AS41289: the DWD-AS network
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Testar grátis 14 dias →AS41289 is an internet Autonomous System operated by DWD-AS (Germany). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS41289?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS41289 was assigned to DWD-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS41289 currently announces 2 IPv4 block(s), totaling about 131.1 thousand addresses (131,072 in all), registered in Germany. Services from DWD-AS are reached through these addresses.
What it means to see AS41289 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS41289. That means the other end sits on the DWD-AS network (Germany). 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 AS41289?
AS41289 is assigned to DWD-AS, registered in Germany.
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 AS41289 control?
AS41289 currently announces about 131.1 thousand routed IPv4 addresses.