AS51097: the BNG network
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Testar grátis 14 dias →AS51097 is an internet Autonomous System operated by BNG (the Netherlands). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS51097?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS51097 was assigned to BNG by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS51097 currently announces 1 IPv4 block(s), totaling about 2 thousand addresses (2,048 in all), registered in the Netherlands. Services from BNG are reached through these addresses.
What it means to see AS51097 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS51097. That means the other end sits on the BNG network (the Netherlands). 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 AS51097?
AS51097 is assigned to BNG, registered in the Netherlands.
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 AS51097 control?
AS51097 currently announces about 2 thousand routed IPv4 addresses.