AS1741: the FUNETAS network
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Testar grátis 14 dias →AS1741 is an internet Autonomous System operated by FUNETAS (Finland). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS1741?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS1741 was assigned to FUNETAS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS1741 currently announces 16 IPv4 block(s), totaling about 609.8 thousand addresses (609,792 in all), registered in Finland. Services from FUNETAS are reached through these addresses.
What it means to see AS1741 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS1741. That means the other end sits on the FUNETAS network (Finland). 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 AS1741?
AS1741 is assigned to FUNETAS, registered in Finland.
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 AS1741 control?
AS1741 currently announces about 609.8 thousand routed IPv4 addresses.