133.1.144.21

[ JPNIC database provides information regarding IP address and ASN. Its use   ]
[ is restricted to network administration purposes. For further information,  ]
[ use 'whois -h whois.nic.ad.jp help'. To only display English output,        ]
[ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.      ]

Network Information:
a. [Network Number]             133.1.0.0/16
b. [Network Name]               OSAKAU-NET
g. [Organization]               Osaka University
m. [Administrative Contact]     YM15537JP
n. [Technical Contact]          YM15537JP
o. [Abuse]
p. [Nameserver]                 a.osaka-u.ac.jp
p. [Nameserver]                 b.osaka-u.ac.jp
p. [Nameserver]                 dns-x.sinet.ad.jp
[Assigned Date]
[Return Date]
[Last Update]                   2022/07/15 14:50:05(JST)

Less Specific Info.
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No match!!

More Specific Info.
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No match!!