AS30905: the HRRBA-AS Zagreb network
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Testar grátis 14 dias →AS30905 is an internet Autonomous System operated by HRRBA-AS Zagreb (Croatia). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS30905?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS30905 was assigned to HRRBA-AS Zagreb by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS30905 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Croatia. Services from HRRBA-AS Zagreb are reached through these addresses.
What it means to see AS30905 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS30905. That means the other end sits on the HRRBA-AS Zagreb network (Croatia). 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 AS30905?
AS30905 is assigned to HRRBA-AS Zagreb, registered in Croatia.
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 AS30905 control?
AS30905 currently announces 256 routed IPv4 addresses.