AS31027: the GLOBALCONNECT-AS31027 network

AS31027 is an internet Autonomous System operated by GLOBALCONNECT-AS31027 (Denmark). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS31027?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS31027 was assigned to GLOBALCONNECT-AS31027 by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS31027 currently announces 116 IPv4 block(s), totaling about 381.4 thousand addresses (381,440 in all), registered in Denmark. Services from GLOBALCONNECT-AS31027 are reached through these addresses.

What it means to see AS31027 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS31027. That means the other end sits on the GLOBALCONNECT-AS31027 network (Denmark). 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.