% APNIC found the following authoritative answer from: whois.apnic.net

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

% Information related to 'MAINT-JP-WIDE'

mntner:         MAINT-JP-WIDE
descr:          Maintainer Object for WIDE Project, JAPAN
country:        JP
admin-c:        JM46-AP
tech-c:         AK27-AP
tech-c:         SU19-AP
upd-to:         inet6-alloc@wide.ad.jp
auth:           # Filtered
mnt-nfy:        inet6-alloc@wide.ad.jp
mnt-by:         MAINT-JP-WIDE
referral-by:    APNIC-HM
last-modified:  2017-10-23T11:00:26Z
source:         APNIC

person:         Akira Kato
address:        Keio University, Graduate School of Media Design
address:        4-1-1 Hiyoshi, Kohoku, Yokoahama 223-8526
country:        JP
phone:          +81 45 564 2490
fax-no:         +81 45 564 2503
e-mail:         kato@wide.ad.jp
nic-hdl:        AK27-AP
mnt-by:         MAINT-JP-WIDE
last-modified:  2009-02-24T22:40:27Z
source:         APNIC

person:         Jun Murai
address:        Keio University
address:        5322 Endo Fujisawa 252-8520
country:        JP
phone:          +81 466 49 1100
fax-no:         +81 466 49 1101
e-mail:         junsec@wide.ad.jp
nic-hdl:        JM46-AP
mnt-by:         MAINT-AU-APNIC-GM85-AP
last-modified:  2008-09-04T07:29:32Z
source:         APNIC

person:         Satoshi UDA
nic-hdl:        SU19-AP
e-mail:         zin@jaist.ac.jp
address:        Japan Advanced Institute of Science and Technology
address:        Center for Information Science
address:        1-1 Asahidai, Tatsunokuchi, Nomi, Ishikawa 923-1292
phone:          +81  761 51 1111
fax-no:         +81  761 51 1305
country:        JP
notify:         zin@jaist.ac.jp
mnt-by:         MAINT-JP-WIDE
mnt-by:         MAINT-JP-JAIST
last-modified:  2008-09-04T07:29:43Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU3)

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain