AS9578: the CJNET-AS Cheiljedang.Co.Inc. network
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Testar grátis 14 dias →AS9578 is an internet Autonomous System operated by CJNET-AS Cheiljedang.Co.Inc. (South Korea). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS9578?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS9578 was assigned to CJNET-AS Cheiljedang.Co.Inc. by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS9578 currently announces 18 IPv4 block(s), totaling about 21 thousand addresses (20,992 in all), registered in South Korea. Services from CJNET-AS Cheiljedang.Co.Inc. are reached through these addresses.
What it means to see AS9578 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS9578. That means the other end sits on the CJNET-AS Cheiljedang.Co.Inc. network (South Korea). 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 AS9578?
AS9578 is assigned to CJNET-AS Cheiljedang.Co.Inc., registered in South Korea.
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 AS9578 control?
AS9578 currently announces about 21 thousand routed IPv4 addresses.