Exhibit 21.1
LIST OF SUBSIDIARIES OF DUPONT FABROS TECHNOLOGY, INC.
| Subsidiary |
Jurisdiction of Organization | |
| DuPont Fabros Technology, L.P. | Maryland | |
| Grizzly Equity LLC | Delaware | |
| Grizzly Ventures LLC | Delaware | |
| Whale Holdings LLC | Delaware | |
| Whale Interests LLC | Delaware | |
| Whale Ventures LLC | Delaware | |
| Yak Management LLC | Delaware | |
| Yak Interests LLC | Delaware | |
| Yak Ventures LLC | Delaware | |
| Xeres Management LLC | Delaware | |
| Xeres Interests LLC | Delaware | |
| Xeres Ventures LLC | Delaware | |
| DF Technical Services, LLC | Delaware | |
| DF Property Management LLC | Delaware | |
| DF Holdings I LLC | Delaware | |
| Rhino Equity LLC | Delaware | |
| Quill Equity LLC | Delaware | |
| Lemur Properties LLC | Delaware | |
| Porpoise Ventures LLC | Delaware | |
| Tarantula Interests LLC | Delaware | |
| Tarantula Ventures LLC | Delaware | |
| Fox Properties LLC | Delaware |