203.180.0.231

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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]             203.180.0.224/28
b. [Network Name]               IVIS-NET-N
g. [Organization]               IVIS Co., Ltd.
m. [Administrative Contact]     AO17680JP
n. [Technical Contact]          AO17680JP
o. [Abuse]                      
p. [Nameserver]
[Assigned Date]                 2017/09/27
[Return Date]                   
[Last Update]                   2017/09/27 14:42:00(JST)
                                
Less Specific Info.
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Internet Initiative Japan Inc.
                     [Allocation]                               203.180.0.0/16
IIJ Internet
        SUBA-006-DM4 [Sub Allocation]                           203.180.0.0/24

More Specific Info.
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No match!!