% 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-ID-7SKY'

mntner:         MAINT-ID-7SKY
descr:          7SKY
descr:          PT Tujuh Media Angkasa
descr:          Jakarta Selatan
admin-c:        HMD6-AP
upd-to:         support@puskomedia.net.id
auth:           # Filtered
mnt-by:         MAINT-ID-7SKY
tech-c:         HMD6-AP
remarks:        Send spam & abuse report to: abuse@7sky.net.id
referral-by:    APNIC-HM
last-modified:  2020-11-02T04:17:50Z
source:         APNIC

person:         Hendra Mulia Djaputra
address:        Rukan Sedayu Square Blok E No.20
address:        Cengkareng Barat, Cengkareng
address:        Jakarta Barat, DKI Jakarta 11730
country:        ID
phone:          +62-21-50118000
e-mail:         hendra@hypermedia.net.id
nic-hdl:        HMD6-AP
mnt-by:         MNT-APJII-ID
fax-no:         +62-21-50118000
last-modified:  2020-11-02T04:10:04Z
source:         APNIC

% Information related to 'MAINT-ID-7SKY'

mntner:         MAINT-ID-7SKY
descr:          7SKY
descr:          PT Tujuh Media Angkasa
descr:          Jakarta Selatan
admin-c:        AF669-AP
upd-to:         noc@7sky.net.id
mnt-by:         MAINT-ID-7SKY
auth:           # Filtered
tech-c:         AF669-AP
tech-c:         AA2319-AP
remarks:        Send spam & abuse report to: abuse@7sky.net.id
last-modified:  2021-06-18T11:06:18Z
source:         IDNIC

person:         Azhar Abdillah
address:        Graha Pena Lt.1 No.112, Jl. Kebayoran Lama No.12
country:        ID
phone:          +62-21-22127340
e-mail:         azhar@7sky.net.id
nic-hdl:        AA2319-AP
mnt-by:         MAINT-ID-7SKY
last-modified:  2021-02-16T04:22:00Z
source:         IDNIC

person:         Achmad Fauzi
address:        Graha Pena Lt.1 No.112, Jl. Kebayoran Lama No.12
country:        ID
phone:          +62-21-22127340
e-mail:         fauzi@7sky.net.id
nic-hdl:        AF669-AP
mnt-by:         MAINT-ID-7SKY
last-modified:  2021-01-21T10:33:33Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU2)

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