AS142453: the FASTJET-AS-IN FASTJET TELECOM PRIVATE LIMITED network

AS142453 is an internet Autonomous System operated by FASTJET-AS-IN FASTJET TELECOM PRIVATE LIMITED (India). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS142453?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS142453 was assigned to FASTJET-AS-IN FASTJET TELECOM PRIVATE LIMITED by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS142453 currently announces 2 IPv4 block(s), totaling about 1.5 thousand addresses (1,536 in all), registered in India. Services from FASTJET-AS-IN FASTJET TELECOM PRIVATE LIMITED are reached through these addresses.

What it means to see AS142453 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS142453. That means the other end sits on the FASTJET-AS-IN FASTJET TELECOM PRIVATE LIMITED network (India). 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.