% 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 '150.107.168.0 - 150.107.171.255'

% Abuse contact for '150.107.168.0 - 150.107.171.255' is 'rc.network@rackscentral.com'

inetnum:        150.107.168.0 - 150.107.171.255
netname:        RACKSCENTRAL-SG
descr:          23 Tai Seng Drive
descr:          # 01-00
descr:          Singapore 535224
country:        SG
org:            ORG-RCPL2-AP
admin-c:        RCPA1-AP
tech-c:         RCPA1-AP
abuse-c:        AR763-AP
status:         ASSIGNED PORTABLE
remarks:        Used for multihoming
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-routes:     MAINT-RACKSCENTRAL-SG
mnt-irt:        IRT-RACKSCENTRAL-SG
last-modified:  2020-05-12T05:20:35Z
source:         APNIC

irt:            IRT-RACKSCENTRAL-SG
address:        23 Tai Seng Drive,
e-mail:         rc.network@rackscentral.com
abuse-mailbox:  rc.network@rackscentral.com
admin-c:        RCPA1-AP
tech-c:         RCPA1-AP
auth:           # Filtered
remarks:        rc.network@rackscentral.com was validated on 2025-07-30
mnt-by:         MAINT-RACKSCENTRAL-SG
last-modified:  2025-11-18T00:31:38Z
source:         APNIC

organisation:   ORG-RCPL2-AP
org-name:       Racks Central Pte Ltd
org-type:       LIR
country:        SG
address:        23 Tai Seng Drive
address:        # 01-00
address:        Singapore 535224
phone:          +6562800706
fax-no:         +656280-8238
e-mail:         abuse@rackscentral.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:15Z
source:         APNIC

role:           ABUSE RACKSCENTRALSG
country:        ZZ
address:        23 Tai Seng Drive, # 01-00, Singapore 535224, Singapore Singapore 535224
phone:          +000000000
e-mail:         rc.network@rackscentral.com
admin-c:        RCPA1-AP
tech-c:         RCPA1-AP
nic-hdl:        AR763-AP
remarks:        Generated from irt object IRT-RACKSCENTRAL-SG
remarks:        rc.network@rackscentral.com was validated on 2025-07-30
abuse-mailbox:  rc.network@rackscentral.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-07-30T01:53:06Z
source:         APNIC

role:           Racks Central PteLtd administrator
address:        23 Tai Seng Drive, #01-00, Singapore 535224, Singapore Singapore 535224
country:        SG
phone:          +6562800706
fax-no:         +6562800706
e-mail:         abuse@rackscentral.com
admin-c:        RCPA1-AP
tech-c:         RCPA1-AP
nic-hdl:        RCPA1-AP
mnt-by:         MAINT-RACKSCENTRAL-SG
last-modified:  2017-06-09T01:36:21Z
source:         APNIC

% Information related to '150.107.168.0/24AS136733'

route:          150.107.168.0/24
origin:         AS136733
descr:          Racks Central Pte Ltd
                23 Tai Seng Drive
                #01-00
                Singapore 535224
mnt-by:         MAINT-RACKSCENTRAL-SG
last-modified:  2021-03-24T09:33:41Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)