AS28461: the GRUPO SURNET SA DE CV network

AS28461 is an internet Autonomous System operated by GRUPO SURNET SA DE CV (Mexico). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS28461?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS28461 was assigned to GRUPO SURNET SA DE CV by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS28461 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Mexico. Services from GRUPO SURNET SA DE CV are reached through these addresses.

What it means to see AS28461 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS28461. That means the other end sits on the GRUPO SURNET SA DE CV 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.