AS9104: the CLIO-AS network
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Testar grátis 14 dias →AS9104 is an internet Autonomous System operated by CLIO-AS (Italy). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS9104?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS9104 was assigned to CLIO-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS9104 currently announces 3 IPv4 block(s), totaling about 17.4 thousand addresses (17,408 in all), registered in Italy. Services from CLIO-AS are reached through these addresses.
What it means to see AS9104 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS9104. That means the other end sits on the CLIO-AS network (Italy). 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 AS9104?
AS9104 is assigned to CLIO-AS, registered in Italy.
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 AS9104 control?
AS9104 currently announces about 17.4 thousand routed IPv4 addresses.