Attached files

file filename
EX-32.2 - EX-32.2 - CyrusOne Inc.cone-20201231xex322.htm
EX-32.1 - EX-32.1 - CyrusOne Inc.cone-20201231xex321.htm
EX-31.2 - EX-31.2 - CyrusOne Inc.cone-20201231xex312.htm
EX-31.1 - EX-31.1 - CyrusOne Inc.cone-20201231xex311.htm
EX-23.1 - EX-23.1 - CyrusOne Inc.cone-20201231xex231.htm
EX-22 - EX-22 - CyrusOne Inc.cone-20201231xex22.htm
EX-10.4 - EX-10.4 - CyrusOne Inc.cone-20201231xex104.htm
EX-4.5 - EX-4.5 - CyrusOne Inc.cone-20201231xex45.htm
10-K - 10-K - CyrusOne Inc.cone-20201231.htm

Exhibit 21.1
Subsidiaries of the Registrant
(as of December 31, 2020)
Subsidiary NameState or Country of Incorporation or Formation
CyrusOne GPMaryland
CyrusOne LPMaryland
CyrusOne Finance Corp.Maryland
CyrusOne LLCDelaware
CyrusOne TRS Inc.Delaware
CyrusOne Foreign Holdings LLCDelaware
CyrusOne Government Services LLCDelaware
Cervalis Holdings LLCDelaware
Cervalis LLCDelaware
Cyrus One UK Limited     United Kingdom
CyrusOne NC LLCDelaware
CyrusOne NJ LLCDelaware
C1-Allen LLCDelaware
Cheetah Asia Holdings LLCDelaware
Warhol TRS LLCDelaware
Warhol Partnership LLCDelaware
Warhol REIT LLCDelaware
CyrusOne Dutch Holdings B.V.  Netherlands
C1-Santa Clara LLCDelaware
C1-ATL LLCDelaware
Interlude Properties LLCDelaware
GK Properties IV LLCDelaware
CyrusOne New Services TRSDelaware
C1- Mesa LLCDelaware
Zenium Management LimitedUnited Kingdom
CyrusOne Irish Datcentres Dublin II LimitedIreland
CyrusOne Germany GmbHGermany
CyrusOne UK3 LimitedUnited Kingdom
CyrusOne Dutch TRS B.V.Netherlands
C1-Sterling VIII LLCDelaware
Zenium Topco LimitedCayman Islands
CyrusOne Irish Datcentres Holdings LimitedIreland
CyrusOne Paris SASFrance
CyrusOne UK4 LimitedUnited Kingdom
C1 BTE Holdings LLCDelaware
CyrusOne UK TRS Limited United Kingdom
CyrusOne German TRS GmbHGermany
C1-Sterling IX LLCDelaware
Zenium Holdings LimitedIreland
CyrusOne AMS3 B.V.Netherlands
CyrusOne France SASFrance
C1 BTE Holdings Columbia LLCDelaware
CyrusOne France SASFrance
CyrusOne UK5 Limited United Kingdom
Zenium Technology Partners Limited United Kingdom
Zenium UK LimitedUnited Kingdom
Zenium Germany GmbHGermany
Echo 4 GmbH Germany
C1 - Manassas LLCDelaware
C1 San Antonio V Delaware
CyrusOne Holdings LLCDelaware
C1 - Quincy LLC Delaware
C1 - Council Bluffs LLCDelaware
C1 BTE Holdings Chile LLCDelaware
C1 BTE Holdings Mexico LLCDelaware
CyrusOne Frankfurt 4 Holdings B.V.Netherlands
CyrusOne Management Services LLCDelaware
CyrusOne Frankfurt 5 Holdings B.V.Netherlands
CyrusOne UK6 LimitedUnited Kingdom