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Autonomous System

AS28512

Cablemas Telecomunicaciones SA de CV

Announced IPs
91,136
CIDR prefixes
36
ASN
AS28512

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

About Izzi

izzi is a Mexican telecommunications company owned by Grupo Televisa and operated by Televisión Internacional, S.A. de C.V.

Founded
1960
Headquarters
Mexico City
Industry
telecommunications

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
177.237.64.0/18 16.4K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo San Miguel de Cozumel
187.252.32.0/19 8.2K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo San Miguel de Cozumel
200.79.224.0/19 8.2K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo San Miguel de Cozumel
177.237.48.0/20 4.1K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo Solidaridad
187.185.208.0/20 4.1K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo San Miguel de Cozumel
187.252.192.0/20 4.1K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo Solidaridad
187.253.176.0/20 4.1K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo San Miguel de Cozumel
189.202.112.0/20 4.1K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo San Miguel de Cozumel
189.214.80.0/20 4.1K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo San Miguel de Cozumel
189.215.64.0/20 4.1K
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
189.221.112.0/20 4.1K
96.1%
Cablemas Telecomunicaciones SA de CV MX — —
189.221.128.0/20 4.1K
96.3%
Cablemas Telecomunicaciones SA de CV MX — —
201.166.16.0/20 4.1K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo San Miguel de Cozumel
187.184.232.0/21 2.0K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo Solidaridad
187.184.240.0/21 2.0K
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo Solidaridad
187.253.144.0/21 2.0K
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
189.202.96.0/21 2.0K
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
189.221.144.0/21 2.0K
96.6%
Cablemas Telecomunicaciones SA de CV MX — —
189.221.248.0/21 2.0K
95.4%
Cablemas Telecomunicaciones SA de CV MX — —
187.185.158.0/23 512
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
187.252.2.0/23 512
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
187.253.26.0/23 512
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo Isla Mujeres
177.239.230.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
187.185.64.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
187.185.71.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX Guerrero Acapulco de Juárez
187.185.157.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo San Miguel de Cozumel
187.252.4.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
187.252.10.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
187.252.84.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
187.252.153.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
187.252.164.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
187.253.202.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
189.215.40.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX Quintana Roo Juárez
189.215.135.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
189.215.200.0/24 256
0.0%
Cablemas Telecomunicaciones SA de CV MX — —
189.220.42.0/24 256
94.5%
Cablemas Telecomunicaciones SA de CV MX — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS28512 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
187.252.200.0/21 277,827 2026-11-13 16:13:23
189.214.80.0/20 216,887 2026-11-13 16:13:23
189.221.128.0/20 215,080 2026-11-13 16:13:23
189.221.144.0/21 214,945 2026-11-13 16:13:23
189.221.120.0/22 214,768 2026-11-13 16:13:23
187.252.32.0/19 180,838 2026-11-13 16:13:23
187.185.208.0/20 176,312 2026-11-13 16:13:23
189.220.42.0/24 175,356 2026-11-13 16:13:23
177.237.96.0/20 174,804 2026-11-13 16:13:23
177.237.112.0/20 174,685 2026-11-13 16:13:23
189.202.100.0/22 174,431 2026-11-13 16:13:23
189.221.248.0/21 174,331 2026-11-13 16:13:23
189.221.112.0/21 174,141 2026-11-13 16:13:23
187.253.26.0/23 173,428 2026-11-13 16:13:23
201.166.24.0/21 172,486 2026-11-13 16:13:23
177.237.90.0/23 171,179 2026-11-13 16:13:23
187.252.3.0/24 170,456 2026-11-13 16:13:23
187.252.4.0/24 170,360 2026-11-13 16:13:23
187.252.153.0/24 169,868 2026-11-13 16:13:23
187.252.164.0/24 169,224 2026-11-13 16:13:23
189.202.112.0/20 167,747 2026-11-13 16:13:23
177.237.48.0/20 165,495 2026-11-13 16:13:23
177.237.80.0/20 165,364 2026-11-13 16:13:23
187.185.64.0/24 162,652 2026-11-13 16:13:23
189.215.200.0/24 160,881 2026-11-13 16:13:23
177.239.230.0/24 153,458 2026-11-13 16:13:23
187.252.10.0/24 142,105 2026-11-13 16:13:23
189.214.92.0/23 138,763 2026-11-13 16:13:23
187.185.157.0/24 137,410 2026-11-13 16:13:23
187.184.232.0/21 135,700 2026-11-13 16:13:23
187.253.184.0/21 135,244 2026-11-13 16:13:23
177.237.64.0/20 134,357 2026-11-13 16:13:23
187.253.182.0/23 132,900 2026-11-13 16:13:23
187.185.221.0/24 132,143 2026-11-13 16:13:23
201.166.16.0/21 130,596 2026-11-13 16:13:23
189.214.94.0/23 127,997 2026-11-13 16:13:23
177.237.116.0/23 126,472 2026-11-13 16:13:23
187.252.192.0/21 122,994 2026-11-13 16:13:23
200.79.224.0/20 120,777 2026-11-13 16:13:23
187.185.71.0/24 111,228 2026-11-13 16:13:23
187.252.2.0/24 105,561 2026-11-13 16:13:23
187.252.192.0/20 105,017 2026-11-13 16:13:23
187.253.202.0/24 104,090 2026-11-13 16:13:23
189.215.64.0/20 104,087 2026-11-13 16:13:23
189.215.40.0/24 98,231 2026-11-13 16:13:23
187.185.159.0/24 84,013 2026-11-13 16:13:22
187.185.158.0/24 83,811 2026-11-13 16:13:22
189.221.124.0/22 83,630 2026-11-13 16:13:22
187.253.178.0/23 83,515 2026-11-13 16:13:22
187.253.180.0/23 83,401 2026-11-13 16:13:22

Showing top 50 of 72 announced prefixes by sample volume.

Frequently Asked Questions

What is AS28512?

AS28512 is an Autonomous System Number assigned to Cablemas Telecomunicaciones SA de CV. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS28512 announce?

AS28512 announces 91.1K IPv4 addresses distributed across 36 routed CIDR prefixes. The network is registered in Mexico.

Who operates AS28512?

AS28512 is operated by Cablemas Telecomunicaciones SA de CV. The organization is based in Mexico. You can view all IP ranges and related ASNs on the organization page.

What country is AS28512 registered in?

AS28512 is registered in Mexico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-13 16:24:05 UTC
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