AS17598: the YBNTV-AS-KR LG HelloVision Corp. network

AS17598 is an internet Autonomous System operated by YBNTV-AS-KR LG HelloVision Corp. (South Korea). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS17598?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS17598 was assigned to YBNTV-AS-KR LG HelloVision Corp. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS17598 currently announces 12 IPv4 block(s), totaling about 74.5 thousand addresses (74,496 in all), registered in South Korea. Services from YBNTV-AS-KR LG HelloVision Corp. are reached through these addresses.

What it means to see AS17598 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS17598. That means the other end sits on the YBNTV-AS-KR LG HelloVision Corp. 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.