AS23211: the JCOM-2 network
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Testar grátis 14 dias →AS23211 is an internet Autonomous System operated by JCOM-2 (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 AS23211?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS23211 was assigned to JCOM-2 by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS23211 currently announces 1 IPv4 block(s), totaling 256 addresses (256 in all), registered in the United States. Services from JCOM-2 are reached through these addresses.
What it means to see AS23211 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS23211. That means the other end sits on the JCOM-2 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 AS23211?
AS23211 is assigned to JCOM-2, 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 AS23211 control?
AS23211 currently announces 256 routed IPv4 addresses.