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 | 36,077,056 | 245 | 4 | 544 | |
| Daimler AG | 16,830,464 | 1.13 x 235 | 1 | 32 | |
| Vodafone GmbH | 15,811,196 | 1.3 x 242 | 2 | 330 | |
| 4 | Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. | 8,841,984 | 1.5 x 237 | 1 | 293 |
| 5 | Telefonica Germany GmbH & Co.OHG | 8,405,248 | 1.13 x 241 | 3 | 49 |
| 6 | Universitaet Stuttgart | 2,714,883 | 1.56 x 236 | 1 | 104 |
| 7 | Hetzner Online GmbH | 2,302,720 | 1.06 x 237 | 2 | 94 |
| 8 | 1&1 Versatel Deutschland GmbH | 2,201,856 | 1.02 x 237 | 2 | 798 |
| 9 | Plusnet GmbH | 1,271,808 | 1.03 x 237 | 2 | 92 |
| 10 | ecotel communication ag | 1,121,024 | 1.5 x 233 | 2 | 47 |
| 11 | Host Europe GmbH | 1,054,464 | 1.72 x 236 | 18 | 1,474 |
| 12 | EWE TEL GmbH | 943,620 | 1.06 x 237 | 3 | 89 |
| 13 | Deutsche Post AG | 787,456 | 0 | 2 | 15 |
| 14 | freenet Datenkommunikations GmbH | 772,096 | 232 | 1 | 15 |
| 15 | Tele Columbus AG | 642,304 | 1.69 x 235 | 3 | 66 |
| 16 | euNetworks GmbH | 570,733 | 1.81 x 236 | 2 | 70 |
| 17 | NetCologne Gesellschaft fur Telekommunikation mbH | 560,896 | 1.31 x 237 | 1 | 46 |
| 18 | IONOS SE | 553,216 | 1.5 x 235 | 1 | 50 |
| 19 | PlusServer GmbH | 545,794 | 1.85 x 237 | 6 | 320 |
| 20 | M-net Telekommunikations GmbH | 523,521 | 1.56 x 236 | 1 | 81 |