AS33374: the BSI network
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Testar grátis 14 dias →AS33374 is an internet Autonomous System operated by BSI (Canada). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS33374?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS33374 was assigned to BSI by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS33374 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Canada. Services from BSI are reached through these addresses.
What it means to see AS33374 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS33374. That means the other end sits on the BSI 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.
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Perguntas frequentes
Who owns AS33374?
AS33374 is assigned to BSI, registered in Canada.
What is an ASN (Autonomous System)?
It is a unique number identifying a network with its own routing policy on the internet. RIRs (regional registries) assign these numbers to carriers, ISPs and companies.
How many IP addresses does AS33374 control?
AS33374 currently announces 256 routed IPv4 addresses.