And 181 more
From RIPEstat
158 IPv4 prefixes covering 532,224 addresses, and 6 IPv6 prefixes
And 108 more
From bgp.tools
From PeeringDB
Location from GeoLite2 data created by MaxMind
# # 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 1997-2026, 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: http://wq.apnic.net/whois-search/static/search.html OrgTechHandle: AWC12-ARIN OrgTechName: APNIC Whois Contact OrgTechPhone: +61 7 3858 3188 OrgTechEmail: search-apnic-not-arin@apnic.net OrgTechRef: https://rdap.arin.net/registry/entity/AWC12-ARIN OrgAbuseHandle: AWC12-ARIN OrgAbuseName: APNIC Whois Contact OrgAbusePhone: +61 7 3858 3188 OrgAbuseEmail: search-apnic-not-arin@apnic.net 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 1997-2026, American Registry for Internet Numbers, Ltd. # % [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 'abuse@optusnet.com.au' 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: hostmaster@arin.net 19920518 remarks: source: ARIN remarks: remarks: ---------- notify: domain@optusnet.com.au 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: abuse@optusnet.com.au abuse-mailbox: abuse@optusnet.com.au admin-c: OA3-AP tech-c: OA3-AP auth: # Filtered remarks: abuse@optusnet.com.au was validated on 2026-07-01 mnt-by: MAINT-OPTUSCOM-AP last-modified: 2026-07-12T00:05:20Z 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: irr-admin@optus.com.au 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: abuse@optusnet.com.au admin-c: OA3-AP tech-c: OA3-AP nic-hdl: AO399-AP remarks: Generated from irt object IRT-OPTUSCOM-AU remarks: abuse@optusnet.com.au was validated on 2026-07-01 abuse-mailbox: abuse@optusnet.com.au mnt-by: APNIC-ABUSE last-modified: 2026-07-01T00:03:25Z 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: domain@optusnet.com.au 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: domain@optusnet.com.au 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: domain@optusnet.com.au mnt-by: MNT-OPTUSCOM-AU last-modified: 2008-09-04T07:31:28Z source: APNIC % Information related to '161.43.64.0/18AS7474' route: 161.43.64.0/18 origin: AS7474 descr: Singtel Optus Pty Ltd mnt-by: MAINT-OPTUSCOM-AP last-modified: 2025-01-22T05:28:51Z source: APNIC % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)