List of the top 20 organizations with the largest IP allocations in Denmark
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| TDC Holding A/S | 5,318,144 | 1.38 x 235 | 2 | 161 | |
| Telenor A/S | 2,315,776 | 1.13 x 235 | 1 | 28 | |
| Norlys Digital A/S | 594,176 | 1.16 x 237 | 2 | 54 | |
| 4 | GlobalConnect A/S | 471,808 | 1.16 x 237 | 5 | 177 |
| 5 | DANSK KABEL TV A/S | 340,992 | 1.06 x 236 | 1 | 13 |
| 6 | FIBIA P/S | 333,824 | 232 | 1 | 13 |
| 7 | Nuuday A/S | 182,272 | 235 | 2 | 9 |
| 8 | DSV Panalpina A/S | 167,936 | 235 | 1 | 26 |
| 9 | Sentia Denmark A/S | 131,072 | 1.44 x 236 | 3 | 132 |
| 10 | KMD A/S | 90,624 | 232 | 1 | 5 |
| 11 | Post Danmark A/S | 82,176 | 0 | 1 | 3 |
| 12 | Aeven A/S | 69,632 | 0 | 1 | 2 |
| 13 | Aura Fiber OE A/S | 66,560 | 232 | 1 | 6 |
| 14 | DXC Technology Danmark A/S | 66,048 | 232 | 1 | 9 |
| 15 | Itm8 A/S | 63,488 | 1.25 x 235 | 6 | 93 |
| 16 | team.blue Denmark A/S | 56,576 | 1.16 x 235 | 3 | 56 |
| 17 | Dansk Net A/S | 36,864 | 0 | 1 | 5 |
| 18 | One.com A/S | 36,352 | 233 | 2 | 22 |
| 19 | Bolignet-Aarhus | 35,328 | 0 | 1 | 4 |
| 20 | Hiper A/S | 33,792 | 235 | 1 | 11 |