| LightEdge San Diego 2 (SAN2) | LightEdge NFINIT | San Diego | United States | 6 | 0 |
| Lighthouse Data Center (Houston) | PS Lightwave | Houston | United States | 4 | 0 |
| LightPoint Corporation | LightPoint Corporation | Portland | United States | 2 | 0 |
| LightSpeed Hosting - Medina | LightSpeed Hosting | Medina | United States | 0 | 0 |
| LightStorm Bratislava | LightStorm Communications s.r.o. | Bratislava | Slovakia | 1 | 0 |
| LightWave Networks | LightWave Networks | Needham | United States | 0 | 0 |
| Liguria Digitale Data Center - Erzelli | Liguria Digitale S.p.A. | Genoa | Italy | 0 | 0 |
| Liguria Digitale Data Center - WTC | Liguria Digitale S.p.A. | Genoa | Italy | 5 | 2 |
| LIM Warsaw | LIM CENTER Spółka z ograniczoną odpowiedzialnością | Warsaw | Poland | 255 | 11 |
| Lincoln Data Centers | Binary Net, LLC | Lincoln | United States | 7 | 0 |
| Lincoln Rackhouse Atlanta | Lincoln Rackhouse | Dunwoody | United States | 0 | 0 |
| Lincoln Rackhouse Aurora | Lincoln Rackhouse | Aurora | United States | 0 | 0 |
| Lincoln Rackhouse Dallas | Lincoln Rackhouse | Plano | United States | 0 | 0 |
| Lincoln Rackhouse Kansas City | Lincoln Rackhouse | Kansas City | United States | 0 | 0 |
| Lincoln Rackhouse London | Lincoln Rackhouse | Camberley | United Kingdom | 0 | 0 |
| Lincoln Rackhouse Silver Spring | Lincoln Rackhouse | Silver Spring | United States | 0 | 0 |
| LINGKARDATA - Denpasar, Bali | PT. LINGKAR SENTRAL DATA | Denpasar Barat | Indonesia | 13 | 0 |
| Linhares Serviços Online LTDA EPP | Linhares Serviços Online LTDA EPP | Linhares | Brazil | 0 | 0 |
| Link Sete Servicos de Internet e Redes | Link Sete Servicos de Internet e Redes Ltda | Sete Lagoas | Brazil | 0 | 0 |
| LINK TELECOM | LINK Telecom S.A. | Ciudad del Este | Paraguay | 0 | 0 |
| LINKEAR SRL | LINKEAR SRL | Moreno | Argentina | 7 | 1 |
| Linkfull Rio de Janeiro | Linkfull Corporate | Rio de Janeiro | Brazil | 6 | 1 |
| Lintas Data Prima Yogyakarta | Lintas Data Prima, PT | Yogyakarta | Indonesia | 4 | 0 |
| Lintasarta Jakarta | Lintasarta | Jakarta Selatan | Indonesia | 3 | 0 |
| Lintasarta Jatiluhur | Lintasarta | Purwakarta | Indonesia | 0 | 0 |
| Lintasarta Techno Park | Lintasarta | Tangerang | Indonesia | 3 | 0 |
| LINX Wales - BT Stadium House | LINX | Cardiff | United Kingdom | 2 | 0 |
| Linxdatacenter (Moscow) | Linxdatacenter | Moscow | Russia | 25 | 3 |
| Linxdatacenter (Saint-Petersburg) | Linxdatacenter | St. Petersburg | Russia | 13 | 1 |
| Liquid Web DC3 | CMN-RUS, Inc. d/b/a Metronet | Lansing | United States | 1 | 0 |
| LKW Kollokation TZ Eschen | Liechtensteinische Kraftwerke | Eschen | Liechtenstein | 5 | 1 |
| LLC MyBox | LLC MyBox | Moscow | Russia | 0 | 0 |
| LNCC | Laboratorio Nacional de Computacao Cientifica | Rio de Janeiro | Brazil | 3 | 1 |
| Localhost Wellington | Localhost Limited | Wellington | New Zealand | 1 | 0 |
| LocalNet Lauttasaari (Nebula) | Local Loop Oy | Helsinki | Finland | 14 | 1 |
| Login Tucson | Login, LLC | Tucson | United States | 1 | 0 |
| LogInToUs, Inc. | Nicholas J Brockway | Malone | United States | 0 | 0 |
| Logon Broadband Karachi | Logon Broadband Pvt. Limited | Karachi | Pakistan | 0 | 0 |
| Lomé Data Centre LOM1 | Société d'Infrastructures Numériques (SIN) | Lome | Togo | 4 | 1 |
| London Hosting Centre | Telstra Europe | London | United Kingdom | 30 | 1 |
| London Technology Centre | Redcentric PLC | Hounslow | United Kingdom | 1 | 0 |
| Long Lines Data Center | Long Lines, LLC | Sioux City | United States | 2 | 0 |
| Looking Glass Networks NYC Node | Looking Glass Networks | New York | United States | 0 | 0 |
| Lost River Data Center | Western Kentucky University | Bowling Green | United States | 1 | 0 |
| Lotte Yongin | LOTTE DATA COMMUNICATION COMPANY | Yongin | South Korea | 1 | 0 |
| Lowest Host/Empire Technology | Lowest Host/Empire Technology LLC | Salt Lake City | United States | 0 | 0 |
| LSTI 401 Market | LightSpeed Technologies, LLC | Canton | United States | 1 | 0 |
| LSVL-CTC1 | Massive Networks | Louisville | United States | 0 | 0 |
| LTD Irida Telecom | Alexander Galchenko | Rostov-on-Don | Russia | 1 | 0 |
| Luleå Kommunhus | Luleå Kommun | Luleå | Sweden | 1 | 0 |