AS51219: the K2_INT network
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Testar grátis 14 dias →AS51219 is an internet Autonomous System operated by K2_INT (Russia). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS51219?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS51219 was assigned to K2_INT by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS51219 currently announces 22 IPv4 block(s), totaling about 18.2 thousand addresses (18,176 in all), registered in Russia. Services from K2_INT are reached through these addresses.
What it means to see AS51219 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS51219. That means the other end sits on the K2_INT 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 AS51219?
AS51219 is assigned to K2_INT, 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 AS51219 control?
AS51219 currently announces about 18.2 thousand routed IPv4 addresses.