AS212881: the JWFIN-AS network
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Testar grátis 14 dias →AS212881 is an internet Autonomous System operated by JWFIN-AS (Finland). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS212881?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS212881 was assigned to JWFIN-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS212881 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in Finland. Services from JWFIN-AS are reached through these addresses.
What it means to see AS212881 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS212881. That means the other end sits on the JWFIN-AS 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 AS212881?
AS212881 is assigned to JWFIN-AS, 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 AS212881 control?
AS212881 currently announces 256 routed IPv4 addresses.