#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


NetRange: 161.43.0.0 - 161.43.255.255
CIDR: 161.43.0.0/16
NetName: APNIC-ERX-161-43-0-0
NetHandle: NET-161-43-0-0-1
Parent: NET161 (NET-161-0-0-0-0)
NetType: Early Registrations, Transferred to APNIC
OriginAS:
Organization: Asia Pacific Network Information Centre (APNIC)
RegDate: 2004-02-18
Updated: 2009-10-08
Comment: This IP address range is not registered in the ARIN database.
Comment: This range was transferred to the APNIC Whois Database as
Comment: part of the ERX (Early Registration Transfer) project.
Comment: For details, refer to the APNIC Whois Database via
Comment: WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl
Comment:
Comment: ** IMPORTANT NOTE: APNIC is the Regional Internet Registry
Comment: for the Asia Pacific region. APNIC does not operate networks
Comment: using this IP address range and is not able to investigate
Comment: spam or abuse reports relating to these addresses. For more
Comment: help, refer to http://www.apnic.net/apnic-info/whois_search2/abuse-and-spamming
Ref: https://rdap.arin.net/registry/ip/161.43.0.0

ResourceLink: https://apps.db.ripe.net/db-web-ui/query
ResourceLink: whois.apnic.net


OrgName: Asia Pacific Network Information Centre
OrgId: APNIC
Address: PO Box 3646
City: South Brisbane
StateProv: QLD
PostalCode: 4101
Country: AU
RegDate:
Updated: 2012-01-24
Ref: https://rdap.arin.net/registry/entity/APNIC

ReferralServer: whois://whois.apnic.net
ResourceLink: https://apps.db.ripe.net/db-web-ui/query

OrgTechHandle: AWC12-ARIN
OrgTechName: APNIC Whois Contact
OrgTechPhone: +61 7 3858 3188
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName: APNIC Whois Contact
OrgAbusePhone: +61 7 3858 3188
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#



Found a referral to whois.apnic.net.

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

% Information related to '161.43.0.0 - 161.43.255.255'

% Abuse contact for '161.43.0.0 - 161.43.255.255' is '[email protected]'

inetnum: 161.43.0.0 - 161.43.255.255
netname: OPTUSNET
descr: imported inetnum object for OCPL
country: AU
org: ORG-SOPL2-AP
admin-c: GW51-AP
tech-c: GW51-AP
abuse-c: AO399-AP
status: ALLOCATED PORTABLE
remarks: ----------
remarks: imported from ARIN object:
remarks:
remarks: inetnum: 161.43.0.0 - 161.43.255.255
remarks: netname: OPTUSNET
remarks: org-id: OCPL
remarks: status: assignment
remarks: tech-c: GW311-ARIN
remarks: reg-date: 1992-05-18
remarks: changed: [email protected] 19920518
remarks: source: ARIN
remarks:
remarks: ----------
notify: [email protected]
mnt-by: APNIC-HM
mnt-lower: MAINT-OPTUSCOM-AP
mnt-routes: MAINT-OPTUSCOM-AP
mnt-irt: IRT-OPTUSCOM-AU
last-modified: 2021-01-15T01:44:56Z
source: APNIC

irt: IRT-OPTUSCOM-AU
address: SingTel Optus Pty Ltd
address: Optus Macquarie Park (OCS)
address: 1 Lyonpark Road
address: Macquarie Park NSW 2113
e-mail: [email protected]
abuse-mailbox: [email protected]
admin-c: OA3-AP
tech-c: OA3-AP
auth: # Filtered
remarks: [email protected] was validated on 2025-06-18
mnt-by: MAINT-OPTUSCOM-AP
last-modified: 2025-11-18T00:26:33Z
source: APNIC

organisation: ORG-SOPL2-AP
org-name: SingTel Optus Pty Ltd
org-type: LIR
country: AU
address: Optus Macquarie Park (OCS)
address: 1 Lyonpark Road, Macquarie Park
phone: +61-2-8082-7800
fax-no: +61-2-8082-7100
e-mail: [email protected]
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2025-09-25T13:05:45Z
source: APNIC

role: ABUSE OPTUSCOMAU
country: ZZ
address: SingTel Optus Pty Ltd
address: Optus Macquarie Park (OCS)
address: 1 Lyonpark Road
address: Macquarie Park NSW 2113
phone: +000000000
e-mail: [email protected]
admin-c: OA3-AP
tech-c: OA3-AP
nic-hdl: AO399-AP
remarks: Generated from irt object IRT-OPTUSCOM-AU
remarks: [email protected] was validated on 2025-06-18
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2025-06-18T01:06:45Z
source: APNIC

person: Geoff Whelan
address: OptusNet
25 Atchison St
St Leonards, 2065
country: AU
phone: +61 2 1300 301 325
fax-no: +61 2 9439 1760
e-mail: [email protected]
nic-hdl: GW51-AP
remarks: ----------
remarks: imported from ARIN object:
remarks:
remarks: poc-handle: GW311-ARIN
remarks: is-role: N
remarks: last-name: Whelan
remarks: first-name: Geoff
remarks: street: OptusNet
25 Atchison St
St Leonards, 2065
remarks: country: AU
remarks: mailbox: [email protected]
remarks: fax-phone: 61 2 9439 1760
remarks: bus-phone: 61 2 1300 301 325
remarks: reg-date: 1992-05-18
remarks: changed: [email protected] 20010220
remarks: source: ARIN
remarks:
remarks: ----------
notify: [email protected]
mnt-by: MNT-OPTUSCOM-AU
last-modified: 2008-09-04T07:31:28Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)