AS45193: the AS45193 FSM Telecommunications Corporation network

AS45193 is an internet Autonomous System operated by AS45193 FSM Telecommunications Corporation (FM). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS45193?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS45193 was assigned to AS45193 FSM Telecommunications Corporation by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS45193 currently announces 2 IPv4 block(s), totaling about 1.8 thousand addresses (1,792 in all), registered in FM. Services from AS45193 FSM Telecommunications Corporation are reached through these addresses.

What it means to see AS45193 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS45193. That means the other end sits on the AS45193 FSM Telecommunications Corporation network (FM). 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.