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 | 13,629,700 | 244 | 2 | 627 | |
| SingTel Optus Pty Ltd | 6,282,524 | 1.75 x 233 | 25 | 1,279 | |
| TPG Internet Pty Ltd | 2,341,308 | 234 | 12 | 5,418 | |
| 4 | VOCUS PTY LTD | 2,091,648 | 1.25 x 235 | 20 | 2,278 |
| 5 | iiNet Limited | 1,820,912 | 2 x 234 | 6 | 1,334 |
| 6 | Vodafone Australia Pty Ltd | 1,368,064 | 1.38 x 227 | 2 | 618 |
| 7 | AAPT Limited | 918,135 | 1.25 x 234 | 19 | 1,848 |
| 8 | Commonwealth Scientific and Industrial Research Organisation | 604,928 | 233 | 2 | 52 |
| 9 | Foxtel Management Pty Ltd | 538,880 | 1.13 x 231 | 3 | 279 |
| 10 | Iseek Communications Pty Ltd | 498,432 | 232 | 4 | 311 |
| 11 | Australian Academic and Research Network | 481,536 | 232 | 6 | 33 |
| 12 | Telcoinabox Operations Pty Ltd | 453,120 | 0 | 2 | 229 |
| 13 | Macquarie Corporate Telecommunications | 385,280 | 232 | 3 | 305 |
| 14 | Datacom Systems | 263,680 | 232 | 9 | 142 |
| 15 | Monash University | 248,576 | 232 | 2 | 92 |
| 16 | CITEC | 225,024 | 232 | 1 | 75 |
| 17 | Department of Finance (ServiceNet) | 193,536 | 0 | 3 | 78 |
| 18 | Exetel Pty Ltd | 176,128 | 232 | 1 | 504 |
| 19 | University of Queensland | 150,784 | 232 | 1 | 14 |
| 20 | National Australia Bank Limited | 139,776 | 0 | 1 | 104 |
