| ACW Winter Haven | Alternative Choice Wireless, LLC | Winter Haven | United States | 0 | 0 |
| Ad Valem Technologies - France (Saint-Denis) | Ad Valem Technologies | Saint-Denis | France | 2 | 0 |
| Ada Infrastructure (Docklands) | Ada Infrastructure | London | United Kingdom | 0 | 0 |
| Adam - BCN | ADAM | Barcelona | Spain | 1 | 0 |
| Adam - MAD | ADAM | Alcalá de Henares | Spain | 3 | 0 |
| Adam - PTV | ADAM | Cerdanyola del Vallès | Spain | 6 | 0 |
| Adam Data Centre | Vocus Group | Mile End South | Australia | 3 | 0 |
| Adamant, LLC | Adamant, LLC | Kyiv | Ukraine | 4 | 0 |
| AdaniConneX Chennai 1 | AdaniConneX | Chennai | India | 1 | 2 |
| Adaptivity Datacenter | ADAPTIVITY s.r.o. | Zlin | Czechia | 1 | 0 |
| ADC Mitchell | Australian Data Centre | Mitchell | Australia | 1 | 0 |
| Adeo Datacenter | Adeo DC ApS | Albertslund | Denmark | 7 | 0 |
| ADESTIS Nürnberg NBG1 (Alte Dampfbäckerei) | ADESTIS GmbH | Nuremberg | Germany | 1 | 0 |
| ADETIC N'Djamena | Agence de Développement de Technologies de l'Information et de la Communication | N'Djamena | Chad | 0 | 1 |
| Adexus Santiago | Adexus S.A. | Santiago | Chile | 0 | 0 |
| Adexus Santiago - CLink Extension | Adexus S.A. | Santiago | Chile | 1 | 0 |
| Adgar Partner | Interhost Networks | Rosh HaaYin | Israel | 6 | 0 |
| ADISTA Groupe | WEBINDUSTRIE | Tours | France | 0 | 0 |
| Adman | Adman | Novosibirsk | Russia | 1 | 0 |
| ADN Datacenters | ADN Solutions S.A. (Rokru Int.) | Alajuela | Costa Rica | 0 | 0 |
| AdNet Datacenter | AdNet Telecom | Bucharest | Romania | 1 | 0 |
| ADP3 TELECOMUNICAÇõES LTDA | ADP3 TELECOMUNICACOES LTDA. | São Paulo | Brazil | 0 | 0 |
| ADV BENAVIDEZ | Advantun SRL | Benavídez | Argentina | 2 | 0 |
| ADV DC Wilde | Advantun SRL | Wilde | Argentina | 1 | 1 |
| ADV TALAR | Advantun SRL | Buenos Aires | Argentina | 1 | 1 |
| ADV ZARATE | Advantun SRL | Zárate | Argentina | 1 | 1 |
| Advanced IX SAL | Advanced IX S.A.L. | Beirut | Lebanon | 0 | 0 |
| Advanced MedioMatrix | Advanced MedioMatrix | Peltre | France | 3 | 0 |
| Advantage | S5 Datacentre | Advantage Computers Ltd | Palmerston North | New Zealand | 3 | 0 |
| Adylnet Telecom - Porto Alegre | Adylnet Telecom | Porto Alegre | Brazil | 14 | 1 |
| Aecero - Orange County (SNA1) | Aecero Inc. | Anaheim | United States | 1 | 0 |
| Affarsverken Karlskrona | Affarsverken AB | Karlskrona | Sweden | 2 | 0 |
| Afribone DC Bamako MALI | Afribone Mali SA | Bamako | Mali | 1 | 0 |
| Africa Data Centres, Cape Town CPT1, South Africa | Africa Data Centres | Cape Town | South Africa | 20 | 2 |
| Africa Data Centres, Johannesburg JHB1, South Africa | Africa Data Centres | Midrand | South Africa | 26 | 2 |
| Africa Data Centres, Johannesburg JHB2, South Africa | Africa Data Centres | Samrand | South Africa | 16 | 1 |
| Africa Data Centres, Lagos LOS1, Nigeria | Africa Data Centres | Lagos | Nigeria | 11 | 1 |
| Africa Data Centres, Nairobi NBO1, Kenya | Africa Data Centres | Nairobi | Kenya | 120 | 4 |
| Africa Digital Data Center - Thika | Safaricom Limited | Thika | Kenya | 2 | 0 |
| AFTAB NAGAR ONLINE SERVICE (ANOS) | AFTAB NAGAR ONLINE SERVICE (ANOS) | Dhaka | Bangladesh | 0 | 0 |
| Agência Municipal de Tecnologia da Informação | Prefeitura Municipal de Campo Grande | Campo Grande | Brazil | 0 | 1 |
| Agile Aurora | Agile Data Sites | Aurora | United States | 0 | 0 |
| Agile Silver Spring | Agile Data Sites | Silver Spring | United States | 0 | 0 |
| Agilis Networks | Agilis Networks | Sudbury | Canada | 0 | 0 |
| AIC | Arminco Ltd | Yerevan | Armenia | 1 | 0 |
| AIMS Bangkok 44 N Sathon Rd | AIMS Data Centre Sdn Bhd | Bangkok | Thailand | 7 | 2 |
| AIMS CJ1 Cyberjaya | AIMS Data Centre Sdn Bhd | Cyberjaya | Malaysia | 7 | 0 |
| AIMS Cyberjaya | AIMS Data Centre Sdn Bhd | Cyberjaya | Malaysia | 9 | 0 |
| AIMS Kuala Lumpur | AIMS Data Centre Sdn Bhd | Kuala Lumpur | Malaysia | 102 | 6 |
| AIMS Kuala Lumpur 2 | AIMS Data Centre Sdn Bhd | Kuala Lumpur | Malaysia | 6 | 0 |