| Khazna Data Center - Khalifa City - AUH3 | Khazna |  Abu Dhabi | — | — | — | PeeringDB |
| Khazna Data Center Ibn Battuta - DXB 3 | Khazna | Jebel Ali | — | — | — | PeeringDB |
| Khazna Data Centers | Khazna Data Centers | 阿拉伯联合酋长国 | — | — | — | OSM |
| Khazna Data Centers | Khazna Data Centers | 阿拉伯联合酋长国 | — | — | — | OSM |
| Khazna Data Centers - IRIS (1-7) | Khazna | Kizad | — | — | — | PeeringDB |
| Khazna Data Centers Apollo (1 - 6) | Khazna | Zayed Military City | — | — | — | PeeringDB |
| KielNET Telehouse | 1&1 Versatel |  Kiel | — | — | — | PeeringDB |
| Kolo DK4 Viby J. | Kolo Data Centers |  丹麦 | — | — | — | OSM |
| Kolo DK5 Copenhagen | Kolo Data Centers | 丹麦 | — | — | — | OSM |
| Kolo SE3 Piteå | Kolo Data Centers |  瑞典 | — | — | — | OSM |
| Kom4Tel GmbH | Kom4tel GmbH | Eschbach | — | — | — | PeeringDB |
| Korbank | — |  波兰 | — | — | — | OSM |
| Kuzhivilakonam Resident Welfare Society | — |  印度 | — | — | — | OSM |
| Kyndryl Data Center | Kyndryl Deutschland GmbH | Oberursel (Taunus) | — | — | — | OSM |
| Kyndryl UK Ltd | — |  英国 | — | — | — | OSM |
| L3Harris Technologies Inc | — |  美国 | — | — | — | OSM |
| LADC1 - 624 S Grand Ave | Colocation America | Los Angeles | — | — | — | PeeringDB |
| LADC2 - 707 Wilshire Blvd | Colocation America | Los Angeles | — | — | — | PeeringDB |
| LADC3 - 600 W 7th St | Colocation America | Los Angeles | — | — | — | PeeringDB |
| LADC5 - 650 S Grand Ave | Colocation America | Los Angeles | — | — | — | PeeringDB |
| LAN Services AG - Communication Center cc.ch | LAN Services AG |  Biel/Bienne | — | — | — | PeeringDB |
| LCO 1 | Meta | 美国 | — | — | — | OSM |
| LCO 2 | Meta | 美国 | — | — | — | OSM |
| LCUB Data Center | Lenoir City Utilities Board | Lenoir City | — | — | — | PeeringDB |
| LEDC - ABX1 - Albury | Leading Edge Data Centres |  澳大利亚 | — | — | — | OSM |
| LF Services | — |  阿根廷 | — | — | — | OSM |
| LIFO | LIFO |  法国 | — | — | — | OSM |
| LINK TELECOM | LINK Telecom S.A. |  Ciudad del Este | — | — | — | PeeringDB |
| LLC MyBox | LLC MyBox |  Moscow | — | — | — | PeeringDB |
| LRZ SuperMUC-NG | Leibniz-Rechenzentrum (LRZ) der Bayerischen Akademie der Wissenschaften | 德国 | — | — | — | OSM |
| LSVL-CTC1 | Massive Networks | Louisville | — | — | 1 | PeeringDB |
| LTS Lab | — |  摩洛哥 | — | — | — | OSM |
| LVRTC Daugavpils RTS | VAS "Latvijas Valsts radio un televizijas centrs" |  Daugavpils | — | 1 | — | PeeringDB |
| LVRTC Liepajas RTS | VAS "Latvijas Valsts radio un televizijas centrs" | Liepaja | — | 1 | — | PeeringDB |
| LVRTC Valmieras RTS | VAS "Latvijas Valsts radio un televizijas centrs" | Valmiera | — | 1 | — | PeeringDB |
| LVRTC Ventspils RTS | VAS "Latvijas Valsts radio un televizijas centrs" | Ventspils | — | 1 | — | PeeringDB |
| LYNET Hamburg | CONVOTIS | Hamburg | — | — | — | PeeringDB |
| LYNET Lübeck | CONVOTIS | Lübeck | — | — | — | PeeringDB |
| La Pointe 1 | Worldline | Noyelles-lès-Seclin | — | — | — | OSM |
| Lab 11 | — | 摩洛哥 | — | — | — | OSM |
| Lab 7 | — | 摩洛哥 | — | — | — | OSM |
| Lab 8b | — | 摩洛哥 | — | — | — | OSM |
| Lab Komputer | — |  印度尼西亚 | — | — | — | OSM |
| Laboratório MackLeaps | — |  巴西 | — | — | — | OSM |
| Laboratório de Programação | — | 巴西 | — | — | — | OSM |
| Landmax Data Systems, Inc | — | Rush | — | — | — | OSM |
| Lanka Bell Limited | HugeDomains |  Colombo | — | — | — | PeeringDB |
| LaoDC | LaoDC |  老挝 | — | — | — | OSM |
| Learning GIS! | — | 美国 | — | — | — | OSM |
| Leonardo (supercomputer) | CINECA |  意大利 | — | — | — | OSM |
| Lerzeichen HQ | — | 波兰 | — | — | — | OSM |
| Level 3 Communications | — | Durham | — | — | — | OSM |
| Level(3) Austin (Kramer) | Lumen Technologies | Austin | — | — | — | PeeringDB |
| Level(3) Charlotte | Lumen Technologies | Charlotte | — | — | 1 | PeeringDB |
| Level(3) Gadong (Tungku CLS) | Lumen Technologies |  Gadong | — | 1 | — | PeeringDB |
| Level(3) Hayward | Lumen Technologies | Hayward | — | — | — | PeeringDB |
| Level(3) Jersey City | Lumen Technologies | Jersey City | — | — | — | PeeringDB |
| Level3 Mendoza | Lumen Technologies | Godoy Cruz | — | — | — | OSM |
| LexisNexus Springfield | LexisNexus Springfield | Springfield | — | — | — | OSM |
| Light Company | DigitalOcean |  آمل | — | — | — | OSM |
| LightSpeed Hosting - Medina | LightSpeed Hosting | Medina | — | — | — | PeeringDB |
| LightWave Networks | LightWave Networks | Needham | — | — | — | PeeringDB |
| Liguria Digitale Data Center - Erzelli | Liguria Digitale | Genoa | — | — | — | PeeringDB |
| Lille Boitelle | Orange | 法国 | — | — | — | OSM |
| Lincoln Rackhouse Atlanta | Lincoln Rackhouse | Dunwoody | — | — | — | PeeringDB |
| Lincoln Rackhouse Aurora | Lincoln Rackhouse | Aurora | — | — | — | PeeringDB |
| Lincoln Rackhouse Dallas | Lincoln Rackhouse | Plano | — | — | — | PeeringDB |
| Lincoln Rackhouse Kansas City | Lincoln Rackhouse | Kansas City | — | — | — | PeeringDB |
| Lincoln Rackhouse London | Lincoln Rackhouse | Camberley | — | — | — | PeeringDB |
| Lincoln Rackhouse Silver Spring | Lincoln Rackhouse | Silver Spring | — | — | 1 | PeeringDB |
| Linhares Serviços Online LTDA EPP | Linhares Serviços Online LTDA EPP | Linhares | — | — | — | PeeringDB |
| Link Sete Servicos de Internet e Redes | Link Sete Servicos de Internet e Redes Ltda | Sete Lagoas | — | — | — | PeeringDB |
| Lintasarta Jatiluhur | Lintasarta | Purwakarta | — | — | — | PeeringDB |
| Liquid Web | Liquid Web | 美国 | — | — | — | OSM |
| Liwonde Telecentre | — |  马拉维 | — | — | — | OSM |
| Lloyds Banking Group Copley | — | 英国 | — | — | — | OSM |
| LogInToUs, Inc. | Nicholas J Brockway | Malone | — | — | — | PeeringDB |
| Logon Broadband Karachi | Logon BroadBand |  Karachi | — | — | — | PeeringDB |
| Looking Glass Networks NYC Node | Looking Glass Networks | New York | — | — | — | PeeringDB |
| Lowe's Data Center | Lowe's | 美国 | — | — | — | OSM |
| Lowest Host/Empire Technology | Lowest Host/Empire Technology | Salt Lake City | — | — | — | PeeringDB |
| Lumen | Lumen Technologies | Phoenix | — | — | — | OSM |
| Lumen | Lumen Technologies | 法国 | — | — | — | OSM |
| Lumen | Lumen Technologies | 美国 | — | — | — | OSM |
| Lumen | Lumen Technologies | Spokane | — | — | — | OSM |
| Lumen Albany 4 | Lumen Technologies | Albany | — | — | — | OSM |
| Lumen Brussels | Colt Technology Services |  Machelen | — | — | 1 | PeeringDB |
| Lumen Cleveland | — | 美国 | — | — | — | OSM |
| Lumen Dallas 6 | Lumen Technologies | 美国 | — | — | — | OSM |
| Lumen Duesseldorf | Colt Technology Services | Düsseldorf | — | — | 2 | PeeringDB |
| Lumen Minneapolis 3 | Lumen Technologies | Minneapolis | — | — | — | OSM |
| Lumen Norfolk | Lumen Technologies | Norfolk | — | — | — | PeeringDB |
| Lumen Norristown | Lumen Technologies | 美国 | — | — | — | OSM |
| Lumen San Antonio 2 | Lumen Technologies | 美国 | — | — | — | OSM |
| Lumen Technologies | Lumen Technologies | Middlesbrough | — | — | — | OSM |
| Lumo Cloud | Lumo Cloud | London | — | — | — | PeeringDB |
| Lumos Networks | — | 美国 | — | — | — | OSM |
| Lyceum of the Philippines University, Inc. | Lyceum of the Philippines University, Inc. |  菲律宾 | — | — | — | OSM |
| Lyon Sévigné | Orange | 法国 | — | — | — | OSM |
| M.A.F Co. | — | 巴基斯坦 | — | — | — | OSM |