asn.dev

Autonomous system

AS28555 AS28555 - Cablemas Telecomunicaciones SA de CV

Unclassified LACNIC

IPv4 addresses 34.82K 26 prefixes
IPv6 prefixes 11 counted as prefixes, not addresses
Countries 1 mostly MX
Exchanges 0 recorded by PCH
Upstreams 4 0 downstream
Flagged prefixes 0 none

Summary

Cablemas Telecomunicaciones

Mexico · AI-generated

cable residential mexico access

AS28555 is operated by Cablemas Telecomunicaciones SA de CV.

What it's used for

  • The address space carries residential cable customer traffic, evidenced by reverse DNS entries such as customer-189-216-20-0.cablevision.net.mx and customer-189-216-23-255.cablevision.net.mx.
  • The AS announces 34,560 IPv4 addresses across 25 prefixes and 11 IPv6 prefixes, while maintaining only 4 observed neighbours, a ratio characteristic of an access or eyeball network rather than a transit provider.

Notable

  • Registrants are predominantly Cablemas Telecomunicaciones SA de CV, though the prefix 189.216.16.0/20 is registered to Cablevisión, S.A. de C.V., indicating a historical or corporate relationship between the two entities.
  • The inventory consists of a mix of /19, /20, /22, /23, and /24 blocks, with the largest being 177.239.0.0/19, reflecting a fragmented but substantial address estate typical of regional cable operators.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.

Transit providers

4 upstream, 0 downstream and 7 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS32098Transtelco Inc1,863
AS1299Arelion Sweden AB554
AS3356Level 3 Parent, LLC392
AS28554Cablemas Telecomunicaciones SA de CV3

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-03, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 26 prefixes · 34.82K addresses IPv6 11 prefixes

CountryNamePrefixes
MXMexico37

Registry

Allocation record

LACNIC · via Atlas (registry + RDAP)
Registry
LACNIC
Handle
AS28555
Registry name
28555
Registrant
Cablemas Telecomunicaciones SA de CV
Abuse contact
ipmastercm@izzi.mx
Registered
2008-12-29
Last changed
2021-09-14
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
70% valid · 42 valid, 18 with no ROA
ROAs
12 authorising AS28555
ASPA
no ASPA record
IRR
97% registered · 58 of 60 announcements 1 other origin
Route objects
86 naming AS28555

Reputation

Classification and threat

Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 448 networks and 1,851 prefixes, as published 2026-11-04. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check