AS202858: the ALASTAIRBARB network
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Testar grátis 14 dias →AS202858 is an internet Autonomous System operated by ALASTAIRBARB (Finland). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS202858?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS202858 was assigned to ALASTAIRBARB by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS202858 currently announces 2 IPv4 block(s), totaling 512 addresses (512 in all), registered in Finland. Services from ALASTAIRBARB are reached through these addresses.
What it means to see AS202858 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS202858. That means the other end sits on the ALASTAIRBARB network (Finland). 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 AS202858?
AS202858 is assigned to ALASTAIRBARB, registered in Finland.
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 AS202858 control?
AS202858 currently announces 512 routed IPv4 addresses.