AS28506: the Sistemas de Communicacion GM S.A. de C.V. network

AS28506 is an internet Autonomous System operated by Sistemas de Communicacion GM S.A. de C.V. (Mexico). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS28506?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS28506 was assigned to Sistemas de Communicacion GM S.A. de C.V. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS28506 currently announces 9 IPv4 block(s), totaling about 5.6 thousand addresses (5,632 in all), registered in Mexico. Services from Sistemas de Communicacion GM S.A. de C.V. are reached through these addresses.

What it means to see AS28506 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS28506. That means the other end sits on the Sistemas de Communicacion GM S.A. de C.V. network (Mexico). It can be legitimate — a cloud service, an ISP, a CDN — or an unexpected connection worth checking.

How to see every connection and network your devices reach

Tracing one connection's ASN at a time is tedious. Sentinela, by PC Monitor, maps the devices on your network, shows what is exposed to the internet and helps flag suspicious connections and devices — running on your Windows. Meet Sentinela.