% 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 '202.172.57.0 - 202.172.57.255'

% Abuse contact for '202.172.57.0 - 202.172.57.255' is 'abuse@m1net.sg'

inetnum:        202.172.57.0 - 202.172.57.255
netname:        QALA-DYN-SG
descr:          Qala Singapore Pte Ltd
country:        SG
admin-c:        QSNR1-AP
tech-c:         QSNR1-AP
abuse-c:        AM2390-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-M1NET-SG
mnt-irt:        IRT-M1NET-SG
last-modified:  2021-01-08T06:02:28Z
source:         APNIC

irt:            IRT-M1NET-SG
address:        10 International Business Park Singapore 609928
e-mail:         abuse@m1net.sg
abuse-mailbox:  abuse@m1net.sg
admin-c:        MSNR4-AP
tech-c:         MSNR4-AP
auth:           # Filtered
remarks:        abuse@m1net.sg was validated on 2025-09-05
mnt-by:         MAINT-M1NET-SG
last-modified:  2025-11-18T00:31:15Z
source:         APNIC

role:           ABUSE M1NETSG
country:        ZZ
address:        10 International Business Park Singapore 609928
phone:          +000000000
e-mail:         abuse@m1net.sg
admin-c:        MSNR4-AP
tech-c:         MSNR4-AP
nic-hdl:        AM2390-AP
remarks:        Generated from irt object IRT-M1NET-SG
remarks:        abuse@m1net.sg was validated on 2025-09-05
abuse-mailbox:  abuse@m1net.sg
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-05T01:41:27Z
source:         APNIC

role:           QALA SG NOC ROLE
address:        10 International Business Park
address:        Singapore 609928
country:        SG
phone:          +65-6655-5500
fax-no:         +65-6655-5410
e-mail:         gnoc@m1net.sg
remarks:        Spam and security issues - abuse@m1net.sg
remarks:        Routing and Network issues - gnoc@m1net.sg
remarks:        Copyright abuse issues - copyright@m1.com.sg
admin-c:        QSNR1-AP
tech-c:         QSNR1-AP
nic-hdl:        QSNR1-AP
notify:         gnoc@m1net.sg
mnt-by:         MAINT-M1NET-SG
last-modified:  2019-03-22T02:31:23Z
source:         APNIC

% Information related to '202.172.57.0/24AS17547'

route:          202.172.57.0/24
origin:         AS17547
descr:          M1 NET LTD
                10 INTERNATIONAL BUSINESS PARK
                Singapore 609928
mnt-by:         MAINT-M1NET-SG
last-modified:  2021-09-30T01:24:42Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)