AS55789: the IDC-TW TWIDC network
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Testar grátis 14 dias →AS55789 is an internet Autonomous System operated by IDC-TW TWIDC (Taiwan). Here is what that means and why this number may show up when you investigate a connection on your network.
What is AS55789?
An Autonomous System (ASN) is a block of networks under a single control with its own routing policy on the internet. The number AS55789 was assigned to IDC-TW TWIDC by an RIR (regional internet registry). All traffic entering or leaving that network is announced under this number.
Reach on the internet
AS55789 currently announces 2 IPv4 block(s), totaling about 1 thousand addresses (1,024 in all), registered in Taiwan. Services from IDC-TW TWIDC are reached through these addresses.
What it means to see AS55789 on your network
When you investigate where a connection from your computer or phone comes from (or goes to), you may find AS55789. That means the other end sits on the IDC-TW TWIDC network (Taiwan). 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 AS55789?
AS55789 is assigned to IDC-TW TWIDC, registered in Taiwan.
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 AS55789 control?
AS55789 currently announces about 1 thousand routed IPv4 addresses.