AS57208: the ADVANIA-IMP- network
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Testar grátis 14 dias →AS57208 is an internet Autonomous System operated by ADVANIA-IMP- (Sweden). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS57208?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS57208 was assigned to ADVANIA-IMP- by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS57208 currently announces 15 IPv4 block(s), totaling about 16.4 thousand addresses (16,384 in all), registered in Sweden. Services from ADVANIA-IMP- are reached through these addresses.
What it means to see AS57208 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS57208. That means the other end sits on the ADVANIA-IMP- network (Sweden). 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 AS57208?
AS57208 is assigned to ADVANIA-IMP-, registered in Sweden.
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 AS57208 control?
AS57208 currently announces about 16.4 thousand routed IPv4 addresses.