AS27994: the Servicios para el Transporte de Informacion S.A. network

AS27994 is an internet Autonomous System operated by Servicios para el Transporte de Informacion S.A. (Argentina). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS27994?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS27994 was assigned to Servicios para el Transporte de Informacion S.A. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS27994 currently announces 1 IPv4 block(s), totaling about 2 thousand addresses (2,048 in all), registered in Argentina. Services from Servicios para el Transporte de Informacion S.A. are reached through these addresses.

What it means to see AS27994 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS27994. That means the other end sits on the Servicios para el Transporte de Informacion S.A. 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.