AS52463: the Banco Nacional de Costa Rica BNCR network

AS52463 is an internet Autonomous System operated by Banco Nacional de Costa Rica BNCR (Costa Rica). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS52463?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS52463 was assigned to Banco Nacional de Costa Rica BNCR by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS52463 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Costa Rica. Services from Banco Nacional de Costa Rica BNCR are reached through these addresses.

What it means to see AS52463 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS52463. That means the other end sits on the Banco Nacional de Costa Rica BNCR network (Costa Rica). 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.