Autonomous System

AS17716 National Taiwan University

EducationActiveTaiwanAPNIC

AS17716 (NTU-TW) is an education network operated by National Taiwan University in Taiwan, registered with APNIC. It has 4 IPv4 prefixes with 76,800 addresses, which makes it the 2,775th largest of 82,283 active autonomous systems by IPv4 space.

IPv4 addresses76,800in 4 prefixes
IPv6 prefixes0none
Size rank#2,775of 82,283 active ASNs
Abuser scoreLow0.1% of its addresses flagged · method

Details

OrganizationNational Taiwan University
AS nameNTU-TW
Websitentu.edu.tw
Country Taiwan (TW)
Network typeEducation
RegistryAPNIC
Abuse contactnoc@mail.moe.gov.tw
Registered—
Last updated2025-11-06

IPv4 prefixes

4 prefixes · 76,800 addresses
NetworkAddressesFirst – last address
140.112.0.0/1665,536140.112.0.0 – 140.112.255.255
120.96.0.0/198,192120.96.0.0 – 120.96.31.255
120.96.240.0/212,048120.96.240.0 – 120.96.247.255
120.96.248.0/221,024120.96.248.0 – 120.96.251.255

IPv6 prefixes

No IPv6 prefixes.

Query AS17716 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS17716&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS17716, with or without a key:

curl "https://api.ipapi.is/?q=140.112.0.1"

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