AS703: the UUNET network
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Testar grátis 14 dias →AS703 is an internet Autonomous System operated by UUNET (the United States). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS703?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS703 was assigned to UUNET by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS703 currently announces 60 IPv4 block(s), totaling about 694.8 thousand addresses (694,784 in all), registered in the United States. Services from UUNET are reached through these addresses.
What it means to see AS703 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS703. That means the other end sits on the UUNET network (the United States). 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 AS703?
AS703 is assigned to UUNET, registered in the United States.
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 AS703 control?
AS703 currently announces about 694.8 thousand routed IPv4 addresses.