AS38733: the CMCTELECOM-VN CMC Telecom Infrastructure Company network
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Testar grátis 14 dias →AS38733 is an internet Autonomous System operated by CMCTELECOM-VN CMC Telecom Infrastructure Company (Vietnam). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS38733?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS38733 was assigned to CMCTELECOM-VN CMC Telecom Infrastructure Company by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS38733 currently announces 12 IPv4 block(s), totaling about 7.2 thousand addresses (7,168 in all), registered in Vietnam. Services from CMCTELECOM-VN CMC Telecom Infrastructure Company are reached through these addresses.
What it means to see AS38733 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS38733. That means the other end sits on the CMCTELECOM-VN CMC Telecom Infrastructure Company network (Vietnam). 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 AS38733?
AS38733 is assigned to CMCTELECOM-VN CMC Telecom Infrastructure Company, registered in Vietnam.
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 AS38733 control?
AS38733 currently announces about 7.2 thousand routed IPv4 addresses.