AS27381: the CASALE-MEDIA network
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Testar grátis 14 dias →AS27381 is an internet Autonomous System operated by CASALE-MEDIA (Canada). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS27381?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS27381 was assigned to CASALE-MEDIA by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS27381 currently announces 14 IPv4 block(s), totaling about 12.5 thousand addresses (12,544 in all), registered in Canada. Services from CASALE-MEDIA are reached through these addresses.
What it means to see AS27381 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS27381. That means the other end sits on the CASALE-MEDIA network (Canada). 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 AS27381?
AS27381 is assigned to CASALE-MEDIA, registered in Canada.
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 AS27381 control?
AS27381 currently announces about 12.5 thousand routed IPv4 addresses.