% 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 '203.20.192.0 - 203.20.199.255'

% Abuse contact for '203.20.192.0 - 203.20.199.255' is 'DL_IT_CIS_Network_Services@originenergy.com.au'

inetnum:        203.20.192.0 - 203.20.199.255
netname:        ORIGIN-AU
descr:          Origin Energy Limited
country:        AU
org:            ORG-OESL1-AP
admin-c:        ONS5-AP
tech-c:         ONS5-AP
abuse-c:        AO248-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AU-ORIGIN
mnt-routes:     MAINT-AU-ORIGIN
mnt-irt:        IRT-ORIGIN-AU
last-modified:  2025-09-10T23:47:56Z
remarks:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
source:         APNIC

irt:            IRT-ORIGIN-AU
address:        Origin Energy Limited
address:        Level 32 Barangaroo Tower One
address:        100 Barangaroo Avenue Barangaroo NSW 2000
e-mail:         DL_IT_CIS_Network_Services@originenergy.com.au
abuse-mailbox:  DL_IT_CIS_Network_Services@originenergy.com.au
admin-c:        ONS5-AP
tech-c:         ONS5-AP
auth:           # Filtered
remarks:        dl_it_cis_network_services@originenergy.com.au was validated on 2025-08-19
mnt-by:         MAINT-AU-ORIGIN
last-modified:  2025-11-18T00:27:08Z
source:         APNIC

organisation:   ORG-OESL1-AP
org-name:       Origin Energy Services Ltd
org-type:       LIR
country:        AU
address:        Level 32
address:        100 Barangaroo Avenue
phone:          +61-3-9957-0052
e-mail:         apnic_admin@originenergy.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:57Z
source:         APNIC

role:           ABUSE ORIGINAU
country:        ZZ
address:        Origin Energy Limited
address:        Level 32 Barangaroo Tower One
address:        100 Barangaroo Avenue Barangaroo NSW 2000
phone:          +000000000
e-mail:         DL_IT_CIS_Network_Services@originenergy.com.au
admin-c:        ONS5-AP
tech-c:         ONS5-AP
nic-hdl:        AO248-AP
remarks:        Generated from irt object IRT-ORIGIN-AU
remarks:        dl_it_cis_network_services@originenergy.com.au was validated on 2025-08-19
abuse-mailbox:  DL_IT_CIS_Network_Services@originenergy.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-19T22:47:49Z
source:         APNIC

person:         Origin Network Services
address:        Origin Energy Limited
address:        Level 32
address:        100 Barangaroo Ave
address:        Barangaroo NSW 2000
country:        AU
phone:          +61 3 9957 0052
e-mail:         apnic_admin@originenergy.com.au
nic-hdl:        ONS5-AP
mnt-by:         MAINT-AU-ORIGIN
last-modified:  2021-09-20T10:40:02Z
source:         APNIC

% Information related to '203.20.195.0/24AS14618'

route:          203.20.195.0/24
origin:         AS14618
descr:          Origin Energy Services Ltd
                Level 32
                100 Barangaroo Avenue
mnt-by:         MAINT-AU-ORIGIN
last-modified:  2025-01-22T23:45:12Z
source:         APNIC

% Information related to '203.20.195.0/24AS16509'

route:          203.20.195.0/24
origin:         AS16509
descr:          Origin Energy Services Ltd
                Level 32
                100 Barangaroo Avenue
mnt-by:         MAINT-AU-ORIGIN
last-modified:  2025-01-22T23:44:48Z
source:         APNIC

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