AS149428: the CODE200-AS-AP Code200, UAB network

AS149428 is an internet Autonomous System operated by CODE200-AS-AP Code200, UAB (Japan). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS149428?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS149428 was assigned to CODE200-AS-AP Code200, UAB by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS149428 currently announces 11 IPv4 block(s), totaling about 3.6 thousand addresses (3,584 in all), registered in Japan. Services from CODE200-AS-AP Code200, UAB are reached through these addresses.

What it means to see AS149428 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS149428. That means the other end sits on the CODE200-AS-AP Code200, UAB 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.