AS133210: the ENTECHNOLOGIES-AS-AP EN Technologies Pte Ltd network

AS133210 is an internet Autonomous System operated by ENTECHNOLOGIES-AS-AP EN Technologies Pte Ltd (Singapore). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS133210?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS133210 was assigned to ENTECHNOLOGIES-AS-AP EN Technologies Pte Ltd by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS133210 currently announces 14 IPv4 block(s), totaling about 4.4 thousand addresses (4,352 in all), registered in Singapore. Services from ENTECHNOLOGIES-AS-AP EN Technologies Pte Ltd are reached through these addresses.

What it means to see AS133210 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS133210. That means the other end sits on the ENTECHNOLOGIES-AS-AP EN Technologies Pte Ltd network (Singapore). 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.