AS9993: the CTC-ODC ITOCHU Techno-Solutions Corporation network
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Testar grátis 14 dias →AS9993 is an internet Autonomous System operated by CTC-ODC ITOCHU Techno-Solutions Corporation (Japan). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS9993?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS9993 was assigned to CTC-ODC ITOCHU Techno-Solutions Corporation by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS9993 currently announces 10 IPv4 block(s), totaling about 89.1 thousand addresses (89,088 in all), registered in Japan. Services from CTC-ODC ITOCHU Techno-Solutions Corporation are reached through these addresses.
What it means to see AS9993 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS9993. That means the other end sits on the CTC-ODC ITOCHU Techno-Solutions Corporation 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 AS9993?
AS9993 is assigned to CTC-ODC ITOCHU Techno-Solutions Corporation, 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 AS9993 control?
AS9993 currently announces about 89.1 thousand routed IPv4 addresses.