Autonomous System

AS55380 Kanazawa University

EducationActiveJapanJPNIC

AS55380 (KAINS) is an education network operated by Kanazawa University in Japan, registered with JPNIC. It has 1 IPv4 prefix with 65,536 addresses, which makes it the 3,831st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses65,536in 1 prefix
IPv6 prefixes0none
Size rank#3,831of 82,200 active ASNs
Abuser scoreVery Low0.02% of its addresses flagged · method

Details

OrganizationKanazawa University
AS nameKAINS
Websitekanazawa-u.ac.jp
Country Japan (JP)
Network typeEducation
RegistryJPNIC
Abuse contact—
Registered—
Last updated2026-04-17

IPv4 prefixes

1 prefix · 65,536 addresses
NetworkAddressesFirst – last address
133.28.0.0/1665,536133.28.0.0 – 133.28.255.255

IPv6 prefixes

No IPv6 prefixes.

Query AS55380 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=AS55380&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS55380, with or without a key:

curl "https://api.ipapi.is/?q=133.28.0.1"

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