210.239.65.21

[ JPNIC database provides information regarding IP address and ASN. Its use   ]
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[ add '/e' at the end of command, e.g. 'whois -h whois.nic.ad.jp xxx/e'.      ]

Network Information:            
a. [Network Number]             210.239.64.0/21
b. [Network Name]               AMPERE-1
g. [Organization]               IDC Frontier Inc.
m. [Administrative Contact]     JP00169834
n. [Technical Contact]          JP00169834
o. [Abuse]                      
p. [Nameserver]                 ns01.idcfcloud.com
p. [Nameserver]                 ns02.idcfcloud.com
p. [Nameserver]                 ns03.idcfcloud.com
[Assigned Date]                 2019/07/19
[Return Date]                   
[Last Update]                   2019/07/19 11:14:02(JST)
                                
Less Specific Info.
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IDC Frontier Inc.
                     [Allocation]                              210.239.64.0/21

More Specific Info.
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No match!!