AS266775: the BANCO CENTRAL DE LA REPUBLICA ARGENTINA network

AS266775 is an internet Autonomous System operated by BANCO CENTRAL DE LA REPUBLICA ARGENTINA (Argentina). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS266775?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS266775 was assigned to BANCO CENTRAL DE LA REPUBLICA ARGENTINA by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS266775 currently announces 1 IPv4 block(s), totaling 512 addresses (512 in all), registered in Argentina. Services from BANCO CENTRAL DE LA REPUBLICA ARGENTINA are reached through these addresses.

What it means to see AS266775 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS266775. That means the other end sits on the BANCO CENTRAL DE LA REPUBLICA ARGENTINA network (Argentina). 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.