AS263783: the Telefonica Moviles El Salvador S.A. de C.V. network

AS263783 is an internet Autonomous System operated by Telefonica Moviles El Salvador S.A. de C.V. (SV). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS263783?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS263783 was assigned to Telefonica Moviles El Salvador S.A. de C.V. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS263783 currently announces 32 IPv4 block(s), totaling about 25.6 thousand addresses (25,600 in all), registered in SV. Services from Telefonica Moviles El Salvador S.A. de C.V. are reached through these addresses.

What it means to see AS263783 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS263783. That means the other end sits on the Telefonica Moviles El Salvador S.A. de C.V. network (SV). 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.