ASN AS28556 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28556?

AS28556 is listed under Cablemas Telecomunicaciones SA de CV.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS28556 Cablemas Telecomunicaciones SA de CV

ASN Lookup Tool

Cablemas Telecomunicaciones SA de CV izzi.mx

MX 12 Routes

AS Data

AS28556

AS28556 – Cablemas Telecomunicaciones SA de CV

AS Number	28556
AS Name	MX-CTSC6-LACNIC
Organization	Cablemas Telecomunicaciones SA de CV
Country	MX
Website	izzi.mx
Number of IPv4 Routes	10
Number of IPv6 Routes	2
ASN type	ISP
Registry	lacnic
Date Allocated	2008-12-29

ASN Intelligence API for production workflows

Use ASN data for AS28556 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
189.220.60.0/24	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	256
2806:250:16::/48	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	~1×10²⁴
2806:250:1800::/44	AS0		Cablemas Telecomunicaciones SA de CV	~19×10²⁴
187.252.167.0/24	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	256
187.252.9.0/24	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	256
187.252.166.0/24	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	256
187.252.250.0/23	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	512
187.185.154.0/24	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	256
189.220.61.0/24	AS0		Cablemas Telecomunicaciones SA de CV	256
187.252.248.0/23	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	512
189.221.153.0/24	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	256
187.252.248.0/22	AS28556	Cablemas Telecomunicaciones SA de CV	Cablemas Telecomunicaciones SA de CV	1024

Raw Whois Response

% Joint Whois - whois.lacnic.net
%  This server accepts single ASN, IPv4 or IPv6 queries

% LACNIC resource: whois.lacnic.net


% Copyright LACNIC lacnic.net
%  The data below is provided for information purposes
%  and to assist persons in obtaining information about or
%  related to AS and IP numbers registrations
%  By submitting a whois query, you agree to use this data
%  only for lawful purposes.
%  2026-09-15 12:16:10 (Z Z)

aut-num:     AS28556
owner:       Cablemas Telecomunicaciones SA de CV
ownerid:     MX-CTSC6-LACNIC
responsible: Isaac Torres Galvan
address:     Avenida Vasco de Quiroga, 2000, Col. Santa Fe
address:     01210 - Alcaldía Alvaro Obregon - CX
country:     MX
phone:       +52 777 2410061
owner-c:     FRL5
routing-c:   FRL5
abuse-c:     FRL5
created:     20081229
changed:     20210914

nic-hdl:     FRL5
person:      Isaac Torres Galvan
e-mail:      ipmastercm@izzi.mx
address:     Av. Par vialVasco de Quiroga, 2000, Col. Santa Fe
address:     01219 - Alvaro Obregon - CX
country:     MX
phone:       +52  5550225413
created:     20080804
changed:     20260319

% whois.lacnic.net accepts only direct match queries.
% Types of queries are: POCs, ownerid, CIDR blocks, IP
% and AS numbers.

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.lacnic.net",
  "aut_nums" : [ {
    "aut_num" : "AS28556",
    "country" : "MX",
    "admin_contacts" : [ "FRL5" ],
    "tech_contacts" : [ "FRL5" ],
    "abuse_contacts" : [ "FRL5" ],
    "date_created" : "2008-12-29",
    "date_updated" : "2021-09-14",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "MX-CTSC6-LACNIC",
    "name" : "Cablemas Telecomunicaciones SA de CV",
    "address" : [ "Avenida Vasco de Quiroga, 2000, Col. Santa Fe", "01210 - Alcald�a Alvaro Obregon - CX" ],
    "street" : "Alcald�a Alvaro Obregon",
    "country" : [ "MX" ],
    "phone" : [ "+52 777 2410061" ],
    "abuse_contacts" : [ "FRL5" ],
    "date_created" : "2008-12-29",
    "date_updated" : "2021-09-14",
    "source" : "lacnic"
  },
  "administrative_contacts" : [ {
    "handle" : "FRL5",
    "address" : [ "Av. Par vialVasco de Quiroga, 2000, Col. Santa Fe", "01219 - Alvaro Obregon - CX" ],
    "street" : "Alvaro Obregon",
    "zip_code" : "01219",
    "country" : "MX",
    "email" : [ "ipmastercm@izzi.mx" ],
    "phone" : [ "+52  5550225413" ],
    "date_created" : "2008-08-04",
    "date_updated" : "2026-03-19",
    "source" : "lacnic"
  } ],
  "technical_contacts" : [ {
    "handle" : "FRL5",
    "address" : [ "Av. Par vialVasco de Quiroga, 2000, Col. Santa Fe", "01219 - Alvaro Obregon - CX" ],
    "street" : "Alvaro Obregon",
    "zip_code" : "01219",
    "country" : "MX",
    "email" : [ "ipmastercm@izzi.mx" ],
    "phone" : [ "+52  5550225413" ],
    "date_created" : "2008-08-04",
    "date_updated" : "2026-03-19",
    "source" : "lacnic"
  } ],
  "abuse_contacts" : [ {
    "handle" : "FRL5",
    "address" : [ "Av. Par vialVasco de Quiroga, 2000, Col. Santa Fe", "01219 - Alvaro Obregon - CX" ],
    "street" : "Alvaro Obregon",
    "zip_code" : "01219",
    "country" : "MX",
    "email" : [ "ipmastercm@izzi.mx" ],
    "phone" : [ "+52  5550225413" ],
    "date_created" : "2008-08-04",
    "date_updated" : "2026-03-19",
    "source" : "lacnic"
  } ]
}

Peers

AS Number	Description	Country
AS28545	Cablemas Telecomunicaciones SA de CV	MX
AS64740

Upstreams

AS Number	Description	Country
AS28545	Cablemas Telecomunicaciones SA de CV	MX