AS154177: the LIGHT4-AS-AP LIGHT NODE LIMITED network

AS154177 is an internet Autonomous System operated by LIGHT4-AS-AP LIGHT NODE LIMITED (Hong Kong). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS154177?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS154177 was assigned to LIGHT4-AS-AP LIGHT NODE LIMITED by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS154177 currently announces 79 IPv4 block(s), totaling about 98.3 thousand addresses (98,304 in all), registered in Hong Kong. Services from LIGHT4-AS-AP LIGHT NODE LIMITED are reached through these addresses.

What it means to see AS154177 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS154177. That means the other end sits on the LIGHT4-AS-AP LIGHT NODE LIMITED network (Hong Kong). 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.