133.242.21.121

[ 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:            
[Network Number]                133.242.0.0/16
[Network Name]                  
[Organization]                  SAKURA Internet Inc.
[Administrative Contact]        KT749JP
[Technical Contact]             KT749JP
[Abuse]                         abuse@sakura.ad.jp
[Allocated Date]                2011/08/29
[Last Update]                   2022/06/08 10:28:01(JST)
                                
Less Specific Info.
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No match!!

More Specific Info.
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Too many matches. Narrower expression, please.