161.43.64.0/18
AS7474 · SingTel Optus Pty Ltd
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Country | Australia |
Domain | optus.net.au |
ASN | AS7474 |
Registry | apnic |
Hosted IPs | 16,384 |
ID | OPTUSNET |
WHOIS Details
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 2024-05-22 mnt-by: MAINT-OPTUSCOM-AP last-modified: 2024-05-22T04:21:38Z source: APNIC organisation: ORG-SOPL2-AP org-name: SingTel Optus Pty Ltd org-type: LIR country: AU address: Optus Macquarie Park (OCS) address: Building A, Level 2 address: 1 Lyonpark Road, address: Macquarie Park phone: +61-2-8082-7800 fax-no: +61-2-8082-7100 e-mail: ipadmin@optus.net.au mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T02:14:43Z source: APNIC role: ABUSE OPTUSCOMAU address: SingTel Optus Pty Ltd address: Optus Macquarie Park (OCS) address: 1 Lyonpark Road address: Macquarie Park NSW 2113 country: ZZ 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 2024-05-22 abuse-mailbox: abuse@optusnet.com.au mnt-by: APNIC-ABUSE last-modified: 2024-05-22T04:22:08Z 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: hostmaster@arin.poc 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
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What are IP address ranges?
IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.
Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.
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