AS25144: the TELEKOM-SRPSKE-AS Vuka Karadzica 2 network

AS25144 is an internet Autonomous System operated by TELEKOM-SRPSKE-AS Vuka Karadzica 2 (BA). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS25144?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS25144 was assigned to TELEKOM-SRPSKE-AS Vuka Karadzica 2 by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS25144 currently announces 27 IPv4 block(s), totaling about 108 thousand addresses (108,032 in all), registered in BA. Services from TELEKOM-SRPSKE-AS Vuka Karadzica 2 are reached through these addresses.

What it means to see AS25144 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS25144. That means the other end sits on the TELEKOM-SRPSKE-AS Vuka Karadzica 2 network (BA). 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.