AS23783: the CNA Cable Networks Akita Co.,ltd. network
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Testar grátis 14 dias →AS23783 is an internet Autonomous System operated by CNA Cable Networks Akita Co.,ltd. (Japan). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS23783?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS23783 was assigned to CNA Cable Networks Akita Co.,ltd. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS23783 currently announces 12 IPv4 block(s), totaling about 50.9 thousand addresses (50,944 in all), registered in Japan. Services from CNA Cable Networks Akita Co.,ltd. are reached through these addresses.
What it means to see AS23783 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS23783. That means the other end sits on the CNA Cable Networks Akita Co.,ltd. network (Japan). 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 AS23783?
AS23783 is assigned to CNA Cable Networks Akita Co.,ltd., registered in Japan.
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 AS23783 control?
AS23783 currently announces about 50.9 thousand routed IPv4 addresses.