AS209441: the TEKFEN network
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Testar grátis 14 dias →AS209441 is an internet Autonomous System operated by TEKFEN (Turkey). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS209441?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS209441 was assigned to TEKFEN by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS209441 currently announces 1 IPv4 block(s), totaling about 1 thousand addresses (1,024 in all), registered in Turkey. Services from TEKFEN are reached through these addresses.
What it means to see AS209441 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS209441. That means the other end sits on the TEKFEN network (Turkey). 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 AS209441?
AS209441 is assigned to TEKFEN, registered in Turkey.
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 AS209441 control?
AS209441 currently announces about 1 thousand routed IPv4 addresses.