AS152865: the LC-NET Tokyo University of Technology Linux Club network

AS152865 is an internet Autonomous System operated by LC-NET Tokyo University of Technology Linux Club (Japan). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS152865?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS152865 was assigned to LC-NET Tokyo University of Technology Linux Club by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS152865 currently announces 1 IPv4 block(s), totaling 512 addresses (512 in all), registered in Japan. Services from LC-NET Tokyo University of Technology Linux Club are reached through these addresses.

What it means to see AS152865 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS152865. That means the other end sits on the LC-NET Tokyo University of Technology Linux Club network (Japan). 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.