% APNIC found the following authoritative answer from: whois.apnic.net

% [whois.apnic.net]
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% Information related to '203.13.144.0 - 203.13.159.255'

% Abuse contact for '203.13.144.0 - 203.13.159.255' is 'netmaster@sap.com'

inetnum:        203.13.144.0 - 203.13.159.255
netname:        SAP-AU
descr:          SAP Australia
descr:          168 Walker Street
descr:          North Sydney
descr:          NSW 2060
country:        AU
org:            ORG-SA5-AP
admin-c:        SAP3-AP
tech-c:         SAP3-AP
abuse-c:        AS2286-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-DE-SAP
mnt-irt:        IRT-SAP-NON-AU
last-modified:  2020-06-17T13:08:05Z
source:         APNIC

irt:            IRT-SAP-NON-AU
address:        SAP AG
address:        Dietmar-Hopp-Allee 16
address:        D-69190 Walldorf
address:        Germany
e-mail:         netmaster@sap.com
abuse-mailbox:  netmaster@sap.com
admin-c:        BR85-AP
tech-c:         BR85-AP
auth:           # Filtered
remarks:        netmaster@sap.com was validated on 2026-07-28
mnt-by:         MAINT-DE-SAP
last-modified:  2026-07-28T14:33:19Z
source:         APNIC

organisation:   ORG-SA5-AP
org-name:       SAP Australia
org-type:       LIR
country:        AU
address:        Level 13, 1 Denison Street
phone:          +61-2-9935-4500
fax-no:         +61-2-9935-4644
e-mail:         info@sap.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-11-28T12:58:44Z
source:         APNIC

role:           ABUSE SAPNONAU
country:        ZZ
address:        SAP AG
address:        Dietmar-Hopp-Allee 16
address:        D-69190 Walldorf
address:        Germany
phone:          +000000000
e-mail:         netmaster@sap.com
admin-c:        BR85-AP
tech-c:         BR85-AP
nic-hdl:        AS2286-AP
remarks:        Generated from irt object IRT-SAP-NON-AU
remarks:        netmaster@sap.com was validated on 2026-07-28
abuse-mailbox:  netmaster@sap.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-07-28T14:33:48Z
source:         APNIC

role:           Internet Services SAP AG
address:        SAP AG
address:        Internet Services
address:        Matthias Braun
address:        Dietmar-Hopp-Allee 16
address:        D-69190 Walldorf
address:        Germany
phone:          +49 6227 74 7474
fax-no:         +49 6227 75 7575
e-mail:         netmaster@sap.com
country:        DE
admin-c:        BR85-AP
tech-c:         BR85-AP
nic-hdl:        SAP3-AP
mnt-by:         MAINT-DE-SAP
last-modified:  2008-09-04T07:54:16Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)