AS263120: the STARNET COMUNICACAO MULTIMIDIA LTDA ME network

AS263120 is an internet Autonomous System operated by STARNET COMUNICACAO MULTIMIDIA LTDA ME (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS263120?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS263120 was assigned to STARNET COMUNICACAO MULTIMIDIA LTDA ME by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS263120 currently announces 1 IPv4 block(s), totaling about 2 thousand addresses (2,048 in all), registered in Brazil. Services from STARNET COMUNICACAO MULTIMIDIA LTDA ME are reached through these addresses.

What it means to see AS263120 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS263120. That means the other end sits on the STARNET COMUNICACAO MULTIMIDIA LTDA ME 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.