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 | 5,190,400 | 1.25 x 235 | 1 | 180 | |
| Telenor A/S | 2,315,776 | 1.13 x 235 | 1 | 28 | |
| Sinal A/S | 561,152 | 1.13 x 237 | 3 | 53 | |
| 4 | GlobalConnect A/S | 473,088 | 1.09 x 237 | 4 | 178 |
| 5 | DANSK KABEL TV A/S | 340,992 | 1.06 x 236 | 1 | 13 |
| 6 | Norlys Digital A/S | 336,896 | 1.75 x 235 | 3 | 36 |
| 7 | FIBIA P/S | 333,824 | 232 | 1 | 13 |
| 8 | Hiper A/S | 214,016 | 235 | 1 | 14 |
| 9 | DSV Panalpina A/S | 167,936 | 235 | 1 | 26 |
| 10 | Sentia Denmark A/S | 113,664 | 1.63 x 235 | 1 | 117 |
| 11 | KMD A/S | 90,624 | 232 | 1 | 5 |
| 12 | Post Danmark A/S | 82,176 | 0 | 1 | 3 |
| 13 | Aeven A/S | 69,632 | 0 | 1 | 2 |
| 14 | Aura Fiber OE A/S | 66,560 | 232 | 1 | 6 |
| 15 | DXC Technology Danmark A/S | 66,048 | 232 | 1 | 9 |
| 16 | Altibox Danmark AS | 66,048 | 233 | 1 | 23 |
| 17 | team.blue Denmark A/S | 63,744 | 1.16 x 235 | 6 | 68 |
| 18 | Itm8 A/S | 53,504 | 1.38 x 235 | 7 | 86 |
| 19 | Dansk Net A/S | 36,864 | 0 | 1 | 5 |
| 20 | Bolignet-Aarhus | 35,328 | 0 | 1 | 4 |