AS31102: the AT-AS network
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Testar grátis 14 dias →AS31102 is an internet Autonomous System operated by AT-AS (Romania). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS31102?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS31102 was assigned to AT-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS31102 currently announces 10 IPv4 block(s), totaling about 4.1 thousand addresses (4,096 in all), registered in Romania. Services from AT-AS are reached through these addresses.
What it means to see AS31102 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS31102. That means the other end sits on the AT-AS network (Romania). 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 AS31102?
AS31102 is assigned to AT-AS, registered in Romania.
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 AS31102 control?
AS31102 currently announces about 4.1 thousand routed IPv4 addresses.