AS131662: the DENPAIO Denpa Ltd. network

AS131662 is an internet Autonomous System operated by DENPAIO Denpa Ltd. (Taiwan). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS131662?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS131662 was assigned to DENPAIO Denpa Ltd. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS131662 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Taiwan. Services from DENPAIO Denpa Ltd. are reached through these addresses.

What it means to see AS131662 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS131662. That means the other end sits on the DENPAIO Denpa Ltd. network (Taiwan). 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.