AS202054: the S4N-AS network
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Testar grátis 14 dias →AS202054 is an internet Autonomous System operated by S4N-AS (Spain). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS202054?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS202054 was assigned to S4N-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS202054 currently announces 2 IPv4 block(s), totaling about 2 thousand addresses (2,048 in all), registered in Spain. Services from S4N-AS are reached through these addresses.
What it means to see AS202054 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS202054. That means the other end sits on the S4N-AS network (Spain). 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 AS202054?
AS202054 is assigned to S4N-AS, registered in Spain.
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 AS202054 control?
AS202054 currently announces about 2 thousand routed IPv4 addresses.