AS10292 — CWJ-1

Network type: residential

AS10292 announces 30 IPv4 prefixes covering 17,920 addresses and 0 IPv6 prefixes.

About this network

CWJ-1 is Cable & Wireless Jamaica, the island's incumbent telecommunications operator, which sells consumer and business internet under the Flow brand as part of Cable & Wireless Communications (now Liberty Caribbean, under Liberty Latin America).

What it's used for

Fixed internet access in Jamaica. The space carries a mix of residential broadband lines, dedicated business circuits, and hosted or on-premises servers belonging to Jamaican companies that buy connectivity from C&W.

Notable

The reverse DNS reads like an incumbent's customer estate, which is exactly what settles the kind. Three distinct patterns appear in the sample. First, subscriber lines: 5-174-131-208-br1-STATIC-dsl.cwjamaica.com — DSL access, aggregated on a broadband router, with a static address. Second, dedicated internet access: 5-32-163-208-STATIC-dia.cwjamaica.com, where dia is the industry abbreviation for a leased business circuit. Third, the customers themselves: mail.anngel.com and wisynco005.wisynco.com — Wisynco is a large Jamaican beverage and distribution group. Customer-branded PTRs inside carrier space mean the operator delegated the reverse zone to the businesses it serves.

So this is an eyeball/access network, not a carrier. RIS observes 69 announced IPv4 prefixes carrying 27,136 addresses, headed by 208.163.32.0/20, against just 2 BGP neighbours. Two adjacencies is decisive: a transit business is defined by peering breadth, and this AS has essentially none. It is an access network reached through group upstreams.

Interesting

The dsl versus dia split in the naming is a useful reminder that a technology label in a hostname describes the access method, not the customer — STATIC-dsl here sits alongside enterprise DIA in the same zone.

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

Announced prefixes

• 200.10.152.0/24
• 208.131.164.0/22
• 208.131.168.0/22
• 208.131.172.0/23
• 208.131.174.0/24
• 208.131.176.0/22
• 208.131.180.0/23
• 208.131.186.0/24
• 208.138.16.0/23
• 208.138.18.0/24
• 208.138.23.0/24
• 208.138.25.0/24
• 208.138.26.0/23
• 208.138.28.0/24
• 208.138.30.0/24
• 208.138.32.0/22
• 208.138.36.0/23
• 208.138.39.0/24
• 208.138.40.0/24
• 208.138.42.0/23
• 208.138.45.0/24
• 208.138.46.0/23
• 208.163.32.0/21
• 208.163.40.0/22
• 208.163.48.0/22
• 208.163.53.0/24
• 208.163.54.0/23
• 208.163.56.0/21
• 209.236.40.0/24
• 209.236.43.0/24

Upstream networks

• AS30689 FLOW

Downstream networks

• AS10278 Cable & Wireless (Barbados) Limited

Adjacent networks

• AS30689 FLOW
• AS10278 Cable & Wireless (Barbados) Limited

Internet exchanges

• Jamaica Internet Exchange Point — Kingston, Jamaica