| EXEA Data Center | EXEA Sp. z o.o. | Toruń | Poland | 1 | 0 |
| Expedient Baltimore - Owings Mills | Expedient | Baltimore | United States | 1 | 0 |
| Expedient Boston | Expedient | Medford | United States | 1 | 0 |
| Expedient Cleveland - 151 NEO | Expedient | Cleveland | United States | 3 | 0 |
| Expedient Cleveland - 152 NEO | Expedient | Cleveland | United States | 2 | 0 |
| Expedient Columbus - Dublin | Expedient | Dublin | United States | 4 | 0 |
| Expedient Columbus - Upper Arlington | Expedient | Upper Arlington | United States | 2 | 0 |
| Expedient Indianapolis | Expedient | Carmel | United States | 7 | 0 |
| Expedient Memphis | Expedient | Memphis | United States | 2 | 0 |
| Expedient Phoenix | Expedient | Phoenix | United States | 1 | 0 |
| Expedient Pittsburgh - Green Tree | Expedient | Pittsburgh | United States | 1 | 0 |
| Expedient Pittsburgh - Nova Place | Expedient | Pittsburgh | United States | 2 | 0 |
| Extendo Datacenter Belfort | Extendo Datacenter | Belfort | France | 1 | 0 |
| Extreme Gurgaon | Extreme Infocom Pvt. Ltd. | Gurugram | India | 3 | 1 |
| Extreme Highway Tower | Extreme Infocom Pvt. Ltd. | Pune | India | 2 | 1 |
| Extreme Janakpuri | Extreme Infocom Pvt. Ltd. | New Delhi | India | 3 | 1 |
| Extreme Kalyan | Extreme Infocom Pvt. Ltd. | Kalyan | India | 4 | 1 |
| Extreme Laxminagar | Extreme Infocom Pvt. Ltd. | Delhi | India | 3 | 1 |
| Extreme RDC | Extreme Infocom Pvt. Ltd. | Ghaziabad | India | 2 | 1 |
| Extreme Thane | Extreme Infocom Pvt. Ltd. | Thane | India | 6 | 1 |
| Extreme Vega Center Swargate | Extreme Infocom Pvt. Ltd. | Pune | India | 1 | 1 |
| EZ Network Systems | EZ Network Systems | Stockton | United States | 1 | 0 |
| Ezi-Web Bundaberg | WEBTRAF PTY LTD | Bundaberg | Australia | 2 | 0 |
| Faculty of Computer Science and Engineering | Faculty of Computer Science and Engineering, Ss. Cyril and Methodius University in Skopje | Skopje | Macedonia | 2 | 1 |
| FairlawnGig Service Center | FairlawnGig.net | Fairlawn | United States | 4 | 2 |
| Fast2host - Fast4networks Ltd | Fast2host - Fast4networks Ltd | Cambridge | United Kingdom | 0 | 0 |
| Fastcom DC Facility - 1 | Remki Communications Private Limited | Guntur | India | 2 | 1 |
| Fastnet Ancona DC | Fastnet SpA | Ancona | Italy | 1 | 0 |
| Fastnet Brighton Datacentre | Fastnet | Brighton | United Kingdom | 2 | 0 |
| FASTtelco DC Kuwait | FASTtelco | Kuwait City | Kuwait | 1 | 1 |
| FCCN itconic | Fundacao para a Ciencia e a Tecnologia, I.P. | Prior Velho | Portugal | 1 | 0 |
| FCCN Lisbon - SE03 | National Laboratory of Civil Engineering (LNEC) | Lisbon | Portugal | 10 | 2 |
| FCCN Lisbon - SE06 | Fundacao para a Ciencia e a Tecnologia, I.P. | Lisbon | Portugal | 11 | 2 |
| FedConnect San Francisco | 60 Fed LLC | San Francisco | United States | 0 | 0 |
| FEIX | Lepida S.c.p.A. | Ferrara | Italy | 10 | 0 |
| Felicity IDC - Jessore | Felicity IDC Limited | Jessore | Bangladesh | 1 | 0 |
| Felicity IDC - Kaliakoir | Felicity IDC Limited | Gazipur | Bangladesh | 7 | 1 |
| Ferenz Networks DC | Ferenz Networks | Xaxim | Brazil | 4 | 0 |
| Fiber 23 | Fiber 23 S.R.L | Rome | Italy | 5 | 1 |
| Fiber Alley 8915 | Fiber Alley Datacenters | San Diego | United States | 0 | 0 |
| Fiber Alley 8917 | Fiber Alley Datacenters | San Diego | United States | 0 | 0 |
| Fiber Direkt B15 | Fiber Direkt i Sverige AB | Stockholm | Sweden | 1 | 0 |
| FiberCloud-Westin1809 | Fibercloud | Seattle | United States | 0 | 0 |
| FiberCloud-Westin3205 | Fibercloud | Seattle | United States | 0 | 0 |
| Fiberhub LAS1 | Fiberhub | Las Vegas | United States | 16 | 0 |
| Fiberlink Data Center | PT Fiber Networks Indonesia | South Jakarta | Indonesia | 2 | 0 |
| FiberNet Telecom Group - 60 Hudson St | FiberNet Telecom Group | New York | United States | 6 | 1 |
| FiberNet Telecom Group New York (111 Eighth Ave) | FiberNet Telecom Group | New York | United States | 1 | 1 |
| FiberNet Telecom Group Newark - 165 Halsey | FiberNet Telecom Group | Newark | United States | 1 | 1 |
| FIBERSTATE Salt Lake City (SLC1) | FIBERSTATE | Draper | United States | 24 | 1 |