AS19240: the MLCRIF network
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Testar grátis 14 dias →AS19240 is an internet Autonomous System operated by MLCRIF (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 AS19240?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS19240 was assigned to MLCRIF by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS19240 currently announces 4 IPv4 block(s), totaling about 2 thousand addresses (2,048 in all), registered in the United States. Services from MLCRIF are reached through these addresses.
What it means to see AS19240 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS19240. That means the other end sits on the MLCRIF 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 AS19240?
AS19240 is assigned to MLCRIF, 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 AS19240 control?
AS19240 currently announces about 2 thousand routed IPv4 addresses.