AS20561: the AS20561-INA network
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Testar grátis 14 dias →AS20561 is an internet Autonomous System operated by AS20561-INA (Germany). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS20561?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS20561 was assigned to AS20561-INA by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS20561 currently announces 1 IPv4 block(s), totaling about 57.3 thousand addresses (57,344 in all), registered in Germany. Services from AS20561-INA are reached through these addresses.
What it means to see AS20561 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS20561. That means the other end sits on the AS20561-INA network (Germany). 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 AS20561?
AS20561 is assigned to AS20561-INA, registered in Germany.
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 AS20561 control?
AS20561 currently announces about 57.3 thousand routed IPv4 addresses.