Whois

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

% Information related to '203.136.0.0 - 203.141.255.255'

% Abuse contact for '203.136.0.0 - 203.141.255.255' is '[email protected]'

inetnum:        203.136.0.0 - 203.141.255.255
netname:        JPNIC-NET-JP
descr:          Japan Network Information Center
country:        JP
admin-c:        JNIC1-AP
tech-c:         JNIC1-AP
remarks:        JPNIC Allocation Block
remarks:        Authoritative information regarding assignments and
remarks:        allocations made from within this block can also be
remarks:        queried at whois.nic.ad.jp. To obtain an English
remarks:        output query whois -h whois.nic.ad.jp x.x.x.x/e
mnt-by:         MAINT-JPNIC
mnt-irt:        IRT-JPNIC-JP
status:         ALLOCATED PORTABLE
last-modified:  2015-12-01T22:30:49Z
source:         APNIC

% Information related to '203.139.224.0 - 203.139.239.255'

inetnum:        203.139.224.0 - 203.139.239.255
netname:        NEWinfoPepper-CIDR-BLK-JP
descr:          EJWORKS CORPORATION
remarks:        Email address for spam or abuse complaints : [email protected]
country:        JP
admin-c:        NT16518JP
tech-c:         NT16518JP
last-modified:  2015-05-28T23:35:03Z
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)