AS30731: the MAZUR-AS network
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Testar grátis 14 dias →AS30731 is an internet Autonomous System operated by MAZUR-AS (Poland). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS30731?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS30731 was assigned to MAZUR-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS30731 currently announces 3 IPv4 block(s), totaling about 1.8 thousand addresses (1,792 in all), registered in Poland. Services from MAZUR-AS are reached through these addresses.
What it means to see AS30731 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS30731. That means the other end sits on the MAZUR-AS network (Poland). 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 AS30731?
AS30731 is assigned to MAZUR-AS, registered in Poland.
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 AS30731 control?
AS30731 currently announces about 1.8 thousand routed IPv4 addresses.