AS5501: the FRAUNHOFER-CLUSTER-BW Research Institutes spread all over Germany network
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Testar grátis 14 dias →AS5501 is an internet Autonomous System operated by FRAUNHOFER-CLUSTER-BW Research Institutes spread all over Germany (Germany). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS5501?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS5501 was assigned to FRAUNHOFER-CLUSTER-BW Research Institutes spread all over Germany by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS5501 currently announces 29 IPv4 block(s), totaling about 121.1 thousand addresses (121,088 in all), registered in Germany. Services from FRAUNHOFER-CLUSTER-BW Research Institutes spread all over Germany are reached through these addresses.
What it means to see AS5501 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS5501. That means the other end sits on the FRAUNHOFER-CLUSTER-BW Research Institutes spread all over Germany 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 AS5501?
AS5501 is assigned to FRAUNHOFER-CLUSTER-BW Research Institutes spread all over Germany, 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 AS5501 control?
AS5501 currently announces about 121.1 thousand routed IPv4 addresses.