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AS23520

AS23520 is Columbus Networks USA, Inc..

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS23520 belongs to Columbus Networks USA, Inc.. DB-IP Lite attributes 160,512 IPv4 addresses in 62 ranges and 2 IPv6 ranges to it, 55% of the IPv4 space in United States. The number is registered with ARIN in United States on 2 Apr 2002.

Facts for AS23520
Operator (DB-IP)Columbus Networks USA, Inc.
IPv4 addresses160,512
IPv4 ranges62
IPv6 ranges2
RegistryARIN
Registered2 Apr 2002
Registry countryUnited States (US)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Columbus Networks USA, Inc. hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 2 IPv6 ranges for AS23520, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

US55%
GT15%
CO15%
DE4%
PR4%
PA3%
DO2%
CR1%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
23.249.136.0 – 23.249.136.25523.249.136.0/24256
63.245.0.0 – 63.245.7.25563.245.0.0/212,048
63.245.16.0 – 63.245.17.25563.245.16.0/23512
63.245.20.0 – 63.245.87.25563.245.20.0/22, 63.245.24.0/21 …17,408
63.245.90.0 – 63.245.92.25563.245.90.0/23, 63.245.92.0/24768
63.245.94.0 – 63.245.94.25563.245.94.0/24256
63.245.96.0 – 63.245.104.25563.245.96.0/21, 63.245.104.0/242,304
63.245.106.0 – 63.245.107.25563.245.106.0/23512
63.245.110.0 – 63.245.111.25563.245.110.0/23512
67.230.0.0 – 67.230.31.25567.230.0.0/198,192
67.230.80.0 – 67.230.80.25567.230.80.0/24256
67.230.82.0 – 67.230.83.25567.230.82.0/23512
67.230.85.0 – 67.230.86.25567.230.85.0/24, 67.230.86.0/24512
67.230.89.0 – 67.230.90.25567.230.89.0/24, 67.230.90.0/24512
67.230.93.0 – 67.230.93.25567.230.93.0/24256
67.230.95.0 – 67.230.125.25567.230.95.0/24, 67.230.96.0/20 …7,936
67.230.127.0 – 67.230.127.25567.230.127.0/24256
69.79.0.0 – 69.79.9.25569.79.0.0/21, 69.79.8.0/232,560
69.79.14.0 – 69.79.25.25569.79.14.0/23, 69.79.16.0/21 …3,072
69.79.27.0 – 69.79.27.25569.79.27.0/24256
69.79.29.0 – 69.79.69.25569.79.29.0/24, 69.79.30.0/23 …10,496
69.79.72.0 – 69.79.81.25569.79.72.0/21, 69.79.80.0/232,560
69.79.83.0 – 69.79.110.25569.79.83.0/24, 69.79.84.0/22 …7,168
69.79.112.0 – 69.79.113.25569.79.112.0/23512
69.79.115.0 – 69.79.123.25569.79.115.0/24, 69.79.116.0/22 …2,304
69.79.128.0 – 69.79.189.25569.79.128.0/19, 69.79.160.0/20 …15,872
69.79.191.0 – 69.79.191.25569.79.191.0/24256
69.79.216.0 – 69.79.223.25569.79.216.0/212,048
69.79.226.0 – 69.79.226.25569.79.226.0/24256
69.79.228.0 – 69.79.255.25569.79.228.0/22, 69.79.232.0/21 …7,168
72.252.5.0 – 72.252.7.25572.252.5.0/24, 72.252.6.0/23768
72.252.16.0 – 72.252.23.25572.252.16.0/212,048
72.252.40.0 – 72.252.95.25572.252.40.0/21, 72.252.48.0/20 …14,336
143.208.164.0 – 143.208.167.255143.208.164.0/221,024
156.235.73.0 – 156.235.74.255156.235.73.0/24, 156.235.74.0/24512
181.191.190.0 – 181.191.191.255181.191.190.0/23512
186.5.128.0 – 186.5.129.255186.5.128.0/23512
190.131.193.0 – 190.131.193.255190.131.193.0/24256
190.131.209.0 – 190.131.209.255190.131.209.0/24256
190.131.233.0 – 190.131.233.255190.131.233.0/24256
190.131.249.0 – 190.131.249.255190.131.249.0/24256
190.242.1.0 – 190.242.7.255190.242.1.0/24, 190.242.2.0/23 …1,792
190.242.9.0 – 190.242.12.255190.242.9.0/24, 190.242.10.0/23 …1,024
190.242.14.0 – 190.242.20.255190.242.14.0/23, 190.242.16.0/22 …1,792
190.242.28.0 – 190.242.29.255190.242.28.0/23512
190.242.31.0 – 190.242.31.255190.242.31.0/24256
190.242.48.0 – 190.242.49.255190.242.48.0/23512
190.242.56.0 – 190.242.57.255190.242.56.0/23512
190.242.64.0 – 190.242.67.255190.242.64.0/221,024
190.242.71.0 – 190.242.87.255190.242.71.0/24, 190.242.72.0/21 …4,352
2607:f438:: – 2607:f438:ffff:ffff:ffff:ffff:ffff:ffff2607:f438::/32IPv6
2803:f950:: – 2803:f950:ffff:ffff:ffff:ffff:ffff:ffff2803:f950::/32IPv6
Showing 50 of 62 IPv4 and 2 of 2 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026