AS214757: the JAKUB-KRSA network
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Testar grátis 14 dias →AS214757 is an internet Autonomous System operated by JAKUB-KRSA (Czechia). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS214757?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS214757 was assigned to JAKUB-KRSA by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS214757 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Czechia. Services from JAKUB-KRSA are reached through these addresses.
What it means to see AS214757 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS214757. That means the other end sits on the JAKUB-KRSA network (Czechia). 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 AS214757?
AS214757 is assigned to JAKUB-KRSA, registered in Czechia.
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 AS214757 control?
AS214757 currently announces 256 routed IPv4 addresses.