% 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 '103.51.112.0 - 103.51.115.255'

% Abuse contact for '103.51.112.0 - 103.51.115.255' is 'noc@leaptel.com.au'

inetnum:        103.51.112.0 - 103.51.115.255
netname:        LEAP-AU
descr:          Leaptel
country:        AU
org:            ORG-LA59-AP
admin-c:        LTPL7-AP
tech-c:         LTPL7-AP
abuse-c:        AL1815-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-LEAP-AU
mnt-routes:     MAINT-LEAP-AU
mnt-irt:        IRT-LEAP-AU
last-modified:  2023-10-11T11:00:50Z
geofeed:        https://www.xi.com.au/geo/RFC8805.csv
source:         APNIC

irt:            IRT-LEAP-AU
address:        Suite 2, Level 1, 18 Prospect St, Box Hill Victoria 3128
e-mail:         noc@leaptel.com.au
abuse-mailbox:  noc@leaptel.com.au
admin-c:        LTPL7-AP
tech-c:         LTPL7-AP
auth:           # Filtered
remarks:        noc@leaptel.com.au was validated on 2025-10-21
mnt-by:         MAINT-LEAP-AU
last-modified:  2025-11-18T00:37:10Z
source:         APNIC

organisation:   ORG-LA59-AP
org-name:       Leaptel
org-type:       LIR
country:        AU
address:        PO Box 120
phone:          +611300205327
e-mail:         noc@leaptel.com.au
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-11-10T14:08:48Z
source:         APNIC

role:           ABUSE LEAPAU
country:        ZZ
address:        Suite 2, Level 1, 18 Prospect St, Box Hill Victoria 3128
phone:          +000000000
e-mail:         noc@leaptel.com.au
admin-c:        LTPL7-AP
tech-c:         LTPL7-AP
nic-hdl:        AL1815-AP
remarks:        Generated from irt object IRT-LEAP-AU
remarks:        noc@leaptel.com.au was validated on 2025-10-21
abuse-mailbox:  noc@leaptel.com.au
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-21T21:38:43Z
source:         APNIC

role:           Leap Telecommunications Pty Ltd administrator
address:        PO Box 120, Camberwell VIC 3124
country:        AU
phone:          +611300205327
e-mail:         noc@leaptel.com.au
admin-c:        LTPL7-AP
tech-c:         LTPL7-AP
nic-hdl:        LTPL7-AP
mnt-by:         MAINT-LEAP-AU
last-modified:  2024-11-10T11:20:28Z
source:         APNIC

% Information related to '103.51.113.0/24AS134090'

route:          103.51.113.0/24
origin:         AS134090
descr:          Leap Telecommunications Pty Ltd
                PO Box 120
                Cameberwell, VIC 3124
                Australia
mnt-by:         MAINT-LEAP-AU
last-modified:  2024-11-10T11:23:11Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)