List of the top 20 organizations with the largest IP allocations in Denmark
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| TDC A/S | 7,047,424 | 1.22 x 237 | 3 | 278 | |
| Telenor A/S | 2,316,544 | 1.13 x 235 | 1 | 28 | |
| Stofa A/S | 385,280 | 1.25 x 236 | 3 | 47 | |
| 4 | DANSK KABEL TV A/S | 361,472 | 1.06 x 236 | 1 | 16 |
| 5 | Telia Company AB | 318,720 | 1.13 x 236 | 2 | 41 |
| 6 | GlobalConnect NN A/S | 296,448 | 1.5 x 236 | 3 | 129 |
| 7 | FIBIA P/S | 269,312 | 232 | 2 | 14 |
| 8 | Eniig Fiber A/S | 207,872 | 234 | 2 | 21 |
| 9 | Sentia Denmark A/S | 168,128 | 1.44 x 236 | 5 | 71 |
| 10 | Zen Systems A/S | 136,960 | 1.25 x 234 | 1 | 24 |
| 11 | GlobalConnect A/S | 112,640 | 1.75 x 235 | 2 | 67 |
| 12 | DXC Technology Danmark A/S | 93,696 | 0 | 1 | 62 |
| 13 | KMD A/S | 90,624 | 232 | 1 | 5 |
| 14 | Post Danmark A/S | 82,176 | 0 | 1 | 3 |
| 15 | DSV A/S | 79,360 | 235 | 2 | 15 |
| 16 | Sagitta ApS | 73,728 | 0 | 1 | 2 |
| 17 | NNIT A/S | 69,888 | 0 | 2 | 3 |
| 18 | Sentia Denmark Services 6 A/S | 68,864 | 1.19 x 236 | 1 | 23 |
| 19 | Aura Fiber OE A/S | 66,560 | 232 | 1 | 6 |
| 20 | Zitcom A/S | 57,344 | 1.09 x 236 | 6 | 52 |