ASN AS28509 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS28509?

AS28509 is listed under izzi Telecom.

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.

AS28509 izzi Telecom | IPGeolocation.io

izzi Telecom izzi.mx

MX 480 Routes

AS Data

AS28509

AS28509 – izzi Telecom

AS Number	28509
AS Name	MX-CTSC6-LACNIC
Organization	izzi Telecom
Country	MX
Website	izzi.mx
Number of IPv4 Routes	371
Number of IPv6 Routes	109
ASN type	ISP
Registry	lacnic
Date Allocated	2005-04-25

ASN Intelligence API for production workflows

Use ASN data for AS28509 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
187.253.72.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
187.252.168.0/21	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	2048
177.239.119.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
200.79.208.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
200.77.200.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
189.214.162.0/23	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	512
187.252.176.0/20	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	4096
187.252.85.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
189.220.177.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.238.208.0/21	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	2048
189.215.144.0/22	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	1024
189.221.228.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
201.166.69.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
200.79.214.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
189.221.233.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
189.220.96.0/20	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	4096
189.215.12.0/22	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	1024
201.160.187.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.238.16.0/21	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	2048
189.221.203.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
201.166.74.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.236.0.0/21	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	2048
189.214.184.0/21	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	2048
177.236.192.0/22	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	1024
187.253.173.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.239.88.0/21	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	2048
189.215.250.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.239.240.0/21	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	2048
177.238.24.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
189.220.176.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
189.220.236.0/23	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	512
187.253.252.0/24	AS28509	izzi Telecom	CHILPANCINGO INN SA DE CV	256
189.221.48.0/20	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	4096
177.239.237.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.239.118.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.236.166.0/23	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	512
201.140.196.0/23	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	512
177.238.212.0/22	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	1024
187.185.112.0/20	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	4096
189.214.40.0/21	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	2048
187.185.180.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
189.220.0.0/20	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	4096
201.140.194.0/23	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	512
200.79.209.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
189.215.244.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.236.32.0/20	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	4096
187.252.1.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
189.220.178.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
187.253.67.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
187.252.24.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.236.216.0/22	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	1024
187.252.90.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
187.253.172.0/23	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	512
189.220.248.0/22	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	1024
201.140.202.0/23	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	512
201.160.12.0/22	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	1024
187.185.80.0/22	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	1024
177.238.239.0/24	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	256
177.238.148.0/22	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	1024
2806:250:810::/44	AS28509	izzi Telecom	Cablemas Telecomunicaciones SA de CV	~19×10²⁴

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.
%  2026-09-29 12:15:25 (Z Z)

aut-num:     AS28509
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:     20050425
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" : "AS28509",
    "country" : "MX",
    "admin_contacts" : [ "FRL5" ],
    "tech_contacts" : [ "FRL5" ],
    "abuse_contacts" : [ "FRL5" ],
    "date_created" : "2005-04-25",
    "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" : "2005-04-25",
    "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
AS64742
AS6762	TELECOM ITALIA SPARKLE S.p.A.	IT
AS64735
AS18734	Operbes, S.A. de C.V.	MX
AS1239	Cogent Communications, LLC	US
AS28554	Cablemas Telecomunicaciones SA de CV	MX
AS174	Cogent Communications, LLC	US
AS64734	ASN block not managed by the RIPE NCC
AS11888	Television Internacional, S.A. de C.V.	MX
AS32098	Transtelco Inc	US
AS64900	ASN block not managed by the RIPE NCC
AS28545	Cablemas Telecomunicaciones SA de CV	MX
AS28556	Cablemas Telecomunicaciones SA de CV	MX

Upstreams

AS Number	Description	Country
AS32098	Transtelco Inc	US
AS6762	TELECOM ITALIA SPARKLE S.p.A.	IT
AS18734	Operbes, S.A. de C.V.	MX
AS28554	Cablemas Telecomunicaciones SA de CV	MX
AS174	Cogent Communications, LLC	US
AS28545	Cablemas Telecomunicaciones SA de CV	MX

Downstreams

AS Number	Description	Country
AS11888	Television Internacional, S.A. de C.V.	MX
AS6762	TELECOM ITALIA SPARKLE S.p.A.	IT
AS174	Cogent Communications, LLC	US
AS28556	Cablemas Telecomunicaciones SA de CV	MX

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