AS131815: the NHFIRE-AS-KR Nonghyup Property and Casualty Insurance Co.,Ltd network

AS131815 is an internet Autonomous System operated by NHFIRE-AS-KR Nonghyup Property and Casualty Insurance Co.,Ltd (South Korea). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS131815?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS131815 was assigned to NHFIRE-AS-KR Nonghyup Property and Casualty Insurance Co.,Ltd by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS131815 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in South Korea. Services from NHFIRE-AS-KR Nonghyup Property and Casualty Insurance Co.,Ltd are reached through these addresses.

What it means to see AS131815 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS131815. That means the other end sits on the NHFIRE-AS-KR Nonghyup Property and Casualty Insurance Co.,Ltd 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.