AS139876: the COSCOSHIPPING-AS-AP COSCO SHIPPING LINES NEW ZEALAND LIMITED network

AS139876 is an internet Autonomous System operated by COSCOSHIPPING-AS-AP COSCO SHIPPING LINES NEW ZEALAND LIMITED (New Zealand). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS139876?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS139876 was assigned to COSCOSHIPPING-AS-AP COSCO SHIPPING LINES NEW ZEALAND LIMITED by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS139876 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in New Zealand. Services from COSCOSHIPPING-AS-AP COSCO SHIPPING LINES NEW ZEALAND LIMITED are reached through these addresses.

What it means to see AS139876 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS139876. That means the other end sits on the COSCOSHIPPING-AS-AP COSCO SHIPPING LINES NEW ZEALAND LIMITED network (New Zealand). 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.