AS51358: the RADIOACTIVE-AS network
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Testar grátis 14 dias →AS51358 is an internet Autonomous System operated by RADIOACTIVE-AS (Bulgaria). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS51358?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS51358 was assigned to RADIOACTIVE-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS51358 currently announces 2 IPv4 block(s), totaling 512 addresses (512 in all), registered in Bulgaria. Services from RADIOACTIVE-AS are reached through these addresses.
What it means to see AS51358 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS51358. That means the other end sits on the RADIOACTIVE-AS network (Bulgaria). 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 AS51358?
AS51358 is assigned to RADIOACTIVE-AS, registered in Bulgaria.
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 AS51358 control?
AS51358 currently announces 512 routed IPv4 addresses.