AS270172: the Guillermo Robles Ramirez network

AS270172 is an internet Autonomous System operated by Guillermo Robles Ramirez (Mexico). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS270172?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS270172 was assigned to Guillermo Robles Ramirez by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS270172 currently announces 6 IPv4 block(s), totaling about 2.8 thousand addresses (2,816 in all), registered in Mexico. Services from Guillermo Robles Ramirez are reached through these addresses.

What it means to see AS270172 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS270172. That means the other end sits on the Guillermo Robles Ramirez 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.