AS12348: the AS12348 Hermann-Glockner-Str. 7 network

AS12348 is an internet Autonomous System operated by AS12348 Hermann-Glockner-Str. 7 (Germany). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS12348?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS12348 was assigned to AS12348 Hermann-Glockner-Str. 7 by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS12348 currently announces 10 IPv4 block(s), totaling about 14.8 thousand addresses (14,848 in all), registered in Germany. Services from AS12348 Hermann-Glockner-Str. 7 are reached through these addresses.

What it means to see AS12348 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS12348. That means the other end sits on the AS12348 Hermann-Glockner-Str. 7 network (Germany). 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.