AS52233: the Columbus Communications Curacao NV network

AS52233 is an internet Autonomous System operated by Columbus Communications Curacao NV (CW). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS52233?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS52233 was assigned to Columbus Communications Curacao NV by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS52233 currently announces 23 IPv4 block(s), totaling about 50.2 thousand addresses (50,176 in all), registered in CW. Services from Columbus Communications Curacao NV are reached through these addresses.

What it means to see AS52233 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS52233. That means the other end sits on the Columbus Communications Curacao NV network (CW). 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.