AS18128: the RIKEN RIKEN network
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Testar grátis 14 dias →AS18128 is an internet Autonomous System operated by RIKEN RIKEN (Japan). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS18128?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS18128 was assigned to RIKEN RIKEN by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS18128 currently announces 2 IPv4 block(s), totaling about 64.5 thousand addresses (64,512 in all), registered in Japan. Services from RIKEN RIKEN are reached through these addresses.
What it means to see AS18128 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS18128. That means the other end sits on the RIKEN RIKEN 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 AS18128?
AS18128 is assigned to RIKEN RIKEN, 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 AS18128 control?
AS18128 currently announces about 64.5 thousand routed IPv4 addresses.