Exhibit 21.1
Subsidiaries of the Registrant
(as of December 31, 2020)
Subsidiary Name | State or Country of Incorporation or Formation | ||||
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 | ||||
Cyrus One UK Limited | United Kingdom | ||||
CyrusOne NC LLC | Delaware | ||||
CyrusOne NJ LLC | Delaware | ||||
C1-Allen LLC | Delaware | ||||
Cheetah Asia Holdings LLC | Delaware | ||||
Warhol TRS LLC | Delaware | ||||
Warhol Partnership LLC | Delaware | ||||
Warhol REIT LLC | Delaware | ||||
CyrusOne Dutch Holdings B.V. | Netherlands | ||||
C1-Santa Clara LLC | Delaware | ||||
C1-ATL LLC | Delaware | ||||
Interlude Properties LLC | Delaware | ||||
GK Properties IV LLC | Delaware | ||||
CyrusOne New Services TRS | Delaware | ||||
C1- Mesa LLC | Delaware | ||||
Zenium Management Limited | United Kingdom | ||||
CyrusOne Irish Datcentres Dublin II Limited | Ireland | ||||
CyrusOne Germany GmbH | Germany | ||||
CyrusOne UK3 Limited | United Kingdom | ||||
CyrusOne Dutch TRS B.V. | Netherlands | ||||
C1-Sterling VIII LLC | Delaware | ||||
Zenium Topco Limited | Cayman Islands | ||||
CyrusOne Irish Datcentres Holdings Limited | Ireland | ||||
CyrusOne Paris SAS | France | ||||
CyrusOne UK4 Limited | United Kingdom | ||||
C1 BTE Holdings LLC | Delaware | ||||
CyrusOne UK TRS Limited | United Kingdom | ||||
CyrusOne German TRS GmbH | Germany | ||||
C1-Sterling IX LLC | Delaware | ||||
Zenium Holdings Limited | Ireland | ||||
CyrusOne AMS3 B.V. | Netherlands | ||||
CyrusOne France SAS | France | ||||
C1 BTE Holdings Columbia LLC | Delaware | ||||
CyrusOne France SAS | France | ||||
CyrusOne UK5 Limited | United Kingdom | ||||
Zenium Technology Partners Limited | United Kingdom | ||||
Zenium UK Limited | United Kingdom | ||||
Zenium Germany GmbH | Germany | ||||
Echo 4 GmbH | Germany | ||||
C1 - Manassas LLC | Delaware | ||||
C1 San Antonio V | Delaware | ||||
CyrusOne Holdings LLC | Delaware | ||||
C1 - Quincy LLC | Delaware | ||||
C1 - Council Bluffs LLC | Delaware | ||||
C1 BTE Holdings Chile LLC | Delaware | ||||
C1 BTE Holdings Mexico LLC | Delaware | ||||
CyrusOne Frankfurt 4 Holdings B.V. | Netherlands | ||||
CyrusOne Management Services LLC | Delaware | ||||
CyrusOne Frankfurt 5 Holdings B.V. | Netherlands | ||||
CyrusOne UK6 Limited | United Kingdom |