| CoreSite - Orlando (OR1) | CoreSite | Orlando | United States | 13 | 2 |
| CoreSite - Reston (VA1) | CoreSite | Reston | United States | 83 | 6 |
| CoreSite - Reston (VA2) | CoreSite | Reston | United States | 22 | 3 |
| CoreSite - Reston (VA3) | CoreSite | Reston | United States | 15 | 3 |
| CoreSite - San Jose (SV1) | CoreSite | San Jose | United States | 55 | 3 |
| CoreSite - Santa Clara (SV3) | CoreSite | Santa Clara | United States | 4 | 2 |
| CoreSite - Santa Clara (SV4) | CoreSite | Santa Clara | United States | 21 | 3 |
| CoreSite - Santa Clara (SV7) | CoreSite | Santa Clara | United States | 20 | 2 |
| CoreSite - Santa Clara (SV8) | CoreSite | Santa Clara | United States | 4 | 2 |
| CoreSite - Santa Clara (SV9) | CoreSite | Santa Clara | United States | 4 | 2 |
| CoreSite - Secaucus (NY2) | CoreSite | Secaucus | United States | 31 | 3 |
| CoreSite - Secaucus (NY3) | CoreSite | Secaucus | United States | 1 | 0 |
| CoreSite - Washington,DC (DC1) | CoreSite | Washington | United States | 16 | 3 |
| CoreSite - Washington,DC (DC2) | CoreSite | Washington | United States | 4 | 2 |
| Cornelia (Rome) | Unidata S.p.A. | Rome | Italy | 5 | 0 |
| Corporation-Park | Pacswitch | Hong Kong | Hong Kong SAR China | 0 | 0 |
| CPD Titan | CPD Titan | Murcia | Spain | 8 | 0 |
| CRALIDXX - Coeur d'Alene Central Office | Ziply Fiber | Coeur d'Alene | United States | 1 | 0 |
| Creanova Datacenter | Oy Crea Nova Hosting Solution Ltd | Helsinki | Finland | 2 | 0 |
| Creslow Park | Single Mode Networks | Aylesbury | United Kingdom | 1 | 0 |
| Critical Colocation | Critical Colocation | San Jose | Costa Rica | 0 | 0 |
| Critical Hub DataCenter | Critical Hub Networks, Inc. | San Juan | Puerto Rico | 2 | 0 |
| CRIX | CRIX | San Jose | Costa Rica | 4 | 0 |
| Cronomagic Canada Inc | Cronomagic | Montreal | Canada | 1 | 0 |
| Crosspoint Data College Station | Crosspoint Data, LLC | College Station | United States | 1 | 0 |
| Crown Castle Baltimore (111 Market, 700 E Pratt) | Crown Castle Inc. | Baltimore | United States | 8 | 1 |
| Crown Castle Boston (1 Summer) | Crown Castle Inc. | Boston | United States | 4 | 0 |
| Crown Castle Brentwood (1650 Islip) | Crown Castle Inc. | Brentwood | United States | 0 | 0 |
| Crown Castle Chicago (725 S Wells) | Crown Castle Inc. | Chicago | United States | 0 | 0 |
| Crown Castle Columbus (101 E Town) | Crown Castle Inc. | Columbus | United States | 0 | 0 |
| Crown Castle Hartford (960 Main) | Crown Castle Inc. | Hartford | United States | 0 | 0 |
| Crown Castle Los Angeles (624 S Grand) | Crown Castle Inc. | Los Angeles | United States | 13 | 0 |
| Crown Castle Manchester (1 Sundial Ave) | Crown Castle Inc. | Manchester | United States | 1 | 0 |
| Crown Castle Marlboro (34 St Martin) | Crown Castle Inc. | Marlborough | United States | 2 | 0 |
| Crown Castle New York (111 8th) | Crown Castle Inc. | New York | United States | 4 | 1 |
| Crown Castle Newark (165 Halsey) | Crown Castle Inc. | Newark | United States | 3 | 0 |
| Crown Castle Philadelphia (1309 Noble) | Crown Castle Inc. | Philadelphia | United States | 0 | 0 |
| Crown Castle Philadelphia (401 N Broad) | Crown Castle Inc. | Philadelphia | United States | 11 | 0 |
| Crown Castle Pittsburgh (Allegheny Center Mall) | Crown Castle Inc. | Pittsburgh | United States | 7 | 1 |
| Crown Castle Providence (235 Promenade) | Crown Castle Inc. | Providence | United States | 3 | 0 |
| Crown Castle Providence (300 Carpenter) | Crown Castle Inc. | Providence | United States | 0 | 0 |
| Crown Castle Springfield (1 Federal) | Crown Castle Inc. | Springfield | United States | 3 | 0 |
| Crown Castle Stamford | Crown Castle Inc. | Stamford | United States | 1 | 0 |
| Crown Castle White Plains (360 Hamilton) | Crown Castle Inc. | White Plains | United States | 0 | 0 |
| Crown Castle Worcester (474 Main) | Crown Castle Inc. | Worcester | United States | 6 | 0 |
| Croydon | CapitaLand Digital Holdings Pte Ltd. | Croydon | United Kingdom | 0 | 0 |
| Crypteo Marssac | AZA TELECOM SARL | Marssac sur Tarn | France | 0 | 0 |
| CS LoxInfo Data Center - CW Tower | CS Loxinfo Public Company Limited | Bangkok | Thailand | 20 | 2 |
| CS LoxInfo Data Center - The Cloud | CS Loxinfo Public Company Limited | Bangkok | Thailand | 38 | 5 |
| CSD Network Services Ltd | Csd Network Services Ltd | Braintree | United Kingdom | 0 | 0 |