ASN AS28543 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28543?

AS28543 is listed under Mexico Red de Telecomunicaciones, S. de R.L. de C.V..

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.

AS28543 Mexico Red de Telecomunicaciones, S. de R.L. de C.V.

ASN Lookup Tool

Mexico Red de Telecomunicaciones, S. de R.L. de C.V. izzi.mx

MX 17 Routes

AS Data

AS28543

AS28543 – Mexico Red de Telecomunicaciones, S. de R.L. de C.V.

AS Number	28543
AS Name	MX-MRTS1-LACNIC
Organization	Mexico Red de Telecomunicaciones, S. de R.L. de C.V.
Country	MX
Website	izzi.mx
Number of IPv4 Routes	6
Number of IPv6 Routes	0
ASN type	ISP
Registry	lacnic
Date Allocated	2009-06-11

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Use ASN data for AS28543 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

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.
%  2026-10-06 09:27:28 (-03 -03:00)

aut-num:     AS28543
owner:       Mexico Red de Telecomunicaciones, S. de R.L. de C.V.
ownerid:     MX-MRTS1-LACNIC
responsible: Ana María Solorzano Luna Parra
address:     Avenida Vasco de Quiroga, 2000, Col. Santa Fe
address:     01210 - Alcaldía Álvaro Obregón - CX
country:     MX
phone:       +52 55 50952300
owner-c:     MAP29
routing-c:   MAP29
abuse-c:     MAP29
created:     20090611
changed:     20210914

nic-hdl:     MAP29
person:      Jorge Alberto Manzanares Mendez
e-mail:      ipmastercc@izzi.mx
address:     Bosque de Duraznos, 55, PB - Bosques de las Lomas
address:     11700 - Mexico DF - CX
country:     MX
phone:       +52  5550225413
created:     20100430
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" : "AS28543",
    "country" : "MX",
    "admin_contacts" : [ "MAP29" ],
    "tech_contacts" : [ "MAP29" ],
    "abuse_contacts" : [ "MAP29" ],
    "date_created" : "2009-06-11",
    "date_updated" : "2021-09-14",
    "source" : "lacnic"
  } ],
  "organization" : {
    "handle" : "MX-MRTS1-LACNIC",
    "name" : "Mexico Red de Telecomunicaciones, S. de R.L. de C.V.",
    "address" : [ "Avenida Vasco de Quiroga, 2000, Col. Santa Fe", "01210 - Alcald�a �lvaro Obreg�n - CX" ],
    "street" : "Alcald�a �lvaro",
    "city" : "Obreg�n",
    "country" : [ "MX" ],
    "phone" : [ "+52 55 50952300" ],
    "abuse_contacts" : [ "MAP29" ],
    "date_created" : "2009-06-11",
    "date_updated" : "2021-09-14",
    "source" : "lacnic",
    "addressCountry" : "CX"
  },
  "administrative_contacts" : [ {
    "handle" : "MAP29",
    "address" : [ "Bosque de Duraznos, 55, PB - Bosques de las Lomas", "11700 - Mexico DF - CX" ],
    "street" : "Pb Bosques De Las Lomas",
    "city" : "Mexico Df",
    "zip_code" : "11700",
    "country" : "MX",
    "email" : [ "ipmastercc@izzi.mx" ],
    "phone" : [ "+52  5550225413" ],
    "date_created" : "2010-04-30",
    "date_updated" : "2026-03-19",
    "source" : "lacnic",
    "addressCountry" : "CX"
  } ],
  "technical_contacts" : [ {
    "handle" : "MAP29",
    "address" : [ "Bosque de Duraznos, 55, PB - Bosques de las Lomas", "11700 - Mexico DF - CX" ],
    "street" : "Pb Bosques De Las Lomas",
    "city" : "Mexico Df",
    "zip_code" : "11700",
    "country" : "MX",
    "email" : [ "ipmastercc@izzi.mx" ],
    "phone" : [ "+52  5550225413" ],
    "date_created" : "2010-04-30",
    "date_updated" : "2026-03-19",
    "source" : "lacnic",
    "addressCountry" : "CX"
  } ],
  "abuse_contacts" : [ {
    "handle" : "MAP29",
    "address" : [ "Bosque de Duraznos, 55, PB - Bosques de las Lomas", "11700 - Mexico DF - CX" ],
    "street" : "Pb Bosques De Las Lomas",
    "city" : "Mexico Df",
    "zip_code" : "11700",
    "country" : "MX",
    "email" : [ "ipmastercc@izzi.mx" ],
    "phone" : [ "+52  5550225413" ],
    "date_created" : "2010-04-30",
    "date_updated" : "2026-03-19",
    "source" : "lacnic",
    "addressCountry" : "CX"
  } ]
}

Peers

AS Number	Description	Country
AS18734	Operbes, S.A. de C.V.	MX

Upstreams

AS Number	Description	Country
AS18734	Operbes, S.A. de C.V.	MX