AS42473: the AS-ANEXIA ANEXIA Internetdienstleistungs GmbH network

AS42473 is an internet Autonomous System operated by AS-ANEXIA ANEXIA Internetdienstleistungs GmbH (Austria). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS42473?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS42473 was assigned to AS-ANEXIA ANEXIA Internetdienstleistungs GmbH by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS42473 currently announces 83 IPv4 block(s), totaling about 93.4 thousand addresses (93,440 in all), registered in Austria. Services from AS-ANEXIA ANEXIA Internetdienstleistungs GmbH are reached through these addresses.

What it means to see AS42473 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS42473. That means the other end sits on the AS-ANEXIA ANEXIA Internetdienstleistungs GmbH network (Austria). 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.