AS53238: the Chapeco Tecnologia em Telecomunicacoes Ltda. network

AS53238 is an internet Autonomous System operated by Chapeco Tecnologia em Telecomunicacoes Ltda. (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS53238?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS53238 was assigned to Chapeco Tecnologia em Telecomunicacoes Ltda. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS53238 currently announces 3 IPv4 block(s), totaling about 7.2 thousand addresses (7,168 in all), registered in Brazil. Services from Chapeco Tecnologia em Telecomunicacoes Ltda. are reached through these addresses.

What it means to see AS53238 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS53238. That means the other end sits on the Chapeco Tecnologia em Telecomunicacoes Ltda. 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.