AS211808: the FIBROTEL network
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Testar grátis 14 dias →AS211808 is an internet Autonomous System operated by FIBROTEL (Spain). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS211808?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS211808 was assigned to FIBROTEL by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS211808 currently announces 5 IPv4 block(s), totaling about 1.5 thousand addresses (1,536 in all), registered in Spain. Services from FIBROTEL are reached through these addresses.
What it means to see AS211808 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS211808. That means the other end sits on the FIBROTEL network (Spain). 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 AS211808?
AS211808 is assigned to FIBROTEL, registered in Spain.
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 AS211808 control?
AS211808 currently announces about 1.5 thousand routed IPv4 addresses.