AS39788: the DANNENBERG-AS network
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Testar grátis 14 dias →AS39788 is an internet Autonomous System operated by DANNENBERG-AS (Germany). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS39788?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS39788 was assigned to DANNENBERG-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS39788 currently announces 2 IPv4 block(s), totaling 255 addresses (255 in all), registered in Germany. Services from DANNENBERG-AS are reached through these addresses.
What it means to see AS39788 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS39788. That means the other end sits on the DANNENBERG-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 AS39788?
AS39788 is assigned to DANNENBERG-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 AS39788 control?
AS39788 currently announces 255 routed IPv4 addresses.