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 | 36,085,248 | 245 | 4 | 548 | |
| Daimler AG | 16,830,464 | 1.13 x 235 | 1 | 32 | |
| Vodafone GmbH | 15,811,708 | 1.3 x 242 | 2 | 332 | |
| 4 | Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. | 8,836,352 | 1.5 x 237 | 1 | 289 |
| 5 | Telefonica Germany GmbH & Co.OHG | 8,404,224 | 1.13 x 241 | 3 | 47 |
| 6 | Universitaet Stuttgart | 2,714,883 | 1.56 x 236 | 1 | 104 |
| 7 | 1&1 Versatel Deutschland GmbH | 2,136,832 | 1.97 x 236 | 2 | 715 |
| 8 | Hetzner Online GmbH | 2,106,880 | 1.63 x 236 | 2 | 87 |
| 9 | Plusnet GmbH | 1,272,064 | 1.03 x 237 | 2 | 93 |
| 10 | ecotel communication ag | 1,120,256 | 1.5 x 233 | 2 | 47 |
| 11 | Host Europe GmbH | 1,021,184 | 1.85 x 236 | 17 | 1,340 |
| 12 | EWE TEL GmbH | 943,309 | 1.06 x 237 | 3 | 94 |
| 13 | Deutsche Post AG | 787,456 | 0 | 2 | 15 |
| 14 | freenet Datenkommunikations GmbH | 772,608 | 232 | 1 | 16 |
| 15 | PlusServer GmbH | 611,841 | 1.63 x 237 | 6 | 306 |
| 16 | Tele Columbus AG | 609,536 | 1.69 x 235 | 3 | 65 |
| 17 | euNetworks GmbH | 580,631 | 1.81 x 236 | 2 | 81 |
| 18 | 1&1 IONOS SE | 567,168 | 1.75 x 235 | 2 | 68 |
| 19 | NetCologne Gesellschaft fur Telekommunikation mbH | 560,384 | 1.31 x 237 | 1 | 44 |
| 20 | M-net Telekommunikations GmbH | 524,032 | 1.06 x 236 | 1 | 80 |