AS25406: the SPLIUS-AS network
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Testar grátis 14 dias →AS25406 is an internet Autonomous System operated by SPLIUS-AS (Lithuania). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS25406?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS25406 was assigned to SPLIUS-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS25406 currently announces 3 IPv4 block(s), totaling about 23.6 thousand addresses (23,552 in all), registered in Lithuania. Services from SPLIUS-AS are reached through these addresses.
What it means to see AS25406 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS25406. That means the other end sits on the SPLIUS-AS network (Lithuania). 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 AS25406?
AS25406 is assigned to SPLIUS-AS, registered in Lithuania.
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 AS25406 control?
AS25406 currently announces about 23.6 thousand routed IPv4 addresses.