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 | 36,305,920 | 245 | 4 | 535 | |
| Daimler AG | 16,836,608 | 235 | 1 | 34 | |
| Vodafone GmbH | 10,965,276 | 1.29 x 242 | 2 | 193 | |
| 4 | Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. | 9,098,752 | 1.25 x 237 | 1 | 289 |
| 5 | Telefonica Germany GmbH & Co.OHG | 8,410,368 | 1.13 x 241 | 3 | 49 |
| 6 | GTT Communications Inc. | 2,644,805 | 1.41 x 237 | 1 | 2,606 |
| 7 | 1&1 Versatel Deutschland GmbH | 2,061,824 | 1.35 x 236 | 2 | 574 |
| 8 | Hetzner Online GmbH | 1,912,064 | 237 | 1 | 79 |
| 9 | Plusnet GmbH | 1,273,088 | 1.03 x 237 | 2 | 97 |
| 10 | ecotel communication ag | 1,125,632 | 233 | 2 | 43 |
| 11 | EWE TEL GmbH | 999,039 | 1.06 x 237 | 3 | 77 |
| 12 | PlusServer GmbH | 860,327 | 1.88 x 237 | 5 | 478 |
| 13 | Host Europe GmbH | 807,680 | 1.34 x 236 | 13 | 1,044 |
| 14 | Deutsche Post AG | 787,456 | 0 | 2 | 15 |
| 15 | freenet Datenkommunikations GmbH | 772,352 | 232 | 1 | 15 |
| 16 | Tele Columbus AG | 609,536 | 1.69 x 235 | 3 | 65 |
| 17 | euNetworks GmbH | 581,502 | 1.88 x 236 | 2 | 89 |
| 18 | NetCologne Gesellschaft fur Telekommunikation mbH | 559,616 | 1.63 x 236 | 1 | 37 |
| 19 | 1&1 IONOS SE | 551,424 | 1.5 x 235 | 1 | 47 |
| 20 | M-net Telekommunikations GmbH | 526,337 | 1.06 x 236 | 1 | 81 |