AS207872: the CTE1 network
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Testar grátis 14 dias →AS207872 is an internet Autonomous System operated by CTE1 (Estonia). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS207872?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS207872 was assigned to CTE1 by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS207872 currently announces 2 IPv4 block(s), totaling 512 addresses (512 in all), registered in Estonia. Services from CTE1 are reached through these addresses.
What it means to see AS207872 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS207872. That means the other end sits on the CTE1 network (Estonia). 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 AS207872?
AS207872 is assigned to CTE1, registered in Estonia.
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 AS207872 control?
AS207872 currently announces 512 routed IPv4 addresses.