| Flexential - Salt Lake City/Cottonwood (SLC05) | Flexential Corp. | Salt Lake City | United States | 1 | 0 |
| Flexential - Salt Lake City/Downtown (SLC04) | Flexential Corp. | Salt Lake City | United States | 25 | 3 |
| Flexential - Salt Lake City/Fairpark (SLC07) | Flexential Corp. | Salt Lake City | United States | 3 | 0 |
| Flexential - Salt Lake City/Lindon (SLC03) | Flexential Corp. | Lindon | United States | 4 | 0 |
| Flexential - Salt Lake City/Millcreek (SLC10) | Flexential Corp. | Salt Lake City | United States | 2 | 0 |
| Flexential - Salt Lake City/South Valley (SLC09) | Flexential Corp. | West Jordan | United States | 3 | 0 |
| Flexential - Tampa/North (TPA03) | Flexential Corp. | Tampa | United States | 4 | 0 |
| Flexential - Tampa/West (TPA01/02) | Flexential Corp. | Tampa | United States | 2 | 0 |
| Florido Tower | FLORIDO TOWER GMBH & CO. KG | Vienna | Austria | 3 | 0 |
| Foremost Corpus Christi | Foremost Telecommunications Corporation | Corpus Christi | United States | 0 | 0 |
| Foremost Dallas | Foremost Telecommunications Corporation | Dallas | United States | 0 | 0 |
| Foremost Harlingen | Foremost Telecommunications Corporation | Harlingen | United States | 0 | 0 |
| Foremost San Antonio | Foremost Telecommunications Corporation | San Antonio | United States | 0 | 0 |
| Forskningsparken Oslo | SSC Networks | Oslo | Norway | 8 | 0 |
| Forsythe Data Centers | Forsythe Data Centers | Elk Grove Village | United States | 0 | 0 |
| Fort Rock Data Center | Fort Rock Data Center | Bend | United States | 11 | 1 |
| Fortress SF1 | Fortress Data Centers | San Francisco | United States | 0 | 0 |
| Fox Telecomunicação & Internet Ltda. | Fox Telecomunicação e Internet LTDA. | Jundiai | Brazil | 0 | 0 |
| FPT Fornix HCM 01 | FPT Telecom | Ho Chi Minh | Vietnam | 13 | 0 |
| FPT Fornix HCM 02 | FPT Telecom | Ho Chi Minh City | Vietnam | 2 | 0 |
| FPT Fornix HNI 01 | FPT Telecom | Hanoi | Vietnam | 1 | 0 |
| FPT Fornix HNI 02 | FPT Telecom | Hanoi | Vietnam | 6 | 0 |
| Fraga Comunicação | FRAGA COMUNICACAO E MANUTENCAO DE EQUIPAMENTOS | Rio de Janeiro | Brazil | 0 | 0 |
| Free Pro - Limonest | Free Pro | Limonest | France | 16 | 1 |
| Free Pro - Lyon - Rock | Free Pro | Lyon | France | 23 | 0 |
| Free Pro - Marseille - MRS1 | Free Pro | Marseille | France | 28 | 3 |
| FREE WAY | Free Way Tecnologia | Campo Grande | Brazil | 0 | 1 |
| Freehost DC Kiev | PE Freehost | Kyiv | Ukraine | 1 | 0 |
| FREEnet BNS00 | OOO FREEnet Group | Moscow | Russia | 1 | 0 |
| freenet Duesseldorf | TERRA CLOUD Duesseldorf GmbH | Düsseldorf | Germany | 1 | 0 |
| Fregat | Hartmanns AG | Dniepropetrovsk | Ukraine | 0 | 0 |
| Frontier Tampa Main Tandem Office | Frontier Florida LLC | Tampa | United States | 0 | 0 |
| FRT iDC Okinawa | First Riding Technology Inc. | Urasoe | Japan | 2 | 2 |
| FSIT Dietikon CH-DIE001 | FSIT AG | Dietikon | Switzerland | 1 | 0 |
| FSIT Zug CH-ZG001 | FSIT AG | Hünenberg | Switzerland | 2 | 0 |
| Fujitsu Eight Mile Plains | Fujitsu Australia Limited | Brisbane | Australia | 7 | 1 |
| Fujitsu Homebush/Sydney Olympic Park | Fujitsu Australia Limited | Sydney Olympic Park | Australia | 2 | 0 |
| Fujitsu Malaga | Fujitsu Australia Limited | Málaga | Australia | 4 | 1 |
| Fujitsu Noble Park | Fujitsu Australia Limited | Noble Park North | Australia | 4 | 1 |
| Fujitsu North Ryde | Fujitsu Australia Limited | Macquarie Park | Australia | 2 | 2 |
| Fujitsu Oslo | Fujitsu Norway AS | Oslo | Norway | 1 | 0 |
| Fundacao Parque Tecnologico Itaipu - Brasil | Fundacao Parque Tecnologico Itaipu - Brasil | Foz do Iguacu | Brazil | 4 | 1 |
| FURB-IX Datacenter | FURB Internet Exchange | Blumenau | Brazil | 3 | 1 |
| Fursine | FURSINE LTDA | Belo Horizonte | Brazil | 0 | 0 |
| Fusetelecom Data Center | Fuse Telecom LLC | Bayamon | United States | 1 | 0 |
| Fusion - Cleveland | Fusion Connect | Cleveland | United States | 8 | 1 |
| Future Net Solution | Future Net Solution | Uttara | Bangladesh | 0 | 0 |
| Fuzion Aarhus | Fuzion A/S | Aarhus | Denmark | 2 | 0 |
| Fuzion Skanderborg | Fuzion A/S | Skanderborg | Denmark | 4 | 1 |
| G2K HOSTING DATACENTER | G2KHosting S.A. | San Nicolas | Argentina | 0 | 0 |