AS26606: the Cia de Proc. de Dado do Municipio de Porto Alegre network

AS26606 is an internet Autonomous System operated by Cia de Proc. de Dado do Municipio de Porto Alegre (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS26606?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS26606 was assigned to Cia de Proc. de Dado do Municipio de Porto Alegre by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS26606 currently announces 3 IPv4 block(s), totaling about 12.3 thousand addresses (12,288 in all), registered in Brazil. Services from Cia de Proc. de Dado do Municipio de Porto Alegre are reached through these addresses.

What it means to see AS26606 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS26606. That means the other end sits on the Cia de Proc. de Dado do Municipio de Porto Alegre 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.