Exhibit 21.1
Subsidiaries of the Registrant
(as of November 28, 2017)
Subsidiary Name |
| State or Country of Incorporation or |
CyrusOne GP |
| Maryland |
CyrusOne LP |
| Maryland |
CyrusOne Finance Corp. |
| Maryland |
CyrusOne LLC |
| Delaware |
CyrusOne TRS Inc. |
| Delaware |
CyrusOne Foreign Holdings LLC |
| Delaware |
CyrusOne Government Services LLC |
| Delaware |
Cervalis Holdings LLC |
| Delaware |
Cervalis LLC |
| Delaware |
CyrusOne-NC LLC |
| Delaware |
CyrusOne-NJ LLC |
| Delaware |
Cyrus One UK Holdco LLP |
| United Kingdom |
Cyrus One UK Limited |
| United Kingdom |