AS63331: the LBL-2 network
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Testar grátis 14 dias →AS63331 is an internet Autonomous System operated by LBL-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 AS63331?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS63331 was assigned to LBL-2 by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS63331 currently announces 5 IPv4 block(s), totaling 772 addresses (772 in all), registered in the United States. Services from LBL-2 are reached through these addresses.
What it means to see AS63331 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS63331. That means the other end sits on the LBL-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 AS63331?
AS63331 is assigned to LBL-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 AS63331 control?
AS63331 currently announces 772 routed IPv4 addresses.