% 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 '203.9.152.0 - 203.9.155.255'

% Abuse contact for '203.9.152.0 - 203.9.155.255' is 'abuse@nexon.com.au'

inetnum:        203.9.152.0 - 203.9.155.255
netname:        NEXON-AU
descr:          Nexon Asia Pacific Pty Ltd
country:        AU
org:            ORG-NAPP1-AP
admin-c:        NEX1-AP
tech-c:         NEX1-AP
abuse-c:        AN924-AP
status:         ALLOCATED PORTABLE
remarks:        ** Conversion note - reference 'EP5-AU' changed to 'EP27-AP'
remarks:        ** Conversion note - reference 'RC801' changed to 'RC801-AP'
remarks:        Record imported from AUNIC as part of AUNIC->APNIC migration
remarks:        Please see http://www.apnic.net/db/aunic/
mnt-lower:      MAINT-AU-NEXON
mnt-routes:     MAINT-AU-NEXON
mnt-by:         APNIC-HM
mnt-irt:        IRT-NEXON-AU
last-modified:  2022-01-10T05:22:28Z
source:         APNIC

irt:            IRT-NEXON-AU
address:        Nexon Asia Pacific P/L
address:        60-70 Parramatta Rd
address:        Summer Hill NSW 2130
e-mail:         noc@nexon.com.au
abuse-mailbox:  abuse@nexon.com.au
admin-c:        NEX1-AP
tech-c:         NEX1-AP
auth:           # Filtered
remarks:        noc@nexon.com.au was validated on 2025-11-11
remarks:        abuse@nexon.com.au was validated on 2025-12-23
mnt-by:         MAINT-AU-NEXON
last-modified:  2025-12-23T22:07:36Z
source:         APNIC

organisation:   ORG-NAPP1-AP
org-name:       Nexon Asia Pacific Pty Ltd
org-type:       LIR
country:        AU
address:        60-70 Parramatta Rd
phone:          +61-2-9230-7900
fax-no:         +61-2-8257-1800
e-mail:         enquiries@nexon.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:46Z
source:         APNIC

role:           ABUSE NEXONAU
country:        ZZ
address:        Nexon Asia Pacific P/L
address:        60-70 Parramatta Rd
address:        Summer Hill NSW 2130
phone:          +000000000
e-mail:         noc@nexon.com.au
admin-c:        NEX1-AP
tech-c:         NEX1-AP
nic-hdl:        AN924-AP
remarks:        Generated from irt object IRT-NEXON-AU
remarks:        noc@nexon.com.au was validated on 2025-11-11
remarks:        abuse@nexon.com.au was validated on 2025-12-23
abuse-mailbox:  abuse@nexon.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-23T22:08:01Z
source:         APNIC

role:           Nexon NOC
address:        Nexon Asia Pacific P/L
address:        60-70 Parramatta Rd
address:        Summer Hill NSW 2130
country:        AU
admin-c:        NEX1-AP
tech-c:         NEX1-AP
phone:          +61 2 92307900
fax-no:         +61 2 82571800
e-mail:         noc@nexon.com.au
nic-hdl:        NEX1-AP
mnt-by:         MAINT-AU-NEXON
last-modified:  2023-02-21T05:47:29Z
source:         APNIC

% Information related to '203.9.152.0/23AS17766'

route:          203.9.152.0/23
origin:         AS17766
descr:          Nexon Asia Pacific Pty Ltd
                60-70 Parramatta Rd
mnt-by:         MAINT-AU-NEXON
last-modified:  2023-03-14T22:39:21Z
source:         APNIC

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