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 2,936th largest of 82,141 active autonomous systems by IPv4 space.

IPv4 addresses71,680in 6 prefixes
IPv6 prefixes2≈ 1.6 × 10²⁹ addresses
Size rank#2,936of 82,141 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"

Largest networks in Taiwan

AS3462 Chunghwa Telecom Co., Ltd.16,359,936 IPv4 addressesAS1659 This aut-num object created as part of6,635,776 IPv4 addressesAS4780 Digital United Inc.5,156,352 IPv4 addressesAS9924 Taiwan Fixed Network CO.,LTD.4,313,600 IPv4 addressesAS9919 New Century InfoComm Tech Co., Ltd.3,135,488 IPv4 addressesAS9674 Far EastTone Telecommunication Co., Ltd.2,298,624 IPv4 addresses