AS51971: the SKOLKOVO network
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Testar grátis 14 dias →AS51971 is an internet Autonomous System operated by SKOLKOVO (Russia). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS51971?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS51971 was assigned to SKOLKOVO by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS51971 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Russia. Services from SKOLKOVO are reached through these addresses.
What it means to see AS51971 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS51971. That means the other end sits on the SKOLKOVO network (Russia). 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 AS51971?
AS51971 is assigned to SKOLKOVO, registered in Russia.
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 AS51971 control?
AS51971 currently announces 256 routed IPv4 addresses.