Top 20 organizations with the largest IP allocations in Australia
Top 20 organizations with the largest IP allocations
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Telstra Corporation | 13,693,636 | 244 | 2 | 599 | |
| SingTel Optus Pty Ltd | 6,477,596 | 1.5 x 233 | 25 | 1,356 | |
| TPG Internet Pty Ltd | 2,233,004 | 234 | 12 | 5,320 | |
| 4 | VOCUS PTY LTD | 2,090,824 | 1.25 x 235 | 19 | 4,626 |
| 5 | iiNet Limited | 1,977,328 | 2 x 234 | 6 | 1,360 |
| 6 | Vodafone Australia Pty Ltd | 1,368,064 | 1.38 x 227 | 2 | 741 |
| 7 | AAPT Limited | 910,839 | 1.25 x 234 | 19 | 1,905 |
| 8 | Commonwealth Scientific and Industrial Research Organisation | 604,928 | 233 | 2 | 52 |
| 9 | Foxtel Management Pty Ltd | 538,880 | 1.13 x 231 | 3 | 276 |
| 10 | Iseek Communications Pty Ltd | 499,456 | 232 | 4 | 313 |
| 11 | Australian Academic and Research Network | 481,536 | 232 | 6 | 34 |
| 12 | Department of Finance (ServiceNet) | 398,848 | 0 | 3 | 65 |
| 13 | Telcoinabox Operations Pty Ltd | 387,584 | 0 | 2 | 215 |
| 14 | Macquarie Corporate Telecommunications | 385,024 | 232 | 3 | 300 |
| 15 | Monash University | 248,576 | 232 | 2 | 92 |
| 16 | CITEC | 215,552 | 232 | 1 | 67 |
| 17 | Exetel Pty Ltd | 176,384 | 232 | 1 | 537 |
| 18 | University of Queensland | 151,296 | 232 | 1 | 16 |
| 19 | National Australia Bank Limited | 139,776 | 0 | 1 | 104 |
| 20 | Verizon Australia PTY Limited | 137,216 | 232 | 1 | 80 |
