Autonomous System
AS9367 Institute of Science Tokyo
EducationActiveJapanJPNIC
AS9367 (ISCT) is an education network operated by Institute of Science Tokyo in Japan, registered with JPNIC. It has 2 IPv4 prefixes with 65,792 addresses and 1 IPv6 prefix, which makes it the 3,450th largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses65,792in 2 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#3,450of 82,141 active ASNs
Details
OrganizationInstitute of Science Tokyo
AS nameISCT
Websiteisct.ac.jp
Country Japan (JP)
Network typeEducation
RegistryJPNIC
Abuse contact—
Registered—
Last updated2024-12-07
IPv4 prefixes
2 prefixes · 65,792 addresses| Network | Addresses | First – last address |
|---|---|---|
| 131.112.0.0/16 | 65,536 | 131.112.0.0 – 131.112.255.255 |
| 131.112.254.0/24 | 256 | 131.112.254.0 – 131.112.254.255 |
131.112.0.0/16 131.112.254.0/24
IPv6 prefixes
1 prefix- 2403:4440::/32
2403:4440::/32
Query AS9367 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=AS9367&key=YOUR_API_KEY"Any address in its prefixes resolves to AS9367, with or without a key:
curl "https://api.ipapi.is/?q=131.112.0.1"Largest networks in Japan
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