AS17941: the BIT-ISLE Equinix Japan Enterprise K.K. network
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Testar grátis 14 dias →AS17941 is an internet Autonomous System operated by BIT-ISLE Equinix Japan Enterprise K.K. (Japan). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS17941?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS17941 was assigned to BIT-ISLE Equinix Japan Enterprise K.K. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS17941 currently announces 2 IPv4 block(s), totaling 512 addresses (512 in all), registered in Japan. Services from BIT-ISLE Equinix Japan Enterprise K.K. are reached through these addresses.
What it means to see AS17941 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS17941. That means the other end sits on the BIT-ISLE Equinix Japan Enterprise K.K. 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 AS17941?
AS17941 is assigned to BIT-ISLE Equinix Japan Enterprise K.K., 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 AS17941 control?
AS17941 currently announces 512 routed IPv4 addresses.