AS271922: the LEIRIA HUGO LEANDRO GEO FIBER network

AS271922 is an internet Autonomous System operated by LEIRIA HUGO LEANDRO GEO FIBER (Argentina). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS271922?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS271922 was assigned to LEIRIA HUGO LEANDRO GEO FIBER by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS271922 currently announces 3 IPv4 block(s), totaling about 3.1 thousand addresses (3,072 in all), registered in Argentina. Services from LEIRIA HUGO LEANDRO GEO FIBER are reached through these addresses.

What it means to see AS271922 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS271922. That means the other end sits on the LEIRIA HUGO LEANDRO GEO FIBER network (Argentina). 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.