ODINS
AS4730 (ODINS) announces at least two prefixes:
133.1.0.0/16
Japan Network Information Center
1970-01-01
JPNIC-NET-JP-ERX
133.0.0.0-133.255.255.255
192.50.0.0/21
Osaka University
OSAKAU-NET-CIDR-BLK-JP
192.50.0.0-192.50.0.255
0