AS24853: the DBC-AS Danish Bibliographic Centre AS supplies access to bibliographic network

AS24853 is an internet Autonomous System operated by DBC-AS Danish Bibliographic Centre AS supplies access to bibliographic (Denmark). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS24853?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS24853 was assigned to DBC-AS Danish Bibliographic Centre AS supplies access to bibliographic by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS24853 currently announces 2 IPv4 block(s), totaling about 1.3 thousand addresses (1,280 in all), registered in Denmark. Services from DBC-AS Danish Bibliographic Centre AS supplies access to bibliographic are reached through these addresses.

What it means to see AS24853 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS24853. That means the other end sits on the DBC-AS Danish Bibliographic Centre AS supplies access to bibliographic network (Denmark). 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.