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 5 IPv4 prefixes with 109,568 addresses, which makes it the 2,213th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses109,568in 5 prefixes
IPv6 prefixes0none
Size rank#2,213of 82,200 active ASNs
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
5 prefixes · 109,568 addresses| Network | Addresses | First – last address |
|---|---|---|
| 140.112.0.0/16 | 65,536 | 140.112.0.0 – 140.112.255.255 |
| 140.112.0.0/17 | 32,768 | 140.112.0.0 – 140.112.127.255 |
| 120.96.0.0/19 | 8,192 | 120.96.0.0 – 120.96.31.255 |
| 120.96.240.0/21 | 2,048 | 120.96.240.0 – 120.96.247.255 |
| 120.96.248.0/22 | 1,024 | 120.96.248.0 – 120.96.251.255 |
140.112.0.0/16 140.112.0.0/17 120.96.0.0/19 120.96.240.0/21 120.96.248.0/22
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"Largest networks in Taiwan
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