210.140.56.81

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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]             210.140.56.64/26
b. [Network Name]               LINKNET
g. [Organization]               LINK, Inc.
m. [Administrative Contact]     GO2681JP
n. [Technical Contact]          TH29440JP
o. [Abuse]                      
p. [Nameserver]
[Assigned Date]                 2023/07/11
[Return Date]                   
[Last Update]                   2023/07/11 11:17:03(JST)
                                
Less Specific Info.
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IDC Frontier Inc.
                     [Allocation]                  210.140.35.0-210.140.59.255
IDC Frontier Inc.
         SUBA-032-56 [Sub Allocation]                          210.140.56.0/24

More Specific Info.
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No match!!