AS211507: the LAIN we love lain, cats and the world wide web network

AS211507 is an internet Autonomous System operated by LAIN we love lain, cats and the world wide web (Germany). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS211507?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS211507 was assigned to LAIN we love lain, cats and the world wide web by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS211507 currently announces 11 IPv4 block(s), totaling about 3.1 thousand addresses (3,072 in all), registered in Germany. Services from LAIN we love lain, cats and the world wide web are reached through these addresses.

What it means to see AS211507 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS211507. That means the other end sits on the LAIN we love lain, cats and the world wide web 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.