List of the top 20 organizations with the largest IP allocations in New Zealand
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Two Degrees Mobile Limited | 1,412,864 | 1.06 x 237 | 6 | 305 | |
| One New Zealand Group Limited | 1,266,432 | 235 | 8 | 150 | |
| Spark New Zealand Trading Limited | 770,560 | 1.1 x 232 | 3 | 646 | |
| 4 | Vodafone Next Generation Services Limited | 196,608 | 232 | 1 | 4 |
| 5 | University of Canterbury | 132,352 | 232 | 1 | 10 |
| 6 | University of Waikato | 131,840 | 216 | 1 | 7 |
| 7 | Voyager Internet Ltd. | 120,576 | 1.5 x 234 | 5 | 60 |
| 8 | BayCity Communications | 112,128 | 0 | 2 | 24 |
| 9 | Mercury NZ Limited | 110,592 | 233 | 3 | 35 |
| 10 | Massey University | 100,864 | 232 | 1 | 12 |
| 11 | Devoli LTD | 80,384 | 1.63 x 233 | 4 | 126 |
| 12 | InSPire Net Ltd | 74,496 | 232 | 1 | 24 |
| 13 | Air New Zealand Limited | 67,584 | 0 | 1 | 9 |
| 14 | Jade Software Corporation Limited | 66,304 | 0 | 1 | 18 |
| 15 | Auckland University of Technology | 66,048 | 232 | 1 | 4 |
| 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 | HostRoyale Technologies Pvt Ltd | 54,528 | 0 | 1 | 201 |
| 20 | Solarix Networks Limited | 47,360 | 1.61 x 233 | 5 | 91 |