AS45677: the ICV Isahaya Cable Media Co.,Ltd network
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Testar grátis 14 dias →AS45677 is an internet Autonomous System operated by ICV Isahaya Cable Media 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 AS45677?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS45677 was assigned to ICV Isahaya Cable Media Co.,Ltd by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS45677 currently announces 3 IPv4 block(s), totaling about 9.2 thousand addresses (9,216 in all), registered in Japan. Services from ICV Isahaya Cable Media Co.,Ltd are reached through these addresses.
What it means to see AS45677 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS45677. That means the other end sits on the ICV Isahaya Cable Media 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 AS45677?
AS45677 is assigned to ICV Isahaya Cable Media 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 AS45677 control?
AS45677 currently announces about 9.2 thousand routed IPv4 addresses.