AS271119: the LIBRE TELECOM EIRELI network

AS271119 is an internet Autonomous System operated by LIBRE TELECOM EIRELI (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS271119?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS271119 was assigned to LIBRE TELECOM EIRELI by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS271119 currently announces 2 IPv4 block(s), totaling 768 addresses (768 in all), registered in Brazil. Services from LIBRE TELECOM EIRELI are reached through these addresses.

What it means to see AS271119 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS271119. That means the other end sits on the LIBRE TELECOM EIRELI 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.