AS44143: the A1SERBIA-AS network
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Testar grátis 14 dias →AS44143 is an internet Autonomous System operated by A1SERBIA-AS (Serbia). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS44143?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS44143 was assigned to A1SERBIA-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS44143 currently announces 8 IPv4 block(s), totaling about 20.5 thousand addresses (20,480 in all), registered in Serbia. Services from A1SERBIA-AS are reached through these addresses.
What it means to see AS44143 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS44143. That means the other end sits on the A1SERBIA-AS network (Serbia). 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 AS44143?
AS44143 is assigned to A1SERBIA-AS, registered in Serbia.
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 AS44143 control?
AS44143 currently announces about 20.5 thousand routed IPv4 addresses.