AS28538
Cablemas Telecomunicaciones SA de CV
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.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.1.0 — 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.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 177.236.128.0/22 | 1.0K |
0.0%
|
Cablemas Telecomunicaciones SA de CV | MX | Hidalgo | Tula de Allende |
| 177.236.165.0/24 | 256 |
0.0%
|
Cablemas Telecomunicaciones SA de CV | MX | — | — |
| 177.239.236.0/24 | 256 |
0.0%
|
Cablemas Telecomunicaciones SA de CV | MX | — | — |
| 189.215.129.0/24 | 256 |
0.0%
|
Cablemas Telecomunicaciones SA de CV | MX | — | — |
| 189.215.130.0/24 | 256 |
0.0%
|
Cablemas Telecomunicaciones SA de CV | MX | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28538 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 177.236.128.0/23 | 76,823 | 2026-07-18 10:53:07 |
| 177.239.236.0/24 | 55,425 | 2026-07-18 10:53:07 |
| 177.236.165.0/24 | 55,422 | 2026-07-18 10:53:07 |
| 189.215.130.0/24 | 55,414 | 2026-07-18 10:53:07 |
| 189.215.129.0/24 | 55,397 | 2026-07-18 10:53:07 |
| 177.236.130.0/23 | 25,583 | 2026-07-18 10:58:51 |
| 177.236.128.0/22 | 19,233 | 2026-07-18 10:53:07 |
Frequently Asked Questions
What is AS28538?
AS28538 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 AS28538 announce?
AS28538 announces 2.0K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Mexico.
Who operates AS28538?
AS28538 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 AS28538 registered in?
AS28538 is registered in Mexico. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
