% 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 'AS9483'

% Abuse contact for 'AS9483' is 'abuse@safenz.net'

aut-num:        AS9483
as-name:        FLATNET-AS-NZ
descr:          Flatnet Networks
descr:          Wellington
country:        NZ
import:         from AS7714 action pref=100; accept ANY
import:         from AS9896 action pref=100; accept ANY
import:         from AS9439 action pref=110; accept ANY
export:         to AS7714 announce AS9483
export:         to AS9896 announce AS9483
export:         to AS9439 announce AS9483
org:            ORG-VNZL1-AP
admin-c:        FA80-AP
tech-c:         FA80-AP
abuse-c:        AF430-AP
notify:         noc@flatnet.gen.nz
mnt-lower:      MAINT-NZ-DEAN
mnt-routes:     MAINT-NZ-DEAN
mnt-by:         APNIC-HM
mnt-irt:        IRT-FLATNET-NZ
last-modified:  2020-06-17T13:05:48Z
source:         APNIC

irt:            IRT-FLATNET-NZ
address:        Wellington
e-mail:         abuse@safenz.net
abuse-mailbox:  abuse@safenz.net
admin-c:        FA80-AP
tech-c:         FA80-AP
auth:           # Filtered
remarks:        abuse@safenz.net was validated on 2021-05-25
mnt-by:         MAINT-NZ-DEAN
last-modified:  2021-05-25T20:53:40Z
source:         APNIC

organisation:   ORG-VNZL1-AP
org-name:       Vodafone New Zealand Limited
country:        NZ
address:        Private Bag 92161
phone:          +64-21-746-071
fax-no:         +64-9-355-2001
e-mail:         neil.laurie@vodafone.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2017-08-20T22:54:09Z
source:         APNIC

role:           ABUSE FLATNETNZ
address:        Wellington
country:        ZZ
phone:          +000000000
e-mail:         abuse@safenz.net
admin-c:        FA80-AP
tech-c:         FA80-AP
nic-hdl:        AF430-AP
remarks:        Generated from irt object IRT-FLATNET-NZ
abuse-mailbox:  abuse@safenz.net
mnt-by:         APNIC-ABUSE
last-modified:  2020-06-17T13:05:48Z
source:         APNIC

role:           Flatnet Administration
address:        N/A
country:        NZ
phone:          +6421920373
e-mail:         noc@flatnet.gen.nz
admin-c:        DSP2-AP
tech-c:         DSP2-AP
nic-hdl:        FA80-AP
mnt-by:         MAINT-NZ-DEAN
last-modified:  2013-09-12T02:14:41Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-AU3)

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain