AS40434: the UCIS-AS network
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Testar grátis 14 dias →AS40434 is an internet Autonomous System operated by UCIS-AS (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 AS40434?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS40434 was assigned to UCIS-AS by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS40434 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in the United States. Services from UCIS-AS are reached through these addresses.
What it means to see AS40434 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS40434. That means the other end sits on the UCIS-AS 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 AS40434?
AS40434 is assigned to UCIS-AS, 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 AS40434 control?
AS40434 currently announces 256 routed IPv4 addresses.