AS57544: the ZFORT-AS network
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Testar grátis 14 dias →AS57544 is an internet Autonomous System operated by ZFORT-AS (Ukraine). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS57544?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS57544 was assigned to ZFORT-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS57544 currently announces 1 IPv4 block(s), totaling 512 addresses (512 in all), registered in Ukraine. Services from ZFORT-AS are reached through these addresses.
What it means to see AS57544 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS57544. That means the other end sits on the ZFORT-AS network (Ukraine). 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 AS57544?
AS57544 is assigned to ZFORT-AS, registered in Ukraine.
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 AS57544 control?
AS57544 currently announces 512 routed IPv4 addresses.