Whois

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '1.0.16.0 - 1.0.31.255'

% Abuse contact for '1.0.16.0 - 1.0.31.255' is '[email protected]'

inetnum:        1.0.16.0 - 1.0.31.255
netname:        i2ts
descr:          i2ts,inc.
descr:          2-16-9,TK Building 2F,Kabukichou,Shinjukuku,Tokyo 160-0021,Japan
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
status:         ALLOCATED PORTABLE
remarks:        Email address for spam or abuse complaints: [email protected]
mnt-irt:        IRT-JPNIC-JP
mnt-by:         MAINT-JPNIC
mnt-lower:      MAINT-JPNIC
last-modified:  2011-04-12T03:14:35Z
source:         APNIC

% Information related to '1.0.16.0 - 1.0.16.255'

inetnum:        1.0.16.0 - 1.0.16.255
netname:        I2TS-MTK-NET
descr:          i2ts,inc.
country:        JP
admin-c:        JP00078611
tech-c:         JP00078611
last-modified:  2018-01-23T01:26:05Z
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
source:         JPNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)