Autonomous System

AS4730 Osaka University

EducationActiveJapanAPNIC

AS4730 (ODINS) is an education network operated by Osaka University in Japan, registered with APNIC. It has 2 IPv4 prefixes with 67,584 addresses, which makes it the 3,162nd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses67,584in 2 prefixes
IPv6 prefixes0none
Size rank#3,162of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationOsaka University
AS nameODINS
Websiteosaka-u.ac.jp
Country Japan (JP)
Network typeEducation
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-08-13

IPv4 prefixes

2 prefixes · 67,584 addresses
NetworkAddressesFirst – last address
133.1.0.0/1665,536133.1.0.0 – 133.1.255.255
192.50.0.0/212,048192.50.0.0 – 192.50.7.255

IPv6 prefixes

No IPv6 prefixes.

Query AS4730 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=AS4730&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS4730, with or without a key:

curl "https://api.ipapi.is/?q=133.1.0.1"

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