AS28538 — Cablemas Telecomunicaciones SA de CV

AS28538 announces 5 IPv4 prefixes covering 2,048 addresses and 0 IPv6 prefixes.

About this network

The AS handle AS28538 is held by Cablemas Telecomunicaciones SA de CV.

What it's used for

• The address space is registered under the netnames 177.236.128.0 - 177.236.159.255, 177.236.160.0 - 177.236.175.255, and 177.236.0.0 - 177.239.255.255, all attributed to Cablemas Telecomunicaciones SA de CV.
• The AS announces 2048 IPv4 addresses across 5 prefixes and maintains a single observed neighbour, a ratio that indicates an access or eyeball network rather than a transit provider.

Notable

• All five announced prefixes list Cablemas Telecomunicaciones SA de CV as the registrant, which agrees with the AS holder.
• The inventory consists of five IPv4 prefixes with no IPv6 prefixes announced, and the address space is concentrated in the 177.236.0.0/16 and 189.215.0.0/16 ranges.

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

Announced prefixes

• 177.236.128.0/22
• 177.236.165.0/24
• 177.239.236.0/24
• 189.215.129.0/24
• 189.215.130.0/24

Upstream networks

• AS18734 Operbes, S.A. de C.V.

Adjacent networks

• AS18734 Operbes, S.A. de C.V.

Routing security

• RPKI: 2 valid, 0 invalid and 5 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 29% of announcements registered; 16 route objects.
• Listed in as-sets: AS-32098, AS-BESTEL-NET, AS3491:AS-CUSTOMERS-NA.