Autonomous System

AS38641 Osaka Sangyo University

EducationActiveJapanAPNIC

AS38641 (LEONET-AS) is an education network operated by Osaka Sangyo University in Japan, registered with APNIC. It has 3 IPv4 prefixes with 131,072 addresses, which makes it the 1,954th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses131,072in 3 prefixes
IPv6 prefixes0none
Size rank#1,954of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationOsaka Sangyo University
AS nameLEONET-AS
Websiteosaka-sandai.ac.jp
Country Japan (JP)
Network typeEducation
RegistryAPNIC
Abuse contacthostmaster@nic.ad.jp
Registered—
Last updated2024-09-18

IPv4 prefixes

3 prefixes · 131,072 addresses
NetworkAddressesFirst – last address
133.64.0.0/1665,536133.64.0.0 – 133.64.255.255
133.64.0.0/1732,768133.64.0.0 – 133.64.127.255
133.64.128.0/1732,768133.64.128.0 – 133.64.255.255

IPv6 prefixes

No IPv6 prefixes.

Query AS38641 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=AS38641&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS38641, with or without a key:

curl "https://api.ipapi.is/?q=133.64.0.1"

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