AS3161: the ASITPROFI network
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Testar grátis 14 dias →AS3161 is an internet Autonomous System operated by ASITPROFI (Czechia). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS3161?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS3161 was assigned to ASITPROFI by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS3161 currently announces 1 IPv4 block(s), totaling 512 addresses (512 in all), registered in Czechia. Services from ASITPROFI are reached through these addresses.
What it means to see AS3161 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS3161. That means the other end sits on the ASITPROFI network (Czechia). 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 AS3161?
AS3161 is assigned to ASITPROFI, registered in Czechia.
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 AS3161 control?
AS3161 currently announces 512 routed IPv4 addresses.