Autonomous system
AS23520 LIBERTY-NETWORKS
Residential ARIN
Summary
Columbus Networks (Flow)
isp residential eyeball cable
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. Source, and how to suggest an edit.
Address space
Summary
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 153 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS23520- Registry name
- LIBERTY-NETWORKS
- Registrant
- Columbus Networks USA, Inc.
- Abuse contact
- rafael.espinosa@libertynet.com
- Registered
- 2002-04-02
- Last changed
- 2024-12-03
- Status
- active
Reputation
Classification and threat
Residential Fixed-line consumer ISP. Addresses here are homes.
1 IC3 indicators addresses in this network appear in FBI IC3 cybersecurity advisories.
| Prefix | Advisory | Published |
|---|---|---|
63.245.1.34 | Countering Chinese State-Sponsored Actors Compromise of Networks Worldwide to Feed Global Espionage System | 2025-08-27 |
Threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere