🇦🇺 Australia
Registry and organization country assignments can differ from the physical location of an IP. Snapshot: 2026-10-04.
46,089,472
Delegated IPv4 address slots
3,046
Registered ASNs
62
Hosting ASNs
1,858
Known VPN exit prefixes
Country reference
- ISO code
- AU
- Continent
- Oceania
- Capital
- Canberra
- Currency
- AUD
- Calling code
- 61
- EU member
- No
- Delegated IPv6 address slots
- 757,586,302,785,628,888,091,052,895,895,552
Registry allocations
Allocated and assigned RIR prefixes; address slots are summed across records and may overlap.
| Registry | Prefixes | IPv4 slots | IPv6 slots |
|---|---|---|---|
| APNIC | 11,604 | 45,882,368 | 752,193,834,765,575,951,998,963,136,069,632 |
| ARIN | 7 | 9,216 | 4,952,969,082,961,135,728,771,203,072 |
| RIPE_NCC | 95 | 197,888 | 5,387,515,050,969,974,956,360,988,622,848 |
Major autonomous systems
Showing up to 200 of 3,046 ASNs assigned to this country, ranked by announced IPv4 prefix address slots. Overlapping announcements count separately.
| ASN | Organization | Category | IPv4 slots | IPv6 prefixes |
|---|---|---|---|---|
| AS1221 | Telstra Limited | business | 13,405,696 | 2 |
| AS4804 | SingTel Optus Pty Ltd | business | 9,329,920 | 137 |
| AS7545 | TPG Internet Pty Ltd | business | 5,705,472 | 592 |
| AS133612 | Vodafone Australia Pty Ltd | business | 3,170,560 | 1,164 |
| AS4739 | iiNet Limited | business | 2,883,072 | 10 |
| AS7575 | Australian Academic and Research Network | education | 1,227,776 | 435 |
| AS2764 | AAPT Limited | business | 1,186,304 | 118 |
| AS9443 | VOCUS PTY LTD | business | 1,154,048 | 3 |
| AS135887 | Telstra Limited | business | 921,088 | 6 |
| AS4764 | Aussie Fibre Pty Ltd | isp | 726,272 | 19 |
| AS7474 | SingTel Optus Pty Ltd | business | 565,504 | 8 |
| AS6262 | Commonwealth Scientific and Industrial Research Organisation | education | 550,400 | 17 |
| AS10143 | SUPERLOOP (AUSTRALIA) PTY LTD | business | 404,992 | 27 |
| AS38333 | Symbio Networks Pty Ltd | business | 363,264 | 0 |
| AS4826 | VOCUS PTY LTD | business | 341,504 | 7 |
| AS38809 | VOCUS PTY LTD | business | 268,544 | 8 |
| AS56132 | PT. Monash Indonesia Services | business | 244,736 | 14 |
| AS9650 | CITEC | business | 242,176 | 1 |
| AS24033 | Australian Private Networks Pty Ltd | business | 230,656 | 0 |
| AS38195 | SUPERLOOP (AUSTRALIA) PTY LTD | business | 218,882 | 5 |
| AS140637 | Macquarie Technology Operations Pty Limited | business | 210,944 | 3 |
| AS9555 | Verizon Australia Pty Limited | business | 207,104 | 5 |
| AS9328 | DATACOM SYSTEMS (AU) PTY LTD | business | 204,544 | 3 |
| AS24014 | Bond University Limited | education | 197,376 | 0 |
| AS23859 | Australian Academic and Research Network | education | 196,864 | 0 |
Largest cities by reference population
GeoNames reference data; this is not a count of located IP addresses.
- Sydney · 5,638,830
- Melbourne · 5,435,590
- Brisbane · 2,780,063
- Perth · 2,384,371
- Adelaide · 1,469,163
- Gold Coast · 640,778
- Newcastle · 508,437
- Sunshine Coast · 398,840
- Canberra · 367,752
- Central Coast · 346,596
Hosting counts use ASN organization classifications. VPN counts include distinct exit prefixes with a source-provided country seen within seven days of this snapshot; zero means no known evidence, not absence. Country and city references: GeoNames (CC BY 4.0).