% 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 '139.180.96.0 - 139.180.127.255'

% Abuse contact for '139.180.96.0 - 139.180.127.255' is 'abuse-alerts@as55850.net'

inetnum:        139.180.96.0 - 139.180.127.255
netname:        MERCURYNZ-NZ
descr:          Mercury NZ Limited
country:        NZ
admin-c:        ANA74-AP
tech-c:         ANA74-AP
abuse-c:        AM3384-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-NZ-MERCURYNZ
mnt-irt:        IRT-MERCURYNZ-NZ
last-modified:  2024-10-10T05:41:23Z
remarks:        Geofeed https://lg.as55850.net/geo_prefixes.csv
source:         APNIC

irt:            IRT-MERCURYNZ-NZ
address:        The Mercury Building 33
address:        Broadway, Newmarket
address:        Auckland
address:        New Zealand
e-mail:         noc@as55850.net
abuse-mailbox:  abuse-alerts@as55850.net
admin-c:        ANA74-AP
tech-c:         ANA74-AP
auth:           # Filtered
remarks:        abuse-alerts@as55850.net was validated on 2024-11-27
remarks:        noc@as55850.net was validated on 2024-12-03
mnt-by:         MAINT-NZ-MERCURYNZ
last-modified:  2024-12-03T17:15:58Z
source:         APNIC

role:           ABUSE MERCURYNZNZ
country:        ZZ
address:        The Mercury Building 33
address:        Broadway, Newmarket
address:        Auckland
address:        New Zealand
phone:          +000000000
e-mail:         noc@as55850.net
admin-c:        ANA74-AP
tech-c:         ANA74-AP
nic-hdl:        AM3384-AP
remarks:        Generated from irt object IRT-MERCURYNZ-NZ
remarks:        abuse-alerts@as55850.net was validated on 2024-11-27
remarks:        noc@as55850.net was validated on 2024-12-03
abuse-mailbox:  abuse-alerts@as55850.net
mnt-by:         APNIC-ABUSE
last-modified:  2024-12-03T17:16:28Z
source:         APNIC

role:           AS55850 - Network Administrator
address:        P.O. Box 12023
address:        Tauranga Mail Centre
address:        Tauranga 3143
country:        NZ
phone:          +6475476107
e-mail:         noc@as55850.net
admin-c:        MS2406-AP
tech-c:         DB720-AP
nic-hdl:        ANA74-AP
mnt-by:         MAINT-NZ-MERCURYNZ
last-modified:  2022-05-09T01:14:14Z
source:         APNIC

% Information related to '139.180.64.0/18AS55850'

route:          139.180.64.0/18
origin:         AS55850
descr:          Mercury NZ Limited
                P.O. Box 12023
                108 Durham Street
mnt-by:         MAINT-NZ-MERCURYNZ
last-modified:  2022-05-09T01:01:02Z
source:         APNIC

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