% 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 '125.161.128.0 - 125.161.159.25'

% Abuse contact for '125.161.128.0 - 125.161.159.25' is 'abuse@telkom.co.id'

inetnum:        125.161.128.0 - 125.161.159.25
netname:        TLKM_D2_BB_SPEEDY_KBB
country:        ID
descr:          PT TELKOM INDONESIA
descr:          Jakarta Selatan
admin-c:        AR165-AP
tech-c:         AI64-AP
remarks:        ------------------------------------------------------------------
remarks:        Broadband Service for Jakarta Selatan.
remarks:        ** These IP was used dinamically for end user. **
remarks:        Send ABUSE and SPAM reports with plain ASCII text only to
remarks:        to abuse@telkom.net.id.
remarks:        The netname enclosed in square bracket is included in the subject.
remarks:        ------------------------------------------------------------------
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-TELKOMNET
last-modified:  2008-09-04T07:16:59Z
source:         APNIC

role:           PT Telkom Indonesia ABUSE INTERNET Response Team
address:        PT. TELKOM INDONESIA
address:        Menara Multimedia Lt. 7
address:        Jl. Kebonsirih No.12
address:        JAKARTA
country:        ID
phone:          +62-21-3860500
fax-no:         +62-21-3861215
e-mail:         abuse@telkom.net.id
admin-c:        HM444-AP
tech-c:         HM444-AP
nic-hdl:        AI64-AP
notify:         hostmaster@telkom.net.id
mnt-by:         MAINT-TELKOMNET
last-modified:  2008-09-04T07:54:17Z
source:         APNIC

role:           PT Telkom Indonesia APNIC Resources Management
address:        PT. TELKOM INDONESIA
address:        Menara Multimedia Lt. 7
address:        Jl. Kebonsirih No.12
address:        JAKARTA
country:        ID
phone:          +62-21-3860500
fax-no:         +62-21-3861215
e-mail:         ip-admin@telkom.net.id
admin-c:        HM444-AP
tech-c:         HM444-AP
nic-hdl:        AR165-AP
notify:         hostmaster@telkom.net.id
mnt-by:         MAINT-TELKOMNET
last-modified:  2008-09-04T07:54:16Z
source:         APNIC

% Information related to '125.161.140.0/22AS17974'

route:          125.161.140.0/22
descr:          PT. TELKOM INDONESIA
descr:          JAKARTA
country:        ID
origin:         AS17974
mnt-by:         MAINT-TELKOMNET
last-modified:  2015-05-27T03:33:13Z
source:         APNIC

% Information related to '125.161.140.0/22AS7713'

route:          125.161.140.0/22
origin:         AS7713
descr:          Telekomunikasi Indonesia (PT)
                PT Telkom - Divisi Infratel
                Gedung STO Gambir LT 3
                Sub Divisi Resource Management & Operation
                Jalan Merdeka Selatan No .12
mnt-by:         MAINT-TELKOMNET
last-modified:  2021-07-16T02:48:20Z
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