% 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 'AS9889'

% Abuse contact for 'AS9889' is 'irt-abuse@callplus.net.nz'

aut-num:        AS9889
as-name:        MAXNET-NZ-AP
descr:          Auckland
country:        NZ
org:            ORG-CSL3-AP
import:         from AS4648
                action pref=100;
                accept ANY
import:         from AS4768
                action pref=120;
                accept ANY
export:         to AS4648
                announce AS9889
export:         to AS4768
                announce AS9889
admin-c:        CNO2-AP
tech-c:         CNO2-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AP-CALLPLUS
mnt-irt:        IRT-CALLPLUS-NZ
last-modified:  2018-11-08T00:21:31Z
source:         APNIC

irt:            IRT-CALLPLUS-NZ
address:        Vocus Group NZ
address:        PO Box 108-109
address:        Symonds Street
address:        Auckland
e-mail:         irt-abuse@callplus.net.nz
abuse-mailbox:  irt-abuse@callplus.net.nz
admin-c:        SH48-AP
tech-c:         SH48-AP
auth:           # Filtered
mnt-by:         MAINT-AP-CALLPLUS
last-modified:  2018-05-27T22:36:38Z
source:         APNIC

organisation:   ORG-CSL3-AP
org-name:       CallPlus Services Limited
country:        NZ
address:        Level 4 110 Symonds Street
phone:          +64-9-916-3890
fax-no:         +64-9-915-7589
e-mail:         faults@callplus.co.nz
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2017-08-20T22:55:53Z
source:         APNIC

role:           CallPlus Network Operations
address:        CallPlus Services Ltd
address:        PO Box 108-109
address:        Symonds Street
address:        Auckland
address:        New Zealand
country:        NZ
phone:          +64-9-916-3890
fax-no:         +64-9-915-7589
e-mail:         noc@callplus.co.nz
admin-c:        SK1619-AP
tech-c:         SK1619-AP
nic-hdl:        CNO2-AP
notify:         noc@callplus.co.nz
mnt-by:         MAINT-AP-CALLPLUS
last-modified:  2010-04-13T23:13:22Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-NODE1)

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