AS25621: the ASN-GENESIS network
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Testar grátis 14 dias →AS25621 is an internet Autonomous System operated by ASN-GENESIS (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 AS25621?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS25621 was assigned to ASN-GENESIS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS25621 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in the United States. Services from ASN-GENESIS are reached through these addresses.
What it means to see AS25621 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS25621. That means the other end sits on the ASN-GENESIS 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 AS25621?
AS25621 is assigned to ASN-GENESIS, 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 AS25621 control?
AS25621 currently announces 256 routed IPv4 addresses.