| M1 StackTelecom Datacenter | — |  俄罗斯 | — | — | — | OSM |
| MAF War Gaming Simulation Center | — |  马来西亚 | — | — | — | OSM |
| MAKNANET | آفاق اندیش داده پردیس |  پردیس | — | — | — | OSM |
| MARA Data Center | Marathon Digital Holdings |  Granbury | — | — | — | OSM |
| MAXNET Łukasz Hamerski | Maxnet |  Gdynia | — | — | — | PeeringDB |
| MAXXNET | MAXXNET |  Riobamba | — | — | — | PeeringDB |
| MCI Stockholm (Kista) | Verizon Communications, Inc. |  Stockholm | — | — | — | PeeringDB |
| MCI/Verizon Brussels (Diegem) H | Verizon Communications, Inc. |  Brussels | — | — | — | PeeringDB |
| MEASAT DC Cyberjaya | MEASAT Satellite Systems | Cyberjaya | — | — | — | PeeringDB |
| MENGINE | MENGINE |  Sartrouville | — | — | — | PeeringDB |
| MEO | MEO |  葡萄牙 | — | — | — | OSM |
| METROWAN TELECOM Santiago | GRUPO METROWAN TELECOM |  Santiago | — | — | — | PeeringDB |
| MGcloud | MGCLOUD SOLUCOES EM TIC LTDA - ME |  Belo Horizonte | — | — | — | PeeringDB |
| MICROLINK-NRI-1 | Microlink | Niteroi | — | — | — | PeeringDB |
| MICROLINK-NRI-2 | Microlink | Niteroi | — | — | — | PeeringDB |
| MLIX | Autorité Malienne de Regulation des Télécommincations/TIC et Postes (AMRTP) |  Bamako | — | 1 | — | PeeringDB |
| MLS Noumea | MLS (Micro Logic Systems) |  Noumea | — | — | — | PeeringDB |
| MOMIT Milan | Momit |  Milan | — | — | — | PeeringDB |
| MSK-IX | Joint-stock company Internet Exchange MSK-IX | 俄罗斯 | — | — | — | OSM |
| MSTN LLC | MSTN | Moscow | — | — | — | PeeringDB |
| MTN | MTN |  南非 | — | — | — | OSM |
| MTN Centre Kigali | MTN Rwandacell |  Kigali | — | — | — | PeeringDB |
| MTN Ghana Tetteh Quarshie Switch Center | MTN Ghana Tetteh Quarshie Switch Center |  加纳 | — | — | — | OSM |
| MTN Newlands | MTN | 南非 | — | — | — | OSM |
| MTP Sites Tijuana Edge | MTP Sites |  Tijuana | — | — | — | PeeringDB |
| MVM NET Adatközpont Kft. | MVM NET Adatközpont Kft. |  Göd | — | — | — | OSM |
| MY03 | Bridge Data Centres | Kuala Lumpur | — | — | — | PeeringDB |
| MY06 | Bridge Data Centres | Kulai | — | — | — | PeeringDB |
| MY07 | Bridge Data Centres | Johor | — | — | — | PeeringDB |
| Maan Group | Privat |  挪威 | — | — | — | OSM |
| Magdalena Datacenter | https://www.espanix.net/es/ |  Madrid | — | 4 | — | PeeringDB |
| Magic OnLine | Magic Online | Montreuil | — | — | — | PeeringDB |
| Magyar Telekom | Magyar Telekom | Győr | — | — | — | OSM |
| Magyar Telekom | Magyar Telekom | 匈牙利 | — | — | — | OSM |
| Magyar Telekom | Magyar Telekom | 匈牙利 | — | — | — | OSM |
| Magyar Telekom Cloud & DataCenter | Telekom Rendszerintegráció Zrt. | Budapest | — | — | — | OSM |
| Maila Datacenter 01 (Porto Alegre) | Maila Networks | Porto Alegre | — | — | — | PeeringDB |
| Main Communication Control Centre | — |  乌克兰 | — | — | — | OSM |
| Maincubes FRA02 | maincubes |  德国 | — | — | — | OSM |
| Mainova WebHouse | — | Frankfurt am Main | — | — | — | OSM |
| Makarios Earth Station Kofinou | CytaGlobal |  Kofinou | — | — | — | PeeringDB |
| Manasquan Cable Landing Station (Apollo) | Vodafone | 美国 | — | — | — | OSM |
| Manasquan Cable Landing Station (TAT-14) | Sprint | Manasquan | — | — | — | OSM |
| Manoj Data Recovery services | — |  Hyderabad | — | — | — | OSM |
| Manukau Datacenter | Vodafone |  新西兰 | — | — | — | OSM |
| Mapletree Industrial | Mapletree Industrial | Alpharetta | — | — | — | OSM |
| Marquette-Adams Telephone Coop | — | 美国 | — | — | — | OSM |
| Mars Datacenter | Mars Datacenter |  İstanbul | — | — | — | OSM |
| Marseille Nedelec | Orange | 法国 | — | — | — | OSM |
| Marseille St-Mauront | Orange | 法国 | — | — | — | OSM |
| Marunouchi Direct Access Ohtemachi Data Center 2 | MARUNOUCHI DIRECT ACCESS |  Tokyo | — | — | 1 | PeeringDB |
| Marysville Place | — |  加拿大 | — | — | — | OSM |
| Mauritius Telecom RBDC | Mauritius Telecom |  Rose Belle | — | — | — | PeeringDB |
| Mauritius Telecom RHDC | Mauritius Telecom | Rose Hill | — | — | — | PeeringDB |
| Max-Planck Computing & Data Facility | Max-Planck Computing & Data Facility | 德国 | — | — | — | OSM |
| Maxiweb Internet Provider | G2G Internet Jundiai | Jundiai | — | — | — | PeeringDB |
| Maxxam Analytics International Inc. | — | 加拿大 | — | — | — | OSM |
| Media Sat Data Center | Media Sat |  Bucharest | — | — | — | PeeringDB |
| Mediaflog | COMUNICACIONES Y SERVICIOS MEDIAFLOG LTDA. | Santiago | — | — | — | PeeringDB |
| Medyabim Datacenter | — | 土耳其 | — | — | — | OSM |
| Megasnet IDC - FSA | Rede MegasNet Telecomunicações | Feira De Santana | — | — | — | PeeringDB |
| Menlo Digital MD-DC1 | — | 美国 | — | — | — | OSM |
| Meta | Meta | Los Lunas | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | Los Lunas | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | Los Lunas | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | Los Lunas | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | 美国 | — | — | — | OSM |
| Meta | Meta | Los Lunas | — | — | — | OSM |
| Meta Clonee 1 Data Center | Meta |  爱尔兰 | — | — | — | OSM |
| Meta Clonee 2 Data Center | Meta | 爱尔兰 | — | — | — | OSM |
| Meta Clonee 3 Data Center | Meta | 爱尔兰 | — | — | — | OSM |
| Meta Clonee 5 Data Center | Meta | 爱尔兰 | — | — | — | OSM |
| Meta Clonee 6 Data Center | Meta | 爱尔兰 | — | — | — | OSM |
| Meta Data Center | Meta | 美国 | — | — | — | OSM |
| Meta Gallatin Data Center | Meta | 美国 | — | — | — | OSM |
| Meta Gallatin Data Center | Meta | 美国 | — | — | — | OSM |
| Meta Gallatin Data Center | Meta | 美国 | — | — | — | OSM |