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How Australia ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Australia over time.
The largest autonomous systems registered to Australia by IPv4 footprint.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS1221AU | ASN-TELSTRA - Telstra Limited | 13.4M | 281 |
| AS4804AU | MPX-AS - Microplex PTY LTD | 9.3M | 396 |
| AS7545AU | TPG-INTERNET-AP - TPG Telecom Limited | 5.6M | 5,323 |
| AS4739AU | INTERNODE-AS - Internode Pty Ltd | 2.9M | 439 |
| AS133612AU | VODAFONE-AS-AP - Vodafone Australia Pty Ltd | 2.5M | 1,083 |
| AS7575AU | AARNET-AS-AP - Australian Academic and Research Network (AARNet) | 1.2M | 178 |
| AS2764AU | AAPT - AAPT Limited | 1.2M | 1,516 |
| AS9443AU | VOCUS-RETAIL-AU - Vocus Retail | 1.2M | 50 |
| AS135887AU | TELSTRA-BELONG-AP - Belong (Telstra Limited) | 849.4K | 471 |
| AS4764AU | WIDEBAND-AS-AP - Aussie Broadband | 722.9K | 410 |
Share of announced address space covered by valid Route Origin Authorizations.
3,002 autonomous systems registered to Australia. Click an AS for detail.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS132309AU | RDSPL-AS-AP - Redd digital services pty ltd | 2K | — | 5 |
| AS7550AU | SBS-AS-AU - ASN for SBS | 2K | — | 1 |
| AS152175AU | SOGPL-AS-AP - Sat One Global Pty Ltd | 2K | — | 6 |
| AS17481AU | ITBASECAMP-AS-AP - I.T. Basecamp Pty Ltd | 2K | — | 8 |
| AS131316AU | SLNET-AU - Slnet Hosting | 2K | — | 7 |
| AS140724AU | RACTPTYLTD-AS-AP - RACT PTY LTD | 2K | — | 6 |
| AS132808AU | AISPLTIT-AS-AP - IP Telco | 2K | 65.5K | 7 |
| AS151952AU | SCBPL-AS-AP - Southern Cross Broadband Pty Ltd | 2K | 65.5K | 8 |
| AS137474AU | PRONTO-AS-AP - Pronto Cloud Pty Ltd | 2K | — | 6 |
| AS136585AU | LEIDOS-AS-AP - LEIDOS AUSTRALIA PTY LIMITED | 2K | — | 3 |
| AS150673AU | WESTPAC-AS-AP - Westpac Banking Corporation | 2K | — | 6 |
| AS133094AU | HPIMRI-AS-AP - Harry Perkins Institute of Medical Research Inc | 2K | — | 3 |
| AS9544AU | PIP-AS-AP - Clarenston T/A Preferred Internet Provider | 2K | — | 8 |
| AS56206AU | CONNECTED-AS-AP - Connected Intelligence Pty Ltd | 2K | — | 1 |
| AS136741AU | CW-AS-AP - Channel Wireless Pty Ltd | 2K | — | 5 |
| AS45212AU | SECCOM-SYD-AS-AP - Seccom Networks, Service Provider Australia | 2K | — | 8 |
| AS132895AU | PCPL-AS-AP - Prodigy Communications Pty Ltd | 2K | 65.5K | 7 |
| AS136392AU | SVHM-AS-AP - ST. VINCENT'S HOSPITAL (MELBOURNE) LIMITED | 2K | — | 1 |
| AS24092AU | MOORECOLLEGE-AS-AP - Moore Theological College | 2K | — | 1 |
| AS37988AU | ALPHA-LAYER-AS-AP - Alpha Layer Pty Ltd | 2K | 18.7K | 13 |
| AS132848AU | CNTC-AS-AP - CNTCorp | 2K | — | 8 |
| AS24463AU | PACIFICNATIONALSERVICES-AS-AP - Pacific National Services Pty Ltd | 2K | — | 6 |
| AS17434AU | RBA-AUS-AP - RESERVE BANK OF AUSTRALIA | 2K | 512 | 10 |
| AS56037AU | ESCAPENET-AU - Escapenet Pty Ltd | 2K | — | 4 |
| AS45926AU | WEBINABOX-AS-AP - Web In A Box | 2K | 65.5K | 3 |
| AS24443AU | ISPNET-AS-AU - ISP Networks Pty Ltd Service Provider Australia | 2K | — | 8 |
| AS135513AU | XYZTELECOM-AS-AP - XYZ Telecom Pty Ltd | 2K | — | 2 |
| AS136218AU | TARGETAUSTRALIA-AS-AP - TARGET AUSTRALIA PTY. LTD. | 2K | — | 5 |
| AS133435AU | RWTS-AS-AP - Real World Technology Solutions Pty Ltd | 2K | — | 5 |
| AS134507AU | GBMPL-AS-AP - Gee Bees Media Pty Ltd | 2K | — | 6 |
| AS136931AU | CSL-AS-AP - CSL Limited | 2K | — | 6 |
| AS132616AU | ICC-AS-AP - Ipswich City Council | 2K | — | 5 |
| AS132158AU | AUSTRALIAN-SYNCHROTRON-AS-AP - Australian Synchrotron | 2K | 65.5K | 3 |
| AS24315AU | Ciphertel-AS-AP - Ciphertel Pty Ltd | 2K | 1 | 9 |
| AS58434AU | MOBILIZER-AU - Mobilizer Pty Ltd | 2K | 65.5K | 3 |
| AS137057AU | AACO-AS-AP - A.A. Company Pty Ltd | 2K | — | 3 |
| AS4825AU | FAL-AS-AP - Metcash Trading Ltd | 2K | — | 5 |
| AS64056AU | KAZILALLC-AS-AP - Kazila LLC | 2K | — | 2 |
| AS55328AU | REMEX-AU - Level 2, Building C | 2K | 12 | 20 |
| AS10080AU | INTERCONNECT1-AS-AP - Interconnect Networks Pty Ltd | 1.8K | 65.5K | 7 |
| AS139736AU | APEXHOST-AS-AP - Apexhost Pty Ltd | 1.8K | — | 6 |
| AS38534AU | ISCPL-AS-AP - IOOF SERVICE CO PTY LTD | 1.8K | — | 7 |
| AS10083AU | CYNERGIC-AS-AP - Cynergic Internet | 1.8K | — | 6 |
| AS18345AU | SERVERS-AUS-CUST - Servers Australia Customers | 1.8K | — | 7 |
| AS132576AU | WORLEYLIMITED-AS-AP - Worley Limited | 1.8K | — | 5 |
| AS56135AU | DELOITTESERVICES-AS-AP - DELOITTE SERVICES PTY LTD | 1.8K | — | 4 |
| AS58710AU | HVN-NET-AU - A1 Richmond Road | 1.8K | — | 4 |
| AS58750AU | THINKEX-AS-AP - ThinkEx Holdings Pty Ltd | 1.8K | 65.5K | 5 |
| AS56105AU | VICDET-AS-AP - Department of Education and Training - Victoria | 1.8K | — | 7 |
| AS4643AU | TXU-AS-AP - Optus Customer Network | 1.8K | — | 7 |