List of the top 20 organizations with the largest IP allocations in New Zealand
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Vodafone New Zealand Limited | 1,354,496 | 235 | 10 | 193 | |
| Spark New Zealand Trading Limited | 1,198,336 | 1.11 x 232 | 5 | 890 | |
| Two Degrees Mobile Limited | 757,248 | 1.48 x 235 | 5 | 272 | |
| 4 | CallPlus Services Limited | 628,736 | 1.38 x 236 | 4 | 87 |
| 5 | Massey University | 190,976 | 232 | 1 | 15 |
| 6 | The University of Waikato | 131,584 | 216 | 1 | 6 |
| 7 | Voyager Internet Ltd. | 122,112 | 1.25 x 234 | 4 | 67 |
| 8 | BayCity Communications | 111,616 | 0 | 2 | 24 |
| 9 | Mercury NZ Limited | 90,624 | 232 | 2 | 21 |
| 10 | Devoli LTD | 77,056 | 1.07 x 234 | 2 | 121 |
| 11 | InSPire Net Ltd | 74,240 | 232 | 1 | 23 |
| 12 | Air New Zealand Limited | 67,584 | 0 | 1 | 9 |
| 13 | Auckland University of Technology | 66,305 | 232 | 1 | 6 |
| 14 | Jade Software Corporation Limited | 66,304 | 232 | 1 | 19 |
| 15 | The Horticulture and Food Research Institute of New Zealand | 66,048 | 0 | 1 | 3 |
| 16 | The University of Auckland | 66,048 | 217 | 1 | 5 |
| 17 | University of Otago | 65,792 | 0 | 1 | 2 |
| 18 | INTERNET COMPANY OF NEW ZEALAND LIMITED | 64,768 | 232 | 2 | 16 |
| 19 | Kordia Limited | 43,776 | 232 | 1 | 23 |
| 20 | Vector Communications Ltd | 37,632 | 0 | 1 | 20 |