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 | 36,044,288 | 245 | 4 | 522 | |
| Daimler AG | 16,830,464 | 1.13 x 235 | 1 | 32 | |
| Vodafone GmbH | 11,029,116 | 1.29 x 242 | 2 | 199 | |
| 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 | Universitaet Stuttgart | 2,714,880 | 1.56 x 236 | 1 | 101 |
| 7 | 1&1 Versatel Deutschland GmbH | 2,117,120 | 1.46 x 236 | 2 | 699 |
| 8 | Hetzner Online GmbH | 2,042,368 | 1.03 x 237 | 1 | 85 |
| 9 | Plusnet GmbH | 1,267,968 | 1.03 x 237 | 2 | 92 |
| 10 | ecotel communication ag | 1,120,256 | 1.5 x 233 | 2 | 47 |
| 11 | Host Europe GmbH | 1,019,648 | 1.78 x 236 | 17 | 1,346 |
| 12 | EWE TEL GmbH | 1,000,536 | 1.06 x 237 | 3 | 76 |
| 13 | Deutsche Post AG | 787,456 | 0 | 2 | 15 |
| 14 | freenet Datenkommunikations GmbH | 772,352 | 232 | 1 | 15 |
| 15 | Tele Columbus AG | 609,536 | 1.69 x 235 | 3 | 65 |
| 16 | PlusServer GmbH | 605,953 | 1.88 x 237 | 6 | 306 |
| 17 | euNetworks GmbH | 579,354 | 1.88 x 236 | 2 | 79 |
| 18 | 1&1 IONOS SE | 567,552 | 1.75 x 235 | 2 | 69 |
| 19 | NetCologne Gesellschaft fur Telekommunikation mbH | 560,640 | 1.34 x 237 | 1 | 45 |
| 20 | M-net Telekommunikations GmbH | 524,032 | 1.06 x 236 | 1 | 79 |