Data centres in Japan
231 data centres on record in Japan, across 19 cities. 69 named operators. 1,216 network connections across the 112 sites that publish a count. 1,130 MW of live capacity across 55 sites, of which 18 are estimates. Köppen zones: Cfa, Dfa, Dfb.
Cities
- Tokyo 47
- Osaka 23
- Kitakyushu 8
- Inzai 6
- Kagoshima 6
- Fukuoka 5
- Mitaka 5
- Okayama 5
- Sugai 5
- Toyoda 5
- Sapporo 4
- Yabe 4
- 印西市 4
- Kobe 3
- Minoh 3
- Nagano 3
- Shiroi 3
- Takamatsu 3
- 青梅市 3
Other locations
| Name | Operator | City | Networks | IXs | MW | PUE | Type | Climate |
|---|---|---|---|---|---|---|---|---|
| @Tokyo Chuo Center (CC1 & CC2) | — | Toyosu | — | — | 60.0 | — | — | Cfa |
| Americable Datacenter | — | Ayase | — | — | — | — | — | Cfa |
| Colt Shiohama | — | Tōyō | — | — | 5.6 | — | mixed | Cfa |
| CTC Kobe | CTC | Sandachō | — | — | — | — | — | Cfa |
| Digital Edge TYO1 (MDC) - Tokyo | Digital Edge DC | Bunkyo-Ku | 6 | 0 | 3.8 | — | mixed | Cfa |
| Digital Edge TYO4, TYO5, TYO6 - Tokyo | Digital Edge DC | Yokohama, Kanagawa, | 1 | 0 | — | — | — | Cfa |
| Digital Edge TYO7 - Tokyo | Digital Edge DC | Chuo-ku | 0 | 0 | — | — | — | Cfa |
| Digital Realty Osaka - KIX10 | Digital Realty | Ibaraki-city | 3 | 1 | — | — | — | — |
| Digital Realty Osaka - KIX11 | Digital Realty | Minoo-shi | 4 | 4 | 25.0 | — | colocation | — |
| Digital Realty Osaka - KIX12 | Digital Realty | Minoo-shi | 2 | 1 | 20.0 | — | colocation | — |
| Digital Realty Osaka - KIX13 | Digital Realty | Minoo-shi, Osaka-Fu, | 2 | 0 | 21.0 | — | colocation | — |
| Digital Realty Tokyo - HND10 | Digital Realty | Mitaka-shi | 0 | 0 | — | — | — | — |
| Digital Realty Tokyo - NRT12 | Digital Realty | Inzai-shi | 0 | 0 | 34.0 | — | colocation | — |
| Equinix Tokyo TY5 | — | Tatsumi | — | — | — | — | — | Cfa |
| FRT iDC Okinawa | First Riding Technology Inc. | Urasoe | 2 | 2 | — | — | — | — |
| Ginoza Village IT Operation Park | WingTecJapan G.K | Ginoza Village | 1 | 1 | — | — | — | — |
| HAMANASU INFORMATION CENTER | HAMANASU INFORMATION Co., Ltd. | Iwamizawa | 0 | 0 | — | — | — | Dfb |
| HTNet | Hokuriku Telecommunication Network Co.,Inc. | Kanazawa City | 0 | 0 | — | — | — | — |
| IIJ | IIJ | Matsue | — | — | — | — | — | Cfa |
| IIJ Ikebukuro DC | Internet Initiative Japan Inc. | Toshima-ku | 1 | 1 | — | — | — | — |
| IIJ Shiroi DCC | Internet Initiative Japan Inc. | Shiroi-shi | 3 | 1 | 50.0 | — | colocation | Cfa |
| KCT Corporation | KCT | Kurashiki | 0 | 0 | — | — | — | — |
| KDDI | KDDI | Kanda-awajichō | — | — | — | — | — | Cfa |
| KDDI | — | Iidabashi | — | — | — | — | — | Cfa |
| KDDI | KDDI | Nagoya | — | — | — | — | — | Cfa |
| KDDI Chikura Cable Landing Station | KDDI | Minamibōsō | — | — | — | — | colocation | Cfa |
| KDDI Corporation - Chikura Landing Station | KDDI Corporation | Chikura | 3 | 0 | — | — | — | — |
| Maruyama Cable Landing Station | Softbank Corp. | Minamiboso-shi | 3 | 1 | — | — | — | — |
| Nago Mirai2 Data Center | Qualysite Technologies Inc. | Nago | 1 | 1 | — | — | — | — |
| NEC Kobe System Center | — | Akashi | — | — | — | — | — | Cfa |
| netXDC | SCSK | Sandachō | — | — | 10.0 | 1.30 | colocation | Cfa |
| NTT | NTT | Aihara | — | — | — | — | colocation† | Cfa |
| NTT | NTT | Mukō | — | — | — | — | — | Cfa |
| NTT | NTT | Narashino | — | — | — | — | telecom† | Cfa |
| NTT | NTT | Takanawa | — | — | — | — | colocation† | Cfa |
| NTT | NTT | Sendagaya | — | — | — | — | — | Cfa |
| NTT | NTT | Nagaoka | — | — | — | — | — | Cfa |
| NTT | NTT | Mukō | — | — | — | — | — | Cfa |
| NTT | NTT | Amagi | — | — | — | 1.28† | — | Cfa |
| NTT | NTT | Morioka | — | — | — | — | — | Cfa |
| NTT | NTT | Nihammatsu | — | — | — | — | telecom† | Cfa |
| NTT | NTT | Yonabaru | — | — | — | — | — | — |
| NTT | NTT | Hara-machida | — | — | — | — | telecom† | Cfa |
| NTT | NTT | Kaminoseki | — | — | — | — | — | Cfa |
| NTT Communications - PC1 Ajigaura Landing Station | NTT Communications | Ajigaura | 2 | 0 | — | — | — | — |
| NTT Communications Jitchaku Buillding | NTT BUSINESS SOLUTIONS CORPORATIONS | Urasoe | 1 | 1 | — | — | — | — |
| NTT Docomo | NTT | 渋谷区 | — | — | — | — | — | Cfa |
| NTT Docomo | NTT | Sendagaya | — | — | — | — | — | Cfa |
| NTT DOCOMO BUSINESS OS1 - Osaka (Telepark Dojima Building 1) | NTT DOCOMO BUSINESS (Data Centers) | Osaka-Shi Kita-Ku | 10 | 1 | — | — | — | Cfa |
| NTT DOCOMO BUSINESS OS7 - Osaka | NTT DOCOMO BUSINESS (Data Centers) | Ibaraki-shi | 3 | 1 | — | — | — | — |
| NTT DOCOMO BUSINESS TK10 - Tokyo | NTT DOCOMO BUSINESS (Data Centers) | Mitaka-shi | 1 | 0 | — | — | — | — |
| NTT DOCOMO BUSINESS TK8 - Tokyo | NTT DOCOMO BUSINESS (Data Centers) | Kawasaki-shi | 0 | 0 | — | — | colocation | Cfa |
| NTT EAST 2nd HOKKAIDO DATA CENTER | NTT East Japan | Sapporo-shi | 0 | 1 | — | — | — | — |
| NTT EAST 3rd MIYAGI DATA CENTER | NTT East Japan | Sendai-shi | 0 | 1 | — | — | — | — |
| NTT Fukuoka Tenjin Data Center | NTT SmartConnect Corporation | Hakata | 2 | 2 | — | — | — | — |
| NTT Sonezaki Data Center(Dojima Campus) | NTT SmartConnect Corporation | Osaka-Shi Kita-Ku | 19 | 4 | — | — | colocation | Cfa |
| NTT市川中山ビル | NTT東日本 | Baraki | — | — | — | — | — | Cfa |
| NTT東日本 小曽木電話交換局 | NTT | Ōme | — | — | 0.1† | — | telecom | Cfa |
| NTT武蔵村山電話交換局 | NTT | Yokota | — | — | — | — | telecom† | Cfa |
| NTT西日本 | NTT西日本 | Hirokawa | — | — | — | — | — | Cfa |
| Rakuten | — | Tamagawa | — | — | — | — | — | Cfa |
| Rakuten | — | Tamagawa | — | — | — | — | — | Cfa |
| SCSK netXDC (SH1/SH2) | SCSK Corporation | Sanda-shi | 1 | 0 | — | — | — | — |
| SCSK netXDC (SI1/SI2/SI3)/NEC Inzai DC | SCSK Corporation | Inzai-shi | 3 | 2 | — | — | — | — |
| SoftBank | — | Hamamatsuchō | — | — | — | — | — | Cfa |
| STNet | STNet | Matsuyama | — | — | — | — | — | Cfa |
| TATA Communications - Emi Cable Landing Station | TATA Communications Ltd | Emi | 3 | 0 | — | — | — | — |
| TATA Communications - Toyohashi Cable Landing Station | TATA Communications Ltd | Toyohashi City | 2 | 0 | — | — | — | — |
| TOKAIコミュニケーションズ | TOKAIコミュニケーションズ | Shizuoka | — | — | — | — | — | Cfa |
| Tokyo West 1 | Ada Infrastructure | Tama | 0 | 0 | 10.0† | — | — | Cfa |
| TYO3 Tokyo Data Center | Digital Edge | Kabukicho | — | — | 3.9 | — | mixed | Cfa |
| Unnamed site | — | Takanawa | — | — | — | — | — | Cfa |
| Unnamed site | — | Onomichi | — | — | — | — | — | Cfa |
| Unnamed site | — | Hioki | — | — | — | — | — | Cfa |
| Unnamed site | — | Onomichi | — | — | — | — | — | Cfa |
| エネコム | エネコム | Hiroshima | — | — | — | — | — | Cfa |
| 仙台中央データセンター | TOHKnet Co., Inc. | Sendai-shi | 0 | 1 | — | — | — | — |
| 富士通 | 富士通 | Sendai | — | — | — | — | — | Cfa |
| 情報基盤センター | — | Morioka | — | — | — | — | — | Cfa |
| 東京第6データセンター | NTTドコモビジネス | Nishinippori | — | — | — | — | — | Cfa |
| 株式会社I・TECソリューションズ | 株式会社I・TECソリューションズ | Tomakomai | — | — | — | — | — | Dfb |
| 株式会社アット東京 | 株式会社アット東京 | Toyosu | — | — | 40.0† | — | colocation | Cfa |
| 石狩データセンター | Sakura Internet | Ishikari | — | — | — | — | colocation | Dfa |
| 西東京データセンター 1号棟 | — | Nishi-Tokyo-shi | — | — | — | 1.40 | — | Cfa |
| 西東京データセンター 2号棟 | — | Nishi-Tokyo-shi | — | — | — | 1.40† | — | Cfa |
| 高知信用金庫バックアップセンター | 高知信用金庫 | Tosa | — | — | — | — | — | Cfa |