Autonomous System

AS9264 Academia Sinica

EducationActiveTaiwanAPNIC

AS9264 (ASNet) is an education network operated by Academia Sinica in Taiwan, registered with APNIC. It has 6 IPv4 prefixes with 71,680 addresses and 2 IPv6 prefixes, which makes it the 2,938th largest of 82,534 active autonomous systems by IPv4 space.

IPv4 addresses71,680in 6 prefixes
IPv6 prefixes2≈ 1.6 × 10²⁹ addresses
Size rank#2,938of 82,534 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

OrganizationAcademia Sinica
AS nameASNet
Websitesinica.edu.tw
Country Taiwan (TW)
Network typeEducation
RegistryAPNIC
Abuse contactabuse@sinica.edu.tw
Registered—
Last updated2025-12-22

IPv4 prefixes

6 prefixes · 71,680 addresses
NetworkAddressesFirst – last address
140.109.0.0/1665,536140.109.0.0 – 140.109.255.255
202.169.160.0/204,096202.169.160.0 – 202.169.175.255
103.130.252.0/221,024103.130.252.0 – 103.130.255.255
117.103.96.0/23512117.103.96.0 – 117.103.97.255
117.103.96.0/24256117.103.96.0 – 117.103.96.255
117.103.98.0/24256117.103.98.0 – 117.103.98.255

IPv6 prefixes

2 prefixes
  • 2001:c08::/32
  • 2403:c240::/32

Query AS9264 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=AS9264&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS9264, with or without a key:

curl "https://api.ipapi.is/?q=140.109.0.1"

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