AS28952: the O2BS network
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Testar grátis 14 dias →AS28952 is an internet Autonomous System operated by O2BS (Slovakia). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS28952?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS28952 was assigned to O2BS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS28952 currently announces 9 IPv4 block(s), totaling about 43.3 thousand addresses (43,264 in all), registered in Slovakia. Services from O2BS are reached through these addresses.
What it means to see AS28952 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS28952. That means the other end sits on the O2BS network (Slovakia). 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 AS28952?
AS28952 is assigned to O2BS, registered in Slovakia.
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 AS28952 control?
AS28952 currently announces about 43.3 thousand routed IPv4 addresses.