AS203476: the GANDI-AS-2 Domain name registrar - www.gandi.net network

AS203476 is an internet Autonomous System operated by GANDI-AS-2 Domain name registrar - www.gandi.net (France). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS203476?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS203476 was assigned to GANDI-AS-2 Domain name registrar - www.gandi.net by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS203476 currently announces 4 IPv4 block(s), totaling about 17.4 thousand addresses (17,408 in all), registered in France. Services from GANDI-AS-2 Domain name registrar - www.gandi.net are reached through these addresses.

What it means to see AS203476 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS203476. That means the other end sits on the GANDI-AS-2 Domain name registrar - www.gandi.net network (France). 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.