AS210129: the ATOMONET-AS network
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Testar grátis 14 dias →AS210129 is an internet Autonomous System operated by ATOMONET-AS (Italy). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS210129?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS210129 was assigned to ATOMONET-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS210129 currently announces 3 IPv4 block(s), totaling about 10.2 thousand addresses (10,240 in all), registered in Italy. Services from ATOMONET-AS are reached through these addresses.
What it means to see AS210129 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS210129. That means the other end sits on the ATOMONET-AS network (Italy). 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 AS210129?
AS210129 is assigned to ATOMONET-AS, registered in Italy.
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 AS210129 control?
AS210129 currently announces about 10.2 thousand routed IPv4 addresses.