WHOIS
Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
### IANA response (whois.iana.org)
% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object
refer: whois.apnic.net
inetnum: 203.0.0.0 - 203.255.255.255
organisation: APNIC
status: ALLOCATED
remarks: 203.0.113.0/24 reserved for TEST-NET-3 [RFC5737].
remarks: Complete registration details for 203.0.113.0/24 are
remarks: found iniana-ipv4-special-registry.
whois: whois.apnic.net
changed: 1993-05
source: IANA
### Registry response (whois.apnic.net)
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '203.40.0.0 - 203.47.255.255'
% Abuse contact for '203.40.0.0 - 203.47.255.255' is 'abuse@telstra.net'
inetnum: 203.40.0.0 - 203.47.255.255
netname: TELSTRAINTERNET2-AU
descr: Telstra Limited
country: AU
org: ORG-TC6-AP
admin-c: TIAR-AP
tech-c: TAN2-AP
abuse-c: AT1005-AP
status: ALLOCATED PORTABLE
remarks: -----
remarks: All reports regarding SPAM or security breaches
remarks: should be addressed to abuse@telstra.net
remarks: ------
mnt-by: APNIC-HM
mnt-lower: MAINT-AU-TIAR-AP
mnt-routes: MAINT-AU-TIAR-AP
mnt-irt: IRT-TELSTRA-AU
last-modified: 2024-05-10T00:50:23Z
geofeed: https://geofeed.tools.telstra.net/geofeed.csv
source: APNIC
irt: IRT-TELSTRA-AU
address: Telstra Internet
e-mail: abuse@telstra.net
abuse-mailbox: abuse@telstra.net
admin-c: TIAR-AP
tech-c: TIAR-AP
auth: # Filtered
remarks: abuse@telstra.net was validated on 2026-01-26
mnt-by: MAINT-AU-TIAR-AP
last-modified: 2026-01-26T01:19:20Z
source: APNIC
organisation: ORG-TC6-AP
org-name: Telstra Limited
org-type: LIR
country: AU
address: 242 Exhibition Street
e-mail: corporateaddressing@team.telstra.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2024-12-06T08:30:50Z
source: APNIC
role: ABUSE TELSTRAAU
country: ZZ
address: Telstra Internet
phone: +000000000
e-mail: abuse@telstra.net
admin-c: TIAR-AP
tech-c: TIAR-AP
nic-hdl: AT1005-AP
remarks: Generated from irt object IRT-TELSTRA-AU
remarks: abuse@telstra.net was validated on 2026-01-26
abuse-mailbox: abuse@telstra.net
mnt-by: APNIC-ABUSE
last-modified: 2026-01-26T01:19:29Z
source: APNIC
role: Telstra AU NOC
address: Telstra Internet
address: 242 Exhibition Street
address: Melbourne
address: VIC 3000
country: AU
phone: +61 3 8650 3305
e-mail: ipnoc-au@team.telstra.com
admin-c: TIAR-AP
tech-c: TIAR-AP
nic-hdl: TAN2-AP
mnt-by: MAINT-AU-TIAR-AP
last-modified: 2025-11-26T05:11:17Z
source: APNIC
person: Telstra Internet Address Registry
address: Telstra Internet
address: 242 Exhibition St
address: Melbourne
address: VIC 3000
country: AU
phone: +61 000000000
e-mail: addressing@telstra.net
nic-hdl: TIAR-AP
remarks: Telstra Internet Address Registry Role Object
mnt-by: MAINT-AU-TIAR-AP
last-modified: 2021-12-09T22:28:56Z
source: APNIC
% Information related to '203.40.0.0/13AS1221'
route: 203.40.0.0/13
origin: AS1221
descr: Telstra Corporation
242 Exhibition Street
mnt-by: MAINT-AU-TIAR-AP
last-modified: 2019-12-11T21:09:26Z
source: APNIC
% Information related to '203.40.0.0/13AS19905'
route: 203.40.0.0/13
origin: AS19905
descr: Telstra Corporation Limited
242 Exhibition Street
mnt-by: MAINT-AU-TIAR-AP
last-modified: 2022-09-12T02:33:17Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)