AS401521: the KSWOTV network
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Testar grátis 14 dias →AS401521 is an internet Autonomous System operated by KSWOTV (the United States). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS401521?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS401521 was assigned to KSWOTV by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS401521 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in the United States. Services from KSWOTV are reached through these addresses.
What it means to see AS401521 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS401521. That means the other end sits on the KSWOTV network (the United States). 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 AS401521?
AS401521 is assigned to KSWOTV, registered in the United States.
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 AS401521 control?
AS401521 currently announces 256 routed IPv4 addresses.