| Hasselt DC1 | DataZone BVBA | Hasselt | Belgium | 3 | 1 |
| Hasselt DC2 | DataZone BVBA | Hasselt | Belgium | 4 | 0 |
| Haute-Saône Numérique | Département de la Haute-Saône | Vesoul | France | 3 | 0 |
| Hawaii Pacific Teleport | Hawaii Pacific Teleport LP | Kapolei | United States | 1 | 1 |
| HCE Telecom Hamilton | Hamilton Utilities Corporation | Hamilton | Canada | 0 | 0 |
| HCE Telecom, Hamilton | Hamilton Community Enterprises | Hamilton | Canada | 0 | 0 |
| HDC1 - 108 Bank St | Colocation America Corporation | Waterbury | United States | 0 | 0 |
| HDDC | HD Net Ltd | Auckland | New Zealand | 4 | 0 |
| Heartland Technology Data Center | JDC Data LLC | Jesup | United States | 0 | 0 |
| HELIANTIS | HELIANTIS SAS | Pau | France | 0 | 0 |
| Hemlock Plaza | 600Amps Internet Services, Inc. | Brookings | United States | 1 | 1 |
| Hermes Telecom DC | Hermes Telecom (Belgium) BVBA | Antwerp | Belgium | 4 | 0 |
| Herza DC - Cyber1 | PT. Herza Digital Indonesia | Jakarta Selatan | Indonesia | 2 | 0 |
| Herza DC - Tifa | PT. Herza Digital Indonesia | South Jakarta | Indonesia | 3 | 0 |
| Hetzner Online FSN1 (Falkenstein) | Hetzner Online GmbH | Falkenstein | Germany | 23 | 1 |
| Hetzner Online HEL1 (Helsinki) | Hetzner Online GmbH | Tuusula | Finland | 14 | 1 |
| Hetzner Online NBG1 (Nuremberg) | Hetzner Online GmbH | Nuremberg | Germany | 50 | 4 |
| HEX - DC/BDS | GAMGROUP SRL | Brindisi | Italy | 2 | 0 |
| Hexa Data Center | Hexa Media Sarana, PT | Kampar | Indonesia | 3 | 0 |
| Hexanet - DC Roland | Hexanet SAS | Reims | France | 4 | 0 |
| Hexanet - DC Sabine | Hexanet SAS | Reims | France | 4 | 1 |
| Hexatom Sophia Antipolis | Hexatom S.A.R.L. | Nice | France | 1 | 0 |
| Heyburn Building | The Heyburn Building | Louisville | United States | 4 | 1 |
| HGC - Sino Favour Centre | HGC Global Communications Limited | Hong Kong | Hong Kong SAR China | 2 | 1 |
| Hibernia Atlantic Dublin International Exchange Center | Hibernia Atlantic | Dublin | Ireland | 5 | 0 |
| Hibernia Atlantic Halifax International Exchange Center | Hibernia Atlantic | Herring Cove | Canada | 2 | 0 |
| High DC | Neocarrier Communications SARL | La Chaux-de-Fonds | Switzerland | 2 | 0 |
| High5! Amsterdam | High5! B.V. | Amsterdam | Netherlands | 0 | 0 |
| HighDC La Chaux-de-Fonds | HighDC | La Chaux-de-Fonds | Switzerland | 0 | 0 |
| HiMORE Digital | HiMORE Digital | Taipei | Taiwan | 0 | 0 |
| Hive Data Center - Montreal | Hive Data Center Inc. | Pointe-Claire | Canada | 7 | 1 |
| Hivelocity | Hivelocity LLC | Tampa | United States | 4 | 0 |
| Hiway Internet | Hiway Internet | Valinhos | Brazil | 0 | 0 |
| HKBN Cable TV Tower Data Centre | HKBN Enterprise Solutions Limited | Tsuen Wan | Hong Kong SAR China | 6 | 0 |
| HKBN Edwick Industrial Centre | HKBN Enterprise Solutions Limited | Kwai Chung | Hong Kong SAR China | 6 | 0 |
| HKBN World Peace Centre | HKBN Enterprise Solutions Limited | Kwai Chung | Hong Kong SAR China | 6 | 0 |
| HKCOLO - Sino Favour Centre | HKCOLO - Sino Favour Centre | Hong Kong | Hong Kong SAR China | 16 | 1 |
| HKNET | HKnet - NTT | Kwai Chung | Hong Kong SAR China | 0 | 0 |
| HLBOORXH - Hawthorne Central Office | Ziply Fiber | Hillsboro | United States | 1 | 0 |
| HNS - IDC01 | Honesty Net Solutions (I) Pvt Ltd | Mumbai | India | 2 | 0 |
| Hoern Campus Kiel | ADDIX Internet Services GmbH | Kiel | Germany | 2 | 0 |
| Hokkaido Internet Exchange Data Center | Hokuden Information Technology,Inc. | Sapporo | Japan | 0 | 0 |
| Holland Datacenters | Holland Datacenters B.V. | Kloetinge | Netherlands | 1 | 0 |
| Homenet Lahore | HOMENET PRIVATE LIMITED | Lahore | Pakistan | 0 | 0 |
| Host Color | HostColor | New York | United States | 1 | 0 |
| Host Networks BNE1 | Host Networks | Brisbane | Australia | 7 | 1 |
| Host-Telecom.com | Host-Telecom.com s.r.o. | Veselí nad Lužnicí | Czechia | 1 | 0 |
| Host.it DC1 | Host.it S.p.A. | Turin | Italy | 5 | 0 |
| HostDime BOG Colombia Tier IV Data Center | HostDime | Bogota | Colombia | 5 | 1 |
| HostDime GDL Mexico Data Center | HostDime | Guadalajara | Mexico | 13 | 1 |