% 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 '203.98.0.0 - 203.98.63.255'

% Abuse contact for '203.98.0.0 - 203.98.63.255' is 'hostmaster.nz@vodafone.com'

inetnum:        203.98.0.0 - 203.98.63.255
netname:        ONENZ-NZ
descr:          One New Zealand Group Limited
country:        NZ
org:            ORG-VNZL1-AP
admin-c:        NO26-AP
tech-c:         NO26-AP
abuse-c:        AO464-AP
status:         ALLOCATED 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-lower:      MAINT-ONENZ-NZ
mnt-irt:        IRT-ONENZ-NZ
last-modified:  2023-10-12T22:09:49Z
mnt-routes:     MAINT-ONENZ-NZ
source:         APNIC

irt:            IRT-ONENZ-NZ
address:        Smales Farm
address:        74 Taharoto Road Takapuna
address:        Auckland 0622 New Zealand
e-mail:         PlanningandDesign.Networks@vodafone.nz
abuse-mailbox:  hostmaster.nz@vodafone.com
admin-c:        ONZG1-AP
tech-c:         ONZG1-AP
auth:           # Filtered
remarks:        planninganddesign.networks@vodafone.nz was validated on 2023-02-22
mnt-by:         MAINT-ONENZ-NZ
last-modified:  2023-03-29T23:34:44Z
source:         APNIC

organisation:   ORG-VNZL1-AP
org-name:       One New Zealand Group Limited
org-type:       LIR
country:        NZ
address:        Smales Farm
address:        74 Taharoto Road
address:        Takapuna
phone:          +64-21-746-071
fax-no:         +64-9-355-2001
e-mail:         neil.laurie@one.nz
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-03-27T12:55:06Z
source:         APNIC

role:           ABUSE ONENZNZ
address:        Smales Farm
address:        74 Taharoto Road Takapuna
address:        Auckland 0622 New Zealand
country:        ZZ
phone:          +000000000
e-mail:         PlanningandDesign.Networks@vodafone.nz
admin-c:        ONZG1-AP
tech-c:         ONZG1-AP
nic-hdl:        AO464-AP
remarks:        Generated from irt object IRT-ONENZ-NZ
remarks:        planninganddesign.networks@vodafone.nz was validated on 2023-02-22
abuse-mailbox:  hostmaster.nz@vodafone.com
mnt-by:         APNIC-ABUSE
last-modified:  2023-03-29T05:12:24Z
source:         APNIC

person:         Network Operations
nic-hdl:        NO26-AP
e-mail:         hostmaster@vodafone.co.nz
address:        Smales Farm
address:        74 Taharoto Road
                Takapuna
address:        Auckland 0622
address:        New Zealand
phone:          +64-9-355-2000
fax-no:         +64-9-355-2001
country:        NZ
mnt-by:         MAINT-NZ-VODAFONE-NZ
last-modified:  2017-08-15T22:10:25Z
source:         APNIC

% Information related to '203.98.0.0/18AS4768'

route:          203.98.0.0/18
origin:         AS4768
descr:          One NZ Private Bag 92161 Victoria Street West Auckland 1142 New Zealand
mnt-by:         MAINT-ONENZ-NZ
last-modified:  2024-07-02T00:56:37Z
source:         APNIC

% Information related to '203.98.0.0/18AS9500'

route:          203.98.0.0/18
origin:         AS9500
descr:          One NZ Private Bag 92161 Victoria Street West Auckland 1142 New Zealand
mnt-by:         MAINT-ONENZ-NZ
last-modified:  2024-07-02T00:57:58Z
source:         APNIC

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