AS28218: the Tv Cabo de Presidente Venceslau SS Ltda. EPP network

AS28218 is an internet Autonomous System operated by Tv Cabo de Presidente Venceslau SS Ltda. EPP (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS28218?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS28218 was assigned to Tv Cabo de Presidente Venceslau SS Ltda. EPP by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS28218 currently announces 4 IPv4 block(s), totaling about 7.4 thousand addresses (7,424 in all), registered in Brazil. Services from Tv Cabo de Presidente Venceslau SS Ltda. EPP are reached through these addresses.

What it means to see AS28218 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS28218. That means the other end sits on the Tv Cabo de Presidente Venceslau SS Ltda. EPP 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.