AS25447: the JM-DATA Hackl-Str. 1, Object 2 network

AS25447 is an internet Autonomous System operated by JM-DATA Hackl-Str. 1, Object 2 (Austria). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS25447?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS25447 was assigned to JM-DATA Hackl-Str. 1, Object 2 by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS25447 currently announces 22 IPv4 block(s), totaling about 57.1 thousand addresses (57,088 in all), registered in Austria. Services from JM-DATA Hackl-Str. 1, Object 2 are reached through these addresses.

What it means to see AS25447 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS25447. That means the other end sits on the JM-DATA Hackl-Str. 1, Object 2 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.