The IP API The IP API
// ASN

AS38641

LEONET-AS Osaka Sangyo University, JP

Detailed information about the Autonomous System. Need another one? Look up a different ASN.

ASN
AS38641
Organization
Osaka Sangyo University
Description
LEONET-AS Osaka Sangyo University, JP
Registry (RIR)
JPIRR
Created
2009-04-08
Updated
2026-04-01
IPv4 Prefixes
3
IPv6 Prefixes
0

IPv4 Prefixes

3 total
133.64.0.0/16
133.64.0.0/17
133.64.128.0/17

What is AS38641?

AS38641 is an Autonomous System Number (ASN) assigned to Osaka Sangyo University. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.

Looking for more ASN data?

Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.