AS262520: the Prefeitura Municipal de Alfenas network

AS262520 is an internet Autonomous System operated by Prefeitura Municipal de Alfenas (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS262520?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS262520 was assigned to Prefeitura Municipal de Alfenas by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS262520 currently announces 1 IPv4 block(s), totaling about 4.1 thousand addresses (4,096 in all), registered in Brazil. Services from Prefeitura Municipal de Alfenas are reached through these addresses.

What it means to see AS262520 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS262520. That means the other end sits on the Prefeitura Municipal de Alfenas network (Brazil). 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.