AS45542: the VNU-AS-VN VietNam National University Ha Noi network
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Testar grátis 14 dias →AS45542 is an internet Autonomous System operated by VNU-AS-VN VietNam National University Ha Noi (Vietnam). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS45542?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS45542 was assigned to VNU-AS-VN VietNam National University Ha Noi by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS45542 currently announces 3 IPv4 block(s), totaling about 4.1 thousand addresses (4,096 in all), registered in Vietnam. Services from VNU-AS-VN VietNam National University Ha Noi are reached through these addresses.
What it means to see AS45542 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS45542. That means the other end sits on the VNU-AS-VN VietNam National University Ha Noi 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 AS45542?
AS45542 is assigned to VNU-AS-VN VietNam National University Ha Noi, 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 AS45542 control?
AS45542 currently announces about 4.1 thousand routed IPv4 addresses.