AS131822: the KNUT-AS-KR Korea National University of Transportation network

AS131822 is an internet Autonomous System operated by KNUT-AS-KR Korea National University of Transportation (South Korea). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS131822?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS131822 was assigned to KNUT-AS-KR Korea National University of Transportation by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS131822 currently announces 13 IPv4 block(s), totaling about 13.1 thousand addresses (13,056 in all), registered in South Korea. Services from KNUT-AS-KR Korea National University of Transportation are reached through these addresses.

What it means to see AS131822 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS131822. That means the other end sits on the KNUT-AS-KR Korea National University of Transportation network (South Korea). 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.