AS398833: the BIS-BOMBARDIER-INFORMATION-SOLUTIONS-PUBLIC-ASN-01 network

AS398833 is an internet Autonomous System operated by BIS-BOMBARDIER-INFORMATION-SOLUTIONS-PUBLIC-ASN-01 (Canada). Here is what that means and why this number may show up when you investigate a connection on your network.

What is AS398833?

An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS398833 was assigned to BIS-BOMBARDIER-INFORMATION-SOLUTIONS-PUBLIC-ASN-01 by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.

Reach on the internet

AS398833 currently announces 10 IPv4 block(s), totaling about 7.4 thousand addresses (7,424 in all), registered in Canada. Services from BIS-BOMBARDIER-INFORMATION-SOLUTIONS-PUBLIC-ASN-01 are reached through these addresses.

What it means to see AS398833 on your network

When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS398833. That means the other end sits on the BIS-BOMBARDIER-INFORMATION-SOLUTIONS-PUBLIC-ASN-01 network (Canada). 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.