| Internode DC | Vocus Group | Adelaide | Australia | 2 | 0 |
| Interphase Data Center New York I | Interphase Communications, Inc. | New York | United States | 1 | 0 |
| Interphase Data Center New York II | Interphase Communications, Inc. | New York | United States | 0 | 0 |
| intersaar SB3 | intersaar GmbH | Saarbrücken | Germany | 3 | 1 |
| InterServer Teb2 | InterServer, Inc | Secaucus | United States | 2 | 0 |
| InterServer Teb4 | InterServer, Inc | Secaucus | United States | 0 | 0 |
| Intershop-Tower Jena | IKS Service GmbH | Jena | Germany | 1 | 0 |
| iNTERWERK Rechenzentrum | iNTERWERK | Frankfurt | Germany | 47 | 3 |
| Intesis Chile | INTESIS CHILE S.A | Santiago | Chile | 0 | 0 |
| intibu - istanbul | Ciklet Iletisim | Istanbul | Turkey | 2 | 1 |
| INTRED-DC-CRETA | Intred SpA | Brescia | Italy | 0 | 0 |
| INTRED-DC-TAMBURINI | Intred SpA | Brescia | Italy | 0 | 0 |
| INWI Data Center | Wana Corporate | Rabat | Morocco | 1 | 0 |
| iODC | iODC ApS | Hvidovre | Denmark | 1 | 0 |
| iomart DC1 Glasgow | iomart Hosting Limited | Glasgow | United Kingdom | 8 | 0 |
| iomart DC2 London | iomart Hosting Limited | London | United Kingdom | 5 | 0 |
| iomart DC3 Nottingham | iomart Hosting Limited | Nottingham | United Kingdom | 3 | 0 |
| iomart DC4 Leicester | iomart Hosting Limited | Leicester | United Kingdom | 3 | 0 |
| iomart DC5 Maidenhead | iomart Hosting Limited | Maidenhead | United Kingdom | 7 | 0 |
| iomart DC6 Turing House | Melbourne Server Hosting | Manchester | United Kingdom | 3 | 0 |
| iomart DC7 The Server Hotel Reynolds | Melbourne Server Hosting | Manchester | United Kingdom | 5 | 0 |
| iomart DC9 Gosport | iomart Hosting Limited | Gosport | United Kingdom | 2 | 0 |
| IP House Data Centre | IP House Ltd | London | United Kingdom | 17 | 0 |
| IP Pathways DSM1 | IP Pathways, LLC | Urbandale | United States | 2 | 0 |
| IP Pathways KC1 | IP Pathways, LLC | Kansas City | United States | 1 | 0 |
| IP ServerOne MYIX-CJ1 | IP ServerOne Solutions Sdn Bhd | Cyberjaya | Malaysia | 2 | 1 |
| IP-Only Espoo | GlobalConnect Group | Espoo | Finland | 7 | 0 |
| IPCore Datacenter Madrid | IPCore Datacenter SL | Madrid | Spain | 17 | 1 |
| IPDN Data Center | IPDN | Jakarta Selatan | Indonesia | 33 | 1 |
| Ipera Newcastle | Ipera | Newcastle | Australia | 1 | 0 |
| IPHOME M9 | IP-Home | Moscow | Russia | 0 | 0 |
| IPLAN (NSS) - RINGO DCI | IPLAN (NSS) | Buenos Aires | Argentina | 5 | 0 |
| IPR Wilmington CCC | IPR International | Wilmington | United States | 2 | 0 |
| IPTelecom Data Center HK | TECHAVENUE GROUP | Hong Kong | Hong Kong SAR China | 3 | 0 |
| IPTelecom ltd. | [email protected] | Ulyanovsk | Russia | 0 | 0 |
| IPTP, Kermia 1 Limassol, Cyprus | IPTP Networks | Limassol | Cyprus | 4 | 2 |
| IPTP, Matrix 4, Amsterdam, The Netherlands | IPTP Networks | Amsterdam | Netherlands | 9 | 1 |
| IPTP, San Isidro, Lima, Peru | IPTP Networks | San Isidro Lima | Peru | 12 | 2 |
| IRIS - Nashville | IRIS | Nashville | United States | 1 | 0 |
| irix Tier IV DC @ Santubong 1 | IRIX | Kuching | Malaysia | 2 | 1 |
| Iron Mountain Data Center - Amsterdam (AMS-1) | Iron Mountain Data Centers | Amsterdam | Netherlands | 164 | 9 |
| Iron Mountain Data Center - Bangalore (BLR-1) | Iron Mountain Data Centers | Bangalore | India | 1 | 0 |
| Iron Mountain Data Center - Boston (BOS-1) | Iron Mountain Data Centers | Northborough | United States | 1 | 0 |
| Iron Mountain Data Center - Delhi (NCR-1) | Iron Mountain Data Centers | Noida | India | 1 | 0 |
| Iron Mountain Data Center - Denver (DEN-1) | Iron Mountain Data Centers | Denver | United States | 8 | 2 |
| Iron Mountain Data Center - Frankfurt (FRA-2) | Iron Mountain Data Centers | Frankfurt am Main | Germany | 5 | 1 |
| Iron Mountain Data Center - Hyderabad (HYD-1) | Iron Mountain Data Centers | Hyderabad | India | 0 | 0 |
| Iron Mountain Data Center - Kansas City (KCM-1) | Iron Mountain Data Centers | Kansas City | United States | 2 | 0 |
| Iron Mountain Data Center - London (LON-1) | Iron Mountain Data Centers | Slough | United Kingdom | 7 | 0 |
| Iron Mountain Data Center - Madrid (MAD-1) | Iron Mountain Data Centers | San Fernando de Henares | Spain | 0 | 0 |