List of the top 20 organizations with the largest IP allocations in Germany
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Deutsche Telekom AG | 38,267,392 | 245 | 4 | 533 | |
| Daimler AG | 16,830,464 | 1.13 x 235 | 1 | 32 | |
| Vodafone GmbH | 11,029,372 | 1.29 x 242 | 2 | 196 | |
| 4 | Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. | 8,836,352 | 1.25 x 237 | 1 | 288 |
| 5 | Telefonica Germany GmbH & Co.OHG | 8,410,368 | 1.13 x 241 | 3 | 49 |
| 6 | GTT Communications Inc. | 2,581,312 | 1.41 x 237 | 1 | 916 |
| 7 | 1&1 Versatel Deutschland GmbH | 2,077,952 | 1.43 x 236 | 2 | 598 |
| 8 | Hetzner Online GmbH | 1,911,296 | 237 | 1 | 82 |
| 9 | Plusnet GmbH | 1,268,225 | 1.03 x 237 | 2 | 94 |
| 10 | ecotel communication ag | 1,128,448 | 233 | 2 | 47 |
| 11 | EWE TEL GmbH | 999,640 | 1.06 x 237 | 3 | 72 |
| 12 | Host Europe GmbH | 820,480 | 1.16 x 236 | 13 | 1,063 |
| 13 | Deutsche Post AG | 787,456 | 0 | 2 | 15 |
| 14 | freenet Datenkommunikations GmbH | 772,352 | 232 | 1 | 15 |
| 15 | PlusServer GmbH | 624,168 | 1.88 x 237 | 5 | 345 |
| 16 | Tele Columbus AG | 609,536 | 1.69 x 235 | 3 | 65 |
| 17 | euNetworks GmbH | 579,351 | 1.94 x 236 | 2 | 80 |
| 18 | 1&1 IONOS SE | 566,272 | 1.75 x 235 | 2 | 67 |
| 19 | NetCologne Gesellschaft fur Telekommunikation mbH | 559,616 | 1.63 x 236 | 1 | 37 |
| 20 | M-net Telekommunikations GmbH | 537,345 | 1.06 x 236 | 1 | 79 |