% 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 '103.243.176.0 - 103.243.176.255'

% Abuse contact for '103.243.176.0 - 103.243.176.255' is 'apnic@SMC.sa.edu.au'

inetnum:        103.243.176.0 - 103.243.176.255
netname:        SMCA-AU
descr:          ST MICHAEL'S COLLEGE, ADELAIDE
descr:          t/a ST MICHAEL'S COLLEGE
country:        AU
org:            ORG-SMCA1-AP
admin-c:        SMCA2-AP
tech-c:         SMCA2-AP
abuse-c:        AS3510-AP
status:         ASSIGNED PORTABLE
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-SMCA-AU
mnt-irt:        IRT-SMCA-AU
last-modified:  2023-04-11T02:21:00Z
source:         APNIC

irt:            IRT-SMCA-AU
address:        15 Mitton Avenue, Henley Beach South Australia 5022
e-mail:         apnic@SMC.sa.edu.au
abuse-mailbox:  apnic@SMC.sa.edu.au
admin-c:        SMCA2-AP
tech-c:         SMCA2-AP
auth:           # Filtered
remarks:        apnic@smc.sa.edu.au was validated on 2026-08-04
mnt-by:         MAINT-SMCA-AU
last-modified:  2026-08-04T22:33:17Z
source:         APNIC

organisation:   ORG-SMCA1-AP
org-name:       ST MICHAEL'S COLLEGE
org-type:       LIR
country:        AU
address:        15 Mitton Avenue
phone:          +61883565966
e-mail:         apnic@smc.sa.edu.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:19:14Z
source:         APNIC

role:           ABUSE SMCAAU
country:        ZZ
address:        15 Mitton Avenue, Henley Beach South Australia 5022
phone:          +000000000
e-mail:         apnic@SMC.sa.edu.au
admin-c:        SMCA2-AP
tech-c:         SMCA2-AP
nic-hdl:        AS3510-AP
remarks:        Generated from irt object IRT-SMCA-AU
remarks:        apnic@smc.sa.edu.au was validated on 2026-08-04
abuse-mailbox:  apnic@SMC.sa.edu.au
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-04T22:33:26Z
source:         APNIC

role:           ST MICHAELS COLLEGE ADELAIDE administrator
address:        15 Mitton Avenue, Henley Beach South Australia 5022
country:        AU
phone:          +61883565966
e-mail:         apnic@sa.smc.sa.edu
admin-c:        SMCA2-AP
tech-c:         SMCA2-AP
nic-hdl:        SMCA2-AP
mnt-by:         MAINT-SMCA-AU
last-modified:  2023-04-06T01:31:07Z
source:         APNIC

% Information related to '103.243.176.0/24AS151079'

route:          103.243.176.0/24
origin:         AS151079
descr:          ST MICHAEL'S COLLEGE, ADELAIDE
                15 Mitton Avenue
mnt-by:         MAINT-SMCA-AU
last-modified:  2023-04-11T03:29:35Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)