Data centers in Japan
This page lists 191 data centers in Japan. Most are in Tokyo (25), Osaka (17) and Inzai (11). 49 named operators run facilities here; the largest by number of listings are NTT Global Data Centers (30), Equinix (19) and Colt DCS (10).
By type, the listings in Japan are 54% colocation, 39% unclassified and 3% cloud region. Among single buildings with published figures, the largest by power capacity are AirTrunk TOK1 Tokyo East (AirTrunk, 300 MW) and AirTrunk TOK2 Tokyo West (AirTrunk, 110 MW).
Worldwide, Japan ranks 10th of 155 countries by number of listings, with 2% of all listed facilities. In Eastern Asia it ranks 2nd of 7; the others with the most listings are China (433), Hong Kong (47) and South Korea (37).
178 of 191 facilities have coordinates.
Cities
Operators
Top 25 of 49 operators.
Largest facilities by floor area
| Facility | Operator | Floor area, sq ft |
|---|---|---|
| AirTrunk TOK1 Tokyo East | AirTrunk | 861,112 |
| Colt DCS Osaka Keihanna | Colt DCS | 452,084 |
| Digital Realty NRT10 | Digital Realty | 406,500 |
| Digital Realty HND10 + HND11 | Digital Realty | 273,000 |
| Digital Realty NRT12 | Digital Realty | 249,500 |
| Digital Realty KIX11 | Digital Realty | 241,500 |
| Colt DCS Tokyo Shiohama | Colt DCS | 229,788 |
| Digital Realty KIX12 | Digital Realty | 194,000 |
| CyrusOne Osaka, OSK1 | CyrusOne | 124,452 |
| Equinix Tokyo TY11 | Equinix | 124,355 |
| Digital Realty KIX13 | Digital Realty | 119,000 |
| Digital Realty KIX10 | Digital Realty | 92,000 |
| Equinix Tokyo TY15 | Equinix | 89,125 |
| NEXTDC TK1 Tokyo Data Centre | NEXTDC | 86,111 |
| Equinix Osaka OS3 | Equinix | 80,375 |