AS47903: the JUB-AS network
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Testar grátis 14 dias →AS47903 is an internet Autonomous System operated by JUB-AS (Slovenia). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS47903?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS47903 was assigned to JUB-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS47903 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Slovenia. Services from JUB-AS are reached through these addresses.
What it means to see AS47903 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS47903. That means the other end sits on the JUB-AS network (Slovenia). 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 AS47903?
AS47903 is assigned to JUB-AS, registered in Slovenia.
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 AS47903 control?
AS47903 currently announces 256 routed IPv4 addresses.