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 | 1,271,040 | 1.06 x 237 | 6 | 261 | |
| One New Zealand Group Limited | 1,241,856 | 1.5 x 234 | 8 | 132 | |
| Spark New Zealand Trading Limited | 770,048 | 1.1 x 232 | 3 | 641 | |
| 4 | Vodafone Next Generation Services Limited | 196,608 | 232 | 1 | 4 |
| 5 | Voyager Internet Ltd. | 113,152 | 1.5 x 234 | 5 | 38 |
| 6 | Mercury NZ Limited | 110,336 | 233 | 2 | 34 |
| 7 | Massey University | 100,864 | 232 | 1 | 12 |
| 8 | Devoli LTD | 79,872 | 1.64 x 233 | 1 | 129 |
| 9 | BayCity Communications | 77,824 | 0 | 2 | 8 |
| 10 | InSPire Net Ltd | 75,520 | 232 | 1 | 28 |
| 11 | Air New Zealand Limited | 67,584 | 0 | 1 | 9 |
| 12 | The University of Auckland | 66,048 | 217 | 1 | 5 |
| 13 | Auckland University of Technology | 66,048 | 232 | 1 | 4 |
| 14 | Jade Software Corporation Limited | 66,048 | 0 | 1 | 17 |
| 15 | University of Otago | 65,792 | 0 | 1 | 2 |
| 16 | INTERNET COMPANY OF NEW ZEALAND LIMITED | 64,768 | 232 | 2 | 16 |
| 17 | Sky Network Television Ltd | 53,760 | 232 | 2 | 160 |
| 18 | HostRoyale Technologies Pvt Ltd | 52,736 | 235 | 1 | 65 |
| 19 | University of Canterbury | 50,432 | 232 | 1 | 8 |
| 20 | Solarix Networks Limited | 47,616 | 1.61 x 233 | 5 | 93 |