USA, Inc.USCarrier128
2026-09-08Columbus Networks USA, Inc.USCarrier128
2026-09-07Columbus Networks USA, Inc.USCarrier128
2026-09-06Columbus Networks USA, Inc.USCarrier128
2026-09-05Columbus Networks USA, Inc.USCarrier128
2026-09-04Columbus Networks USA, Inc.USCarrier128
2026-09-03Columbus Networks USA, Inc.USCarrier128
2026-09-02Columbus Networks USA, Inc.USCarrier128
2026-09-01Columbus Networks USA, Inc.USCarrier128
2026-08-31Columbus Networks USA, Inc.USCarrier128
2026-08-30Columbus Networks USA, Inc.USCarrier128
2026-08-29Columbus Networks USA, Inc.USCarrier128
2026-08-28Columbus Networks USA, Inc.USCarrier128
2026-08-27Columbus Networks USA, Inc.USCarrier128
2026-08-26Columbus Networks USA, Inc.USCarrier128
2026-08-25Columbus Networks USA, Inc.USCarrier128
2026-08-24Columbus Networks USA, Inc.USCarrier128
2026-08-23Columbus Networks USA, Inc.USCarrier128
2026-08-22Columbus Networks USA, Inc.USCarrier128
2026-08-21Columbus Networks USA, Inc.USCarrier128
2026-08-20Columbus Networks USA, Inc.USCarrier128
2026-08-19Columbus Networks USA, Inc.USCarrier128
2026-08-18Columbus Networks USA, Inc.USCarrier128
2026-08-17Columbus Networks USA, Inc.USCarrier128
2026-08-16Columbus Networks USA, Inc.USCarrier128
2026-08-15Columbus Networks USA, Inc.USCarrier128
2026-08-14Columbus Networks USA, Inc.USCarrier129
2026-08-13Columbus Networks USA, Inc.USCarrier129
2026-08-12Columbus Networks USA, Inc.USCarrier129
2026-08-11Columbus Networks USA, Inc.USCarrier129
2026-08-10Columbus Networks USA, Inc.USCarrier129
2026-08-09Columbus Networks USA, Inc.USCarrier129
2026-08-08Columbus Networks USA, Inc.USCarrier129
2026-08-07Columbus Networks USA, Inc.USCarrier129
2026-08-06Columbus Networks USA, Inc.USCarrier129
2026-08-05Columbus Networks USA, Inc.USCarrier129
2026-08-04Columbus Networks USA, Inc.USCarrier129
2026-08-03Columbus Networks USA, Inc.USCarrier140
2026-08-02Columbus Networks USA, Inc.USCarrier141
2026-08-01Columbus Networks USA, Inc.USCarrier141
2026-07-31Columbus Networks USA, Inc.USCarrier129
2026-07-30Columbus Networks USA, Inc.USCarrier141
2026-07-29Columbus Networks USA, Inc.USCarrier141
2026-07-28Columbus Networks USA, Inc.USCarrier141
2026-07-27Columbus Networks USA, Inc.USCarrier129
2026-07-26Columbus Networks USA, Inc.USCarrier141
2026-07-25Columbus Networks USA, Inc.USCarrier141
2026-07-24Columbus Networks USA, Inc.USCarrier141
2026-07-23Columbus Networks USA, Inc.USCarrier141
2026-07-22Columbus Networks USA, Inc.USCarrier141
2026-07-21Columbus Networks USA, Inc.USCarrier141
2026-07-20Columbus Networks USA, Inc.USCarrier141
2026-07-19Columbus Networks USA, Inc.USCarrier129
2026-07-18Columbus Networks USA, Inc.USCarrier141
2026-07-17Columbus Networks USA, Inc.USCarrier141
2026-07-16Columbus Networks USA, Inc.USCarrier141
2026-07-15Columbus Networks USA, Inc.USCarrier141
2026-07-14Columbus Networks USA, Inc.USCarrier141
2026-07-13Columbus Networks USA, Inc.USCarrier141
2026-07-12Columbus Networks USA, Inc.USCarrier141
2026-07-11Columbus Networks USA, Inc.USCarrier141
2026-07-10Columbus Networks USA, Inc.USCarrier141
2026-07-09Columbus Networks USA, Inc.USCarrier141
2026-07-08Columbus Networks USA, Inc.USCarrier141
2026-07-07Columbus Networks USA, Inc.USCarrier128
2026-07-06Columbus Networks USA, Inc.USCarrier128
2026-07-05Columbus Networks USA, Inc.USCarrier128
2026-07-04Columbus Networks USA, Inc.USCarrier128
2026-07-03Columbus Networks USA, Inc.USCarrier128
2026-07-02Columbus Networks USA, Inc.USCarrier128
2026-07-01Columbus Networks USA, Inc.USCarrier128
2026-06-30Columbus Networks USA, Inc.USCarrier128
2026-06-29Columbus Networks USA, Inc.USCarrier127
2026-06-28Columbus Networks USA, Inc.USCarrier128
2026-06-27Columbus Networks USA, Inc.USCarrier128
2026-06-26Columbus Networks USA, Inc.USCarrier127
2026-06-25Columbus Networks USA, Inc.USCarrier128
2026-06-24Columbus Networks USA, Inc.USCarrier128
2026-06-23Columbus Networks USA, Inc.USCarrier128
2026-06-22Columbus Networks USA, Inc.USCarrier128
2026-06-21Columbus Networks USA, Inc.USCarrier128
2026-06-20Columbus Networks USA, Inc.USCarrier128
2026-06-19Columbus Networks USA, Inc.USCarrier127
2026-06-18Columbus Networks USA, Inc.USCarrier127
2026-06-17Columbus Networks USA, Inc.USCarrier127
2026-06-16Columbus Networks USA, Inc.USCarrier127
2026-06-15Columbus Networks USA, Inc.USCarrier127
2026-06-14Columbus Networks USA, Inc.USCarrier127
2026-06-13Columbus Networks USA, Inc.USCarrier127

IP-block changes

Open full filtered history →
ObservedBlockActionPrevious originsNew origins
2026-07-31190.242.88.0/23ReleasedAS23520—
2026-07-31190.242.146.0/23ReleasedAS23520—
2026-07-31190.242.153.0/24ReleasedAS23520—
2026-07-31190.242.154.0/24ReleasedAS23520—
2026-07-31190.242.168.0/24ReleasedAS23520—
2026-07-31206.126.115.0/24ReleasedAS23520—
2026-07-2863.245.7.0/24Acquired—AS23520
2026-07-2863.245.70.0/24Acquired—AS23520
2026-07-2863.245.90.0/24Acquired—AS23520
2026-07-2867.230.100.0/24Acquired—AS23520
2026-07-2869.79.99.0/24Acquired—AS23520
2026-07-28190.242.16.0/24Acquired—AS23520
2026-07-28190.242.88.0/23Acquired—AS23520
2026-07-28190.242.146.0/23Acquired—AS23520
2026-07-28190.242.153.0/24Acquired—AS23520
2026-07-28190.242.154.0/24Acquired—AS23520
2026-07-28190.242.168.0/24Acquired—AS23520
2026-07-28206.126.115.0/24Acquired—AS23520
2026-07-2763.245.7.0/24ReleasedAS23520—
2026-07-2763.245.70.0/24ReleasedAS23520—
2026-07-2763.245.90.0/24ReleasedAS23520—
2026-07-2767.230.100.0/24ReleasedAS23520—
2026-07-2769.79.99.0/24ReleasedAS23520—
2026-07-27190.242.16.0/24ReleasedAS23520—
2026-07-27190.242.88.0/23ReleasedAS23520—
2026-07-27190.242.146.0/23ReleasedAS23520—
2026-07-27190.242.153.0/24ReleasedAS23520—
2026-07-27190.242.154.0/24ReleasedAS23520—
2026-07-27190.242.168.0/24ReleasedAS23520—
2026-07-27206.126.115.0/24ReleasedAS23520—
2026-07-2063.245.7.0/24Acquired—AS23520
2026-07-2063.245.70.0/24Acquired—AS23520
2026-07-2063.245.90.0/24Acquired—AS23520
2026-07-2067.230.100.0/24Acquired—AS23520
2026-07-2069.79.99.0/24Acquired—AS23520
2026-07-20190.242.16.0/24Acquired—AS23520
2026-07-20190.242.88.0/23Acquired—AS23520
2026-07-20190.242.146.0/23Acquired—AS23520
2026-07-20190.242.153.0/24Acquired—AS23520
2026-07-20190.242.154.0/24Acquired—AS23520
2026-07-20190.242.168.0/24Acquired—AS23520
2026-07-20206.126.115.0/24Acquired—AS23520
2026-07-1963.245.7.0/24ReleasedAS23520—
2026-07-1963.245.70.0/24ReleasedAS23520—
2026-07-1963.245.90.0/24ReleasedAS23520—
2026-07-1967.230.100.0/24ReleasedAS23520—
2026-07-1969.79.99.0/24ReleasedAS23520—
2026-07-19190.242.16.0/24ReleasedAS23520—
2026-07-19190.242.88.0/23ReleasedAS23520—
2026-07-19190.242.146.0/23ReleasedAS23520—
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