% 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 '103.158.243.0 - 103.158.243.255'

% Abuse contact for '103.158.243.0 - 103.158.243.255' is 'abuse@neptune.net.au'

inetnum:        103.158.243.0 - 103.158.243.255
netname:        NEPTUNE-AU
descr:          Neptune Internet Pty Ltd
country:        AU
org:            ORG-NI18-AP
admin-c:        NIPL8-AP
tech-c:         NIPL8-AP
status:         ASSIGNED PORTABLE
abuse-c:        AN3245-AP
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-NEPTUNE-AU
mnt-routes:     MAINT-NEPTUNE-AU
mnt-irt:        IRT-NEPTUNE-AU
geofeed:        https://proteus.neptune.net.au/geofeed.csv
last-modified:  2025-12-15T02:32:55Z
source:         APNIC

irt:            IRT-NEPTUNE-AU
address:        1304/265 Exhibition Street, Melbourne Victoria 3000
e-mail:         abuse@neptune.net.au
abuse-mailbox:  abuse@neptune.net.au
admin-c:        NIPL8-AP
tech-c:         NIPL8-AP
auth:           # Filtered
remarks:        abuse@neptune.net.au was validated on 2025-09-16
mnt-by:         MAINT-NEPTUNE-AU
last-modified:  2025-11-18T00:38:03Z
source:         APNIC

organisation:   ORG-NI18-AP
org-name:       Neptune Internet
org-type:       LIR
country:        AU
address:        1304/265 Exhibition Street
phone:          +61482 383 202
e-mail:         noc@neptune.net.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-11-29T13:11:02Z
source:         APNIC

role:           ABUSE NEPTUNEAU
country:        ZZ
address:        1304/265 Exhibition Street, Melbourne Victoria 3000
phone:          +000000000
e-mail:         abuse@neptune.net.au
admin-c:        NIPL8-AP
tech-c:         NIPL8-AP
nic-hdl:        AN3245-AP
remarks:        Generated from irt object IRT-NEPTUNE-AU
remarks:        abuse@neptune.net.au was validated on 2025-09-16
abuse-mailbox:  abuse@neptune.net.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-16T15:00:04Z
source:         APNIC

role:           Neptune Internet Pty Ltd administrator
address:        1304/265 Exhibition Street, Melbourne Victoria 3000
country:        AU
phone:          +61499004609
e-mail:         abuse@neptune.net.au
admin-c:        NIPL8-AP
tech-c:         NIPL8-AP
nic-hdl:        NIPL8-AP
mnt-by:         MAINT-NEPTUNE-AU
last-modified:  2024-12-02T01:30:44Z
source:         APNIC

% Information related to '103.158.243.0/24AS151660'

route:          103.158.243.0/24
country:        AU
origin:         AS151660
descr:          Neptune Internet Pty Ltd
                1304/265 Exhibition Street
mnt-by:         MAINT-NEPTUNE-AU
last-modified:  2025-12-15T02:55:45Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.47 (WHOIS-AU4)