% 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 '203.28.115.0 - 203.28.115.255'

% Abuse contact for '203.28.115.0 - 203.28.115.255' is 'admin@kalgold.com.au'

inetnum:        203.28.115.0 - 203.28.115.255
netname:        KCGMPTYLTD-AU
descr:          Kalgoorlie Consolidated Gold Mines Pty Ltd
descr:          P.M.B 27
descr:          Kalgoorlie
descr:          WA 6430
country:        AU
org:            ORG-KCGM1-AP
admin-c:        SD795-AP
tech-c:         SD795-AP
abuse-c:        AK1107-AP
status:         ALLOCATED PORTABLE
remarks:        ** Conversion note - reference 'GD200-AU' changed to 'GD200-AP'
remarks:        Record imported from AUNIC as part of AUNIC->APNIC migration
remarks:        Please see http://www.apnic.net/db/aunic/
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AU-GD200-AP
mnt-routes:     MAINT-AU-GD200-AP
mnt-irt:        IRT-KCGM-NON-AU
last-modified:  2020-05-27T13:03:55Z
source:         APNIC

irt:            IRT-KCGM-NON-AU
address:        P.M.B 27
address:        Kalgoorlie
address:        WA 6430
e-mail:         admin@kalgold.com.au
abuse-mailbox:  admin@kalgold.com.au
admin-c:        SD795-AP
tech-c:         SD795-AP
auth:           # Filtered
remarks:        admin@kalgold.com.au was validated on 2026-01-05
mnt-by:         MAINT-AU-KCGM
last-modified:  2026-01-05T23:41:16Z
source:         APNIC

organisation:   ORG-KCGM1-AP
org-name:       Kalgoorlie Consolidated Gold Mines
org-type:       LIR
country:        AU
address:        Black Street
phone:          +61890221120
fax-no:         +61890221119
e-mail:         servicedesk@kalgold.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:13Z
source:         APNIC

role:           ABUSE KCGMNONAU
country:        ZZ
address:        P.M.B 27
address:        Kalgoorlie
address:        WA 6430
phone:          +000000000
e-mail:         admin@kalgold.com.au
admin-c:        SD795-AP
tech-c:         SD795-AP
nic-hdl:        AK1107-AP
remarks:        Generated from irt object IRT-KCGM-NON-AU
remarks:        admin@kalgold.com.au was validated on 2026-01-05
abuse-mailbox:  admin@kalgold.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-05T23:41:42Z
source:         APNIC

person:         Service Desk
nic-hdl:        SD795-AP
e-mail:         admin@kalgold.com.au
address:        P.M.B 27
address:        Kalgoorlie
address:        WA 6430
phone:          +61 8 9022 1120
country:        AU
mnt-by:         MAINT-AU-GD200-AP
last-modified:  2015-02-25T00:19:04Z
source:         APNIC

% Information related to '203.28.115.0/24AS133116'

route:          203.28.115.0/24
origin:         AS133116
descr:          Kalgoorlie Consolidated Gold Mines
                Black Street
mnt-by:         MAINT-AU-GD200-AP
last-modified:  2021-04-01T03:47:27Z
source:         APNIC

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