| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Deutsche Telekom AG | 36,088,576 | 245 | 3 | 695 | |
| Mercedes-Benz Group AG | 16,805,888 | 1.13 x 235 | 1 | 18 | |
| Vodafone GmbH | 15,758,592 | 1.04 x 242 | 1 | 331 | |
| 4 | Telefonica Germany GmbH & Co.OHG | 8,400,128 | 1.13 x 241 | 1 | 36 |
| 5 | Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. | 7,979,080 | 1.75 x 237 | 1 | 302 |
| 6 | Hetzner Online GmbH | 2,814,976 | 1.19 x 236 | 4 | 460 |
| 7 | Universitaet Stuttgart | 2,716,672 | 1.56 x 236 | 1 | 102 |
| 8 | 1&1 Versatel Deutschland GmbH | 2,156,032 | 1.4 x 237 | 4 | 1,069 |
| 9 | Plusnet GmbH | 1,202,176 | 1.16 x 237 | 1 | 73 |
| 10 | EWE TEL GmbH | 957,440 | 1.19 x 237 | 2 | 62 |
| 11 | Deutsche Post AG | 787,200 | 0 | 1 | 14 |
| 12 | IONOS SE | 764,416 | 1.31 x 236 | 1 | 346 |
| 13 | Tele Columbus AG | 623,616 | 1.77 x 235 | 4 | 90 |
| 14 | Host Europe GmbH | 585,472 | 1.51 x 234 | 9 | 575 |
| 15 | euNetworks GmbH | 583,489 | 1.88 x 236 | 2 | 67 |
| 16 | NetCologne Gesellschaft fur Telekommunikation mbH | 577,280 | 1.59 x 237 | 1 | 50 |
| 17 | ecotel communication ag | 554,752 | 1.5 x 233 | 1 | 29 |
| 18 | M-net Telekommunikations GmbH | 522,752 | 1.06 x 236 | 1 | 84 |
| 19 | Contabo GmbH | 468,748 | 1.5 x 234 | 1 | 586 |
| 20 | PlusServer GmbH | 399,909 | 1.03 x 237 | 2 | 246 |