AS23520 — LIBERTY-NETWORKS

Network type: residential

AS23520 announces 126 IPv4 prefixes covering 152,064 addresses and 2 IPv6 prefixes.

About this network

Columbus Networks (AS23520) — the network behind Flow, the Caribbean cable/broadband brand of Cable & Wireless (Liberty Latin America).

What it's used for

• Cable and fibre home internet for consumers across the Caribbean (Jamaica, Trinidad and Tobago, Barbados, and other island markets).

Notable

• An "eyeball" network serving residential subscribers across multiple Caribbean nations under the Flow brand.
• Columbus also operates the ARCOS submarine cable ring linking the US, Central America, South America, and the Caribbean.

Interesting

• Columbus Communications merged into Cable & Wireless in 2015; the combined Caribbean consumer operation now trades as Flow.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 23.249.136.0/24
• 63.245.0.0/21
• 63.245.16.0/23
• 63.245.20.0/22
• 63.245.24.0/21
• 63.245.32.0/19
• 63.245.64.0/20
• 63.245.80.0/21
• 63.245.90.0/23
• 63.245.92.0/24
• 63.245.94.0/24
• 63.245.96.0/21
• 63.245.104.0/24
• 63.245.106.0/23
• 63.245.110.0/23
• 67.230.0.0/19
• 67.230.80.0/24
• 67.230.82.0/23
• 67.230.85.0/24
• 67.230.86.0/24
• 67.230.89.0/24
• 67.230.90.0/24
• 67.230.93.0/24
• 67.230.95.0/24
• 67.230.96.0/20
• 67.230.112.0/21
• 67.230.120.0/22
• 67.230.124.0/23
• 67.230.127.0/24
• 69.79.0.0/21
• 69.79.8.0/23
• 69.79.14.0/23
• 69.79.16.0/21
• 69.79.24.0/23
• 69.79.27.0/24
• 69.79.29.0/24
• 69.79.30.0/23
• 69.79.32.0/19
• 69.79.64.0/22
• 69.79.68.0/23
• 69.79.72.0/21
• 69.79.80.0/23
• 69.79.83.0/24
• 69.79.84.0/22
• 69.79.88.0/21
• 69.79.96.0/22
• 69.79.101.0/24
• 69.79.103.0/24
• 69.79.104.0/22
• 69.79.108.0/24
• 69.79.112.0/23
• 69.79.115.0/24
• 69.79.116.0/22
• 69.79.120.0/22
• 69.79.128.0/19
• 69.79.160.0/20
• 69.79.176.0/21
• 69.79.184.0/22
• 69.79.188.0/23
• 69.79.191.0/24
• 69.79.192.0/22
• 69.79.197.0/24
• 69.79.198.0/23
• 69.79.200.0/22
• 69.79.205.0/24
• 69.79.206.0/23
• 69.79.216.0/21
• 69.79.226.0/24
• 69.79.228.0/22
• 69.79.232.0/21
• 69.79.240.0/20
• 72.252.5.0/24
• 72.252.6.0/23
• 72.252.16.0/21
• 72.252.72.0/21
• 72.252.80.0/21
• 143.208.164.0/22
• 156.235.73.0/24
• 156.235.74.0/24
• 181.191.190.0/23
• 190.131.193.0/24
• 190.131.209.0/24
• 190.131.233.0/24
• 190.131.249.0/24
• 190.242.1.0/24
• 190.242.2.0/23
• 190.242.4.0/22
• 190.242.9.0/24
• 190.242.10.0/23
• 190.242.12.0/24
• 190.242.14.0/23
• 190.242.16.0/22
• 190.242.20.0/24
• 190.242.28.0/23
• 190.242.31.0/24
• 190.242.48.0/23
• 190.242.56.0/23
• 190.242.64.0/22
• 190.242.71.0/24
• 190.242.72.0/21

and 28 more.

Upstream networks

• AS1299 Arelion Sweden AB
• AS174 Cogent Communications, LLC
• AS6830 Liberty Global Europe Holding B.V.
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS3257 GTT Communications Inc.
• AS3303 Swisscom (Schweiz) AG
• AS6939 Hurricane Electric LLC

Downstream networks

• AS14638 Liberty Communications of Puerto Rico LLC
• AS52228 Cable Tica
• AS21826 Corporacion Telemic C.A.
• AS8048 CANTV Servicios, Venezuela
• AS11139 Cable & Wireless Dominica
• AS262191 LIBERTY NETWORKS DE COLOMBIA S.A.S
• AS14813 Columbus Telecommunications (Barbados) Limited
• AS11556 Cable & Wireless Panama
• AS30689 FLOW
• AS27775 Telecommunicationcompany Suriname - TeleSur
• AS28118 ALTICE DOMINICANA S.A.
• AS22724 PUNTONET S.A.
• AS52468 UFINET PANAMA S.A.
• AS52471 COLUMBUS NETWORKS DOMINICANA, S.A.
• AS5639 Telecommunication Services of Trinidad and Tobago
• AS27696 LIBERTY NETWORKS HONDURAS, SOCIEDAD DE RESPONSABILIDAD LIMITADA
• AS52233 Columbus Communications Curacao NV
• AS15344 Karib Cable
• AS272882 BITNET DOMINICANA, S.R.L.
• AS27884 CABLECOLOR S.A.
• AS19429 ETB - Colombia
• AS46650 Columbus Communications Grenada Ltd.
• AS27665 Columbus Communications Trinidad Limited.
• AS52286 LIBERTY NETWORKS GUATEMALA, LIMITADA
• AS27889 Telecomunicaciones MOVILNET

Adjacent networks

• AS1299 Arelion Sweden AB
• AS174 Cogent Communications, LLC
• AS6830 Liberty Global Europe Holding B.V.
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS14638 Liberty Communications of Puerto Rico LLC
• AS262191 LIBERTY NETWORKS DE COLOMBIA S.A.S
• AS52228 Cable Tica
• AS3257 GTT Communications Inc.
• AS21826 Corporacion Telemic C.A.
• AS52468 UFINET PANAMA S.A.
• AS272935 GB TELECORP DOMINICANA, S.R.L
• AS8048 CANTV Servicios, Venezuela
• AS11556 Cable & Wireless Panama
• AS11139 Cable & Wireless Dominica
• AS30689 FLOW
• AS14813 Columbus Telecommunications (Barbados) Limited
• AS263703 VIGINET C.A
• AS27665 Columbus Communications Trinidad Limited.
• AS22724 PUNTONET S.A.
• AS27775 Telecommunicationcompany Suriname - TeleSur
• AS3303 Swisscom (Schweiz) AG
• AS11081 United Telecommunication Services (UTS)
• AS272882 BITNET DOMINICANA, S.R.L.
• AS27696 LIBERTY NETWORKS HONDURAS, SOCIEDAD DE RESPONSABILIDAD LIMITADA
• AS5639 Telecommunication Services of Trinidad and Tobago

Internet exchanges

• Equinix Internet Exchange Miami — Miami, United States
• Digital Realty Atlanta Internet Exchange — Atlanta, United States
• PIT Lima - PIT Peru — Lima, Peru
• Digital Realty New York Internet Exchange — New York, United States
• PIT Colombia - Bogota — Bogota, Colombia
• Equinix-LA(former Paix) — Los Angeles, United States