AS271029: the Estado de Roraima network

AS271029 is an internet Autonomous System operated by Estado de Roraima (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS271029?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS271029 was assigned to Estado de Roraima by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS271029 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Brazil. Services from Estado de Roraima are reached through these addresses.

What it means to see AS271029 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS271029. That means the other end sits on the Estado de Roraima 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.