AbuseIPDB » WHOIS 1.40.243.51

1.40.243.51 IP Address Information

ISP OPTUS INTERNET - RETAIL
Usage Type Fixed Line ISP
Hostname n1-40-243-51.mas21.nsw.optusnet.com.au
Domain Name optus.net.au
Country πŸ‡¦πŸ‡Ί Australia
City Sydney, New South Wales

n1-40-243-51.mas21.nsw.optusnet.com.au

Want useful, structured WHOIS and DNS data like this? Check out SecurityTrails

Raw Whois Results for 1.40.243.51

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '1.40.0.0 - 1.43.255.255'

% Abuse contact for '1.40.0.0 - 1.43.255.255' is '[email protected]'

inetnum:        1.40.0.0 - 1.43.255.255
netname:        OPTUSINTERNET-AU
descr:          OPTUS INTERNET - RETAIL
descr:          INTERNET SERVICES
descr:          1 Lyonpark Road, Macquarie Park, NSW - 2113
country:        AU
org:            ORG-OIPL5-AP
admin-c:        OI3-AP
tech-c:         OI3-AP
abuse-c:        AO400-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-AU-OPTUSINTERNET
mnt-routes:     MAINT-AU-OPTUSINTERNET
mnt-irt:        IRT-OPTUSINTERNET-AU
last-modified:  2021-01-15T01:45:06Z
source:         APNIC

irt:            IRT-OPTUSINTERNET-AU
address:        1 Lyonpark Rd.
address:        Macquarie Park, NSW 2113
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        OI3-AP
tech-c:         OI3-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2026-07-01
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2026-07-20T06:31:44Z
source:         APNIC

organisation:   ORG-OIPL5-AP
org-name:       Optus Internet Pty Ltd
org-type:       LIR
country:        AU
address:        Building F, 3rd Floor
address:        1 Lyonpark Road
phone:          +61-2-8087-0020
fax-no:         +61-2-8085-5108
e-mail:         [email protected]
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:50Z
source:         APNIC

role:           ABUSE OPTUSINTERNETAU
country:        ZZ
address:        1 Lyonpark Rd.
address:        Macquarie Park, NSW 2113
phone:          +000000000
e-mail:         [email protected]
admin-c:        OI3-AP
tech-c:         OI3-AP
nic-hdl:        AO400-AP
remarks:        Generated from irt object IRT-OPTUSINTERNET-AU
remarks:        [email protected] was validated on 2026-07-01
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2026-07-01T00:03:28Z
source:         APNIC

role:           Optus Internet
address:        1 Lyonpark Rd.
address:        Macquarie Park, NSW 2113
country:        AU
phone:          +61-2-8082 7800
fax-no:         +61-2-8082 7100
e-mail:         [email protected]
admin-c:        OI1-AP
tech-c:         OI1-AP
nic-hdl:        OI3-AP
notify:         [email protected]
mnt-by:         MAINT-AU-OPTUSINTERNET
remarks:        send spam/abuse reports to [email protected]
remarks:        please use http://wq.apnic.net/apnic-bin/whois.pl
remarks:        to identify networks before sending reports and
remarks:        always include full headers/logs.
last-modified:  2021-09-07T23:35:56Z
source:         APNIC

% Information related to '1.40.192.0/18AS4804'

route:          1.40.192.0/18
origin:         AS4804
descr:          Optus Internet Pty Ltd
                Building F, 3rd Floor
                1 Lyonpark Road
mnt-by:         MAINT-AU-OPTUSINTERNET
last-modified:  2023-06-06T06:28:04Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)


This page displays the publicly-available WHOIS data for 1.40.243.51, which belongs to an unknown organization.

Recently Reported IPs:

πŸ‡«πŸ‡· 91.231.89.80
πŸ‡ΊπŸ‡Έ 216.180.246.90
πŸ‡¬πŸ‡ͺ 193.24.126.227
πŸ‡³πŸ‡± 192.253.248.163
πŸ‡§πŸ‡· 186.251.60.3
πŸ‡¨πŸ‡· 186.4.54.100
πŸ‡«πŸ‡· 91.231.89.209
πŸ‡ͺπŸ‡Έ 80.29.155.153
πŸ‡ΊπŸ‡Έ 52.248.42.156
πŸ‡ΊπŸ‡Έ 44.246.251.188
πŸ‡ΊπŸ‡Έ 34.73.52.152
πŸ‡ΊπŸ‡Έ 20.84.165.20
πŸ‡ΈπŸ‡¬ 8.222.244.154
πŸ‡©πŸ‡ͺ 213.209.159.84
πŸ‡¨πŸ‡³ 118.145.104.105
πŸ‡¨πŸ‡³ 111.225.214.178
πŸ‡ΊπŸ‡Έ 20.118.26.170
πŸ‡ͺπŸ‡Έ 88.21.157.126
πŸ‡ΊπŸ‡Έ 64.23.218.208
πŸ‡ΊπŸ‡Έ 51.81.111.115