AS266071: the R3 INTERNET network
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Testar grátis 14 dias →AS266071 is an internet Autonomous System operated by R3 INTERNET (Brazil). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS266071?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS266071 was assigned to R3 INTERNET by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS266071 currently announces 1 IPv4 block(s), totaling about 1 thousand addresses (1,024 in all), registered in Brazil. Services from R3 INTERNET are reached through these addresses.
What it means to see AS266071 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS266071. That means the other end sits on the R3 INTERNET network (Brazil). 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 AS266071?
AS266071 is assigned to R3 INTERNET, registered in Brazil.
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 AS266071 control?
AS266071 currently announces about 1 thousand routed IPv4 addresses.