% 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 '150.107.0.0 - 150.107.0.255'

% Abuse contact for '150.107.0.0 - 150.107.0.255' is 'abuse@hknetbroadband.com'

inetnum:        150.107.0.0 - 150.107.0.255
netname:        SINNET-SG
descr:          45 Des Voeux Road, Central
country:        SG
admin-c:        WS1668-AP
tech-c:         WS1668-AP
abuse-c:        WS1668-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-SINNET-SG
mnt-irt:        IRT-SINNET-SG
last-modified:  2024-06-19T05:44:30Z
source:         APNIC

irt:            IRT-SINNET-SG
address:        Jackson Square Block A, 08-12/15, Singapore
e-mail:         abuse@hknetbroadband.com
abuse-mailbox:  abuse@hknetbroadband.com
admin-c:        WS1668-AP
tech-c:         WS1668-AP
auth:           # Filtered
remarks:        abuse@hknetbroadband.com is invalid
mnt-by:         MAINT-SINNET-SG
last-modified:  2026-07-08T13:13:00Z
source:         APNIC

role:           WANworld SG
address:        Jackson Square Block A, 08-12/15, Singapore
country:        SG
phone:          +65 6816231
e-mail:         ABUSE@newcentres.com
admin-c:        WS1668-AP
tech-c:         WS1668-AP
nic-hdl:        WS1668-AP
mnt-by:         MAINT-SINNET-SG
last-modified:  2025-05-26T07:45:11Z
source:         APNIC

% Information related to '150.107.0.0/24AS21859'

route:          150.107.0.0/24
descr:          CLIENT ROUTE
origin:         AS21859
mnt-by:         MAINT-SINNET-SG
last-modified:  2024-09-03T07:51:31Z
source:         APNIC

% Information related to '150.107.0.0/24AS62610'

route:          150.107.0.0/24
descr:          CLIENT ROUTE
origin:         AS62610
mnt-by:         MAINT-SINNET-SG
last-modified:  2024-09-03T07:50:48Z
source:         APNIC

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