AS55615: the DUZONBIZON-AS-KR DOUZONEBIZON network

AS55615 is an internet Autonomous System operated by DUZONBIZON-AS-KR DOUZONEBIZON (South Korea). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS55615?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS55615 was assigned to DUZONBIZON-AS-KR DOUZONEBIZON by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS55615 currently announces 48 IPv4 block(s), totaling about 27.9 thousand addresses (27,904 in all), registered in South Korea. Services from DUZONBIZON-AS-KR DOUZONEBIZON are reached through these addresses.

What it means to see AS55615 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS55615. That means the other end sits on the DUZONBIZON-AS-KR DOUZONEBIZON 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.