| CyrusOne Dublin 1 | CyrusOne Inc. | Dublin | Ireland | 1 | 0 |
| CyrusOne Florence | CyrusOne Inc. | Florence | United States | 2 | 0 |
| CyrusOne Frankfurt 1 | CyrusOne Inc. | Frankfurt | Germany | 4 | 1 |
| CyrusOne Frankfurt 2 | CyrusOne Inc. | Frankfurt | Germany | 1 | 0 |
| CyrusOne Frankfurt 3 | CyrusOne Inc. | Frankfurt | Germany | 0 | 1 |
| CyrusOne Frankfurt 4 | CyrusOne Inc. | Frankfurt | Germany | 0 | 0 |
| CyrusOne Hamilton | CyrusOne Inc. | Hamilton | United States | 1 | 0 |
| CyrusOne Lebanon | CyrusOne Inc. | Lebanon | United States | 0 | 0 |
| CyrusOne London 1 | CyrusOne Inc. | Slough | United Kingdom | 1 | 0 |
| CyrusOne London 2 | CyrusOne Inc. | West Drayton | United Kingdom | 2 | 0 |
| CyrusOne London 3 | CyrusOne Inc. | Slough | United Kingdom | 1 | 0 |
| CyrusOne London 4 | CyrusOne Inc. | Slough | United Kingdom | 0 | 0 |
| CyrusOne London 5 | CyrusOne Inc. | Slough | United Kingdom | 0 | 0 |
| CyrusOne Madrid 1 | CyrusOne Inc. | Madrid | Spain | 0 | 0 |
| CyrusOne Mason | CyrusOne Inc. | Mason | United States | 0 | 0 |
| CyrusOne NC-1 | CyrusOne Inc. | Durham | United States | 6 | 0 |
| CyrusOne NJ-1 | CyrusOne Inc. | Somerset | United States | 3 | 0 |
| CyrusOne Norwalk | CyrusOne Inc. | Norwalk | United States | 3 | 0 |
| CyrusOne Phoenix | CyrusOne Inc. | Phoenix | United States | 16 | 1 |
| CyrusOne San Antonio | CyrusOne Inc. | San Antonio | United States | 4 | 0 |
| CyrusOne Sterling | CyrusOne Inc. | Sterling | United States | 9 | 2 |
| CyrusOne Sterling V | CyrusOne Inc. | Sterling | United States | 1 | 2 |
| CyrusOne Totowa | CyrusOne Inc. | Totowa | United States | 3 | 1 |
| CyrusOne Wappingers Falls | CyrusOne Inc. | Wappingers Falls | United States | 0 | 0 |
| D-ATUM VILCOM | D-ATUM VILCOM PVT LTD | Hyderabad | India | 2 | 0 |
| D-LAKE | D-LAKE SAS | Annecy | France | 3 | 0 |
| D-NET Jakarta | PT. Core Mediatech (D-NET) | Jakarta | Indonesia | 0 | 0 |
| Dabka Data Center | Grupa Onet.pl S.A. | Krakow | Poland | 0 | 0 |
| Dalkom CLS | Dalkom Somalia | Mogadishu | Somalia | 0 | 0 |
| DANAWA DC, Kuching | Danawa Resources Sdn Bhd | Kuching | Malaysia | 1 | 1 |
| Daou MaPo | DAOU TECHNOLOGY | Mapo-gu | South Korea | 1 | 0 |
| DarkNET Burgas | DarkNET LTD | Burgas | Bulgaria | 0 | 0 |
| DartPoints Asheville, NC - AVL1 | DartPoints, LLC | Asheville | United States | 5 | 0 |
| DartPoints Baton Rouge, LA - BTR1 | DartPoints, LLC | Baton Rouge | United States | 4 | 1 |
| DartPoints Baton Rouge, LA - BTR2 | DartPoints, LLC | Baton Rouge | United States | 2 | 0 |
| DartPoints Charleston, SC - CHS1 | DartPoints, LLC | Ladson | United States | 3 | 0 |
| DartPoints Cincinnati, OH - CVG1 | DartPoints, LLC | Cincinnati | United States | 6 | 2 |
| DartPoints Columbia, SC - CAE1 | DartPoints, LLC | Columbia | United States | 2 | 0 |
| DartPoints Columbus, IN - CLU1 | DartPoints, LLC | Columbus | United States | 7 | 0 |
| DartPoints Dublin, OH - CMH1 | DartPoints, LLC | Dublin | United States | 5 | 1 |
| DartPoints Greenville, SC - GSP1 | DartPoints, LLC | Greenville | United States | 4 | 1 |
| DartPoints North Liberty, IA | DartPoints, LLC | North Liberty | United States | 0 | 0 |
| DartPoints Shreveport, LA - SHV1 | DartPoints, LLC | Shreveport | United States | 3 | 0 |
| DartPoints Spartanburg, SC - SPA1 | DartPoints, LLC | Spartanburg | United States | 4 | 0 |
| DARVA Hosting | DEVELOPPEMENT D'APPLICATIONS SUR RESEAUX A VALEUR AJOUTEE SA | Chauray | France | 0 | 0 |
| DARZ | DARZ GmbH | Darmstadt | Germany | 7 | 0 |
| Dat, s.r.o | Dat, s.r.o. | Uherske Hradiste | Czechia | 0 | 0 |
| Data 4 Warszawy | DATA4 s.a r.l | Jawczyce, | Poland | 2 | 0 |
| Data Center | TAL.DE GmbH | Wuppertal | Germany | 0 | 0 |
| Data Center ASAP SP1 | ASAP GLOBAL TELECOM LTDA | São Paulo | Brazil | 11 | 1 |