% 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 '103.10.148.0 - 103.10.151.255'

% Abuse contact for '103.10.148.0 - 103.10.151.255' is 'abuse@arupa.id'

inetnum:        103.10.148.0 - 103.10.151.255
netname:        IDNIC-ARUPA-ID
descr:          PT. Arupa Cloud Nusantara
descr:          Corporate / Direct Member IDNIC
descr:          Eighthyeight@Kasabanka Office Tower Lt. 18, Unit A-H
descr:          Menteng Dalam, Tebet
descr:          Jakarta Selatan, DKI Jakarta
country:        ID
admin-c:        RAA5-AP
tech-c:         RAA5-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MAINT-ID-ARUPA
mnt-routes:     MAINT-ID-ARUPA
mnt-irt:        IRT-ARUPA-ID
status:         ALLOCATED PORTABLE
last-modified:  2022-11-15T08:51:41Z
source:         APNIC

irt:            IRT-ARUPA-ID
address:        PT. Arupa Cloud Nusantara
address:        Eighthyeight@Kasabanka Office Tower Lt. 18, Unit A-H
address:        Menteng Dalam, Tebet
address:        Jakarta Selatan, DKI Jakarta
e-mail:         abuse@arupa.id
abuse-mailbox:  abuse@arupa.id
admin-c:        RAA5-AP
tech-c:         RAA5-AP
auth:           # Filtered
mnt-by:         MAINT-ID-ARUPA
last-modified:  2026-03-09T15:38:03Z
source:         APNIC

person:         Reza Alvin Adhitya
address:        Eighthyeight@Kasabanka Office Tower Lt. 18, Unit A-H
address:        Menteng Dalam, Tebet
address:        Jakarta Selatan
country:        ID
phone:          +62-21-30037903
e-mail:         reza@zettagrid.id
nic-hdl:        RAA5-AP
mnt-by:         MAINT-ID-ARUPA
last-modified:  2017-05-05T02:57:46Z
source:         APNIC

% Information related to '103.10.148.0 - 103.10.148.255'

inetnum:        103.10.148.0 - 103.10.148.255
netname:        CERIANET-ID
descr:          STMI Bandung
descr:          Indonesian Internet Service Provider
descr:          Graha Mobisel, 1st Floor
descr:          Jl. Mampang Prapatan Raya No. 139
descr:          Jakarta Selatan 12740
country:        ID
admin-c:        NS334-AP
tech-c:         NS334-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-ID-STM
mnt-irt:        IRT-STMI-ID
last-modified:  2012-07-24T04:35:02Z
source:         IDNIC

irt:            IRT-STMI-ID
address:        PT Sampoerna Telemedia Indonesia
address:        SSS Tower Utara Lantai 21
address:        Jln. Jend. Sudirman Kav.45 Jakarta
e-mail:         abuse@sampoernatelekom.com
abuse-mailbox:  abuse@sampoernatelekom.com
admin-c:        NS334-AP
tech-c:         NS334-AP
auth:           # Filtered
mnt-by:         MAINT-ID-STM
last-modified:  2011-06-23T08:46:47Z
source:         IDNIC

person:         Noor Saqfi
address:        Graha Mobisel
address:        Jln Mampang Prapatan 139
address:        DKI Jakarta
country:        ID
phone:          +62-21-7975555
fax-no:         +62-21-7972206
e-mail:         Noor.saqfi@sampoernatelekom.com
nic-hdl:        NS334-AP
mnt-by:         MAINT-ID-STM
last-modified:  2010-11-01T04:52:01Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)