| Equinix TY8 - Tokyo | Equinix |  Tokyo | 147 | 4 | 6 | PeeringDB |
| AT TOKYO (CC1/CC2) | AT TOKYO | Tokyo | 142 | 6 | 8 | PeeringDB |
| Equinix TY2 - Tokyo | Equinix | Tokyo | 116 | 6 | 9 | PeeringDB |
| Equinix OS1 - Osaka | Equinix | Osaka | 71 | 5 | 8 | PeeringDB |
| Equinix TY6 - Tokyo | Equinix | Tokyo | 70 | 5 | 3 | PeeringDB |
| Equinix TY4 - Tokyo | Equinix | Tokyo | 61 | 5 | 3 | PeeringDB |
| NTT DATA Dojima (building #4) | NTT DATA CORPORATION | Osaka | 47 | 4 | 7 | PeeringDB |
| NTT DATA Otemachi Bldg | NTT DATA CORPORATION | Tokyo | 46 | 6 | 2 | PeeringDB |
| Telehouse – TOKYO Otemachi (KDDI Otemachi) | Telehouse - Global Data Centers | Tokyo | 44 | 2 | — | PeeringDB |
| Equinix TY7 - Tokyo | Equinix | Tokyo | 39 | 2 | 2 | PeeringDB |
| Equinix TY9 - Tokyo | Equinix | Tokyo | 28 | 3 | 2 | PeeringDB |
| Otemachi Place West Tower (BBTower Shin-Otemachi) | BroadBand Tower, Inc. | Tokyo | 28 | 5 | 3 | PeeringDB |
| Digital Edge TYO2 (ComSpace 1) - Tokyo | Digital Edge | Tokyo | 27 | 3 | 2 | PeeringDB |
| Equinix TY1 - Tokyo | Equinix | Tokyo | 26 | 2 | — | PeeringDB |
| Equinix TY3 - Tokyo | Equinix | Tokyo | 23 | 2 | — | PeeringDB |
| Equinix OS3 - Osaka | Equinix | Osaka | 22 | 4 | 4 | PeeringDB |
| NTT Sonezaki Data Center(Dojima Campus) | NTT SmartConnect Corporation | Osaka-Shi Kita-Ku | 19 | 4 | 5 | PeeringDB |
| Digital Realty Tokyo - NRT10 | Digital Realty | Inzai-City | 16 | 3 | 3 | PeeringDB |
| COLT in Asia Tokyo Data Center 1 (TDC1) | Colt Technology Services | Tokyo | 15 | 3 | 1 | PeeringDB |
| NTT DOCOMO BUSINESS OS3 - Osaka (Telepark Dojima Building 3) | NTT DOCOMO BUSINESS (Data Centers) | Osaka | 14 | 1 | — | PeeringDB |
| NTT DOCOMO BUSINESS Tokyo (NW1) | NTT DOCOMO BUSINESS (Data Centers) | Tokyo | 14 | 3 | 1 | PeeringDB |
| QTnet Fukuoka Data Center 3(QD3) | QTnet, Inc. | Fukuoka | 14 | 4 | 1 | PeeringDB |
| Telehouse – OSAKA 1&2 | Telehouse - Global Data Centers | Osaka | 13 | 1 | 4 | PeeringDB |
| NTT DOCOMO BUSINESS TK1 - Tokyo (NTT Otemachi) | NTT DOCOMO BUSINESS (Data Centers) | Tokyo | 11 | 2 | 1 | PeeringDB |
| NTT DOCOMO BUSINESS OS1 - Osaka (Telepark Dojima Building 1) | NTT DOCOMO BUSINESS (Data Centers) | Osaka-Shi Kita-Ku | 10 | 1 | 1 | PeeringDB |
| NTT DOCOMO BUSINESS OS2 - Osaka (Telepark Dojima Building 2) | NTT DOCOMO BUSINESS (Data Centers) | Osaka | 10 | 3 | — | PeeringDB |
| Equinix TY10 - Tokyo | Equinix | Tokyo | 9 | 2 | 2 | PeeringDB |
| Equinix TY15 - Tokyo | Equinix | Tokyo | 9 | 1 | 1 | PeeringDB |
| Equinix TY5 - Tokyo | Equinix | Tokyo | 9 | 2 | — | PeeringDB |
| Equinix TY11 - Tokyo | Equinix | Tokyo | 8 | 2 | — | PeeringDB |
| AT TOKYO (DC12 NTT DATA Dojima(building #4)) | AT TOKYO | Osaka | 7 | 2 | 1 | PeeringDB |
| OPTAGE – OC1（Sonezaki DC） | OPTAGE.co.jp | Osaka | 7 | 3 | 4 | PeeringDB |
| Digital Edge TYO1 (MDC) - Tokyo | Digital Edge | Bunkyo-Ku | 6 | — | 1 | PeeringDB |
| AT TOKYO (CC3) | AT TOKYO | Tokyo | 5 | 5 | 1 | PeeringDB |
| COLT DC Tokyo I | Colt Technology Services | Tokyo | 5 | — | 1 | PeeringDB |
| NTT Kitahama Data Center(Dojima Campus) | NTT SmartConnect Corporation | Osaka | 5 | 1 | 3 | PeeringDB |
| Digital Realty Osaka - KIX11 | Digital Realty | Minoo-shi | 4 | 4 | 4 | PeeringDB |
| Broadband Tower - Monzen-nakacho Bldg. | BroadBand Tower, Inc. | Tokyo | 3 | — | — | PeeringDB |
| Digital Realty Osaka - KIX10 | Digital Realty | Ibaraki-city | 3 | 1 | 4 | PeeringDB |
| IIJ Shiroi DCC | Internet Initiative Japan Inc.-IIJ | Shiroi-shi | 3 | 1 | 2 | PeeringDB |
| KDDI Corporation - Chikura Landing Station | KDDI Corporation | Chikura | 3 | — | — | PeeringDB |
| Marunouchi Direct Access Ohtemachi Data Center 1 | MARUNOUCHI DIRECT ACCESS | Tokyo | 3 | — | — | PeeringDB |
| Maruyama Cable Landing Station | Softbank | Minamiboso-shi | 3 | 1 | — | PeeringDB |
| NTT DOCOMO BUSINESS OS7 - Osaka | NTT DOCOMO BUSINESS (Data Centers) | Ibaraki-shi | 3 | 1 | 2 | PeeringDB |
| SCSK netXDC (SI1/SI2/SI3)/NEC Inzai DC | SCSK Corporation | Inzai-shi | 3 | 2 | 1 | PeeringDB |
| TATA Communications - Emi Cable Landing Station | Tata Communications | Emi | 3 | — | — | PeeringDB |
| Colt DC Tokyo II | Colt Technology Services | Tokyo | 2 | 1 | 1 | PeeringDB |
| Colt DC Tokyo III | Colt Technology Services | Tokyo | 2 | — | 1 | PeeringDB |
| Digital Realty Osaka - KIX12 | Digital Realty | Minoo-shi | 2 | 1 | 4 | PeeringDB |
| Digital Realty Osaka - KIX13 | Digital Realty | Minoo-shi, Osaka-Fu, | 2 | — | 2 | PeeringDB |
| FRT iDC Okinawa | First Riding Technology Inc. | Urasoe | 2 | 2 | — | PeeringDB |
| NTT Communications - PC1 Ajigaura Landing Station | NTT Communications | Ajigaura | 2 | — | — | PeeringDB |
| NTT Fukuoka Tenjin Data Center | NTT SmartConnect Corporation | Hakata | 2 | 2 | 1 | PeeringDB |
| Shin Nikko Bldg | UCOM | Tokyo | 2 | — | — | PeeringDB |
| TATA Communications - Toyohashi Cable Landing Station | Tata Communications | Toyohashi City | 2 | — | — | PeeringDB |
| Digital Edge TYO3 (ComSpace 2) - Tokyo | Digital Edge | Tokyo | 1 | — | 1 | PeeringDB |
| Digital Edge TYO4, TYO5, TYO6 - Tokyo | Digital Edge | Yokohama, Kanagawa, | 1 | — | — | PeeringDB |
| Ginoza Village IT Operation Park | WingTecJapan G.K | Ginoza Village | 1 | 1 | — | PeeringDB |
| IIJ Ikebukuro DC | Internet Initiative Japan Inc.-IIJ | Toshima-ku | 1 | 1 | 1 | PeeringDB |
| NTT Communications Jitchaku Buillding | NTT BUSINESS SOLUTIONS CORPORATIONS | Urasoe | 1 | 1 | — | PeeringDB |
| NTT DATA Mitaka DataCenter EAST | NTT DATA CORPORATION | Tokyo | 1 | 1 | — | PeeringDB |
| NTT DOCOMO BUSINESS TK10 - Tokyo | NTT DOCOMO BUSINESS (Data Centers) | Mitaka-shi | 1 | — | 1 | PeeringDB |
| NTT DOCOMO BUSINESS TK12 - Tokyo | NTT DOCOMO BUSINESS (Data Centers) | Tokyo | 1 | — | — | PeeringDB |
| NTT DOCOMO BUSINESS TK3 - Tokyo | NTT DOCOMO BUSINESS (Data Centers) | Tokyo | 1 | — | — | PeeringDB |
| NTT DOCOMO BUSINESS TK4 - Tokyo | NTT DOCOMO BUSINESS (Data Centers) | Tokyo | 1 | — | — | PeeringDB |
| NTT DOCOMO BUSINESS TK5 - Tokyo | NTT DOCOMO BUSINESS (Data Centers) | Tokyo | 1 | — | — | PeeringDB |
| NTT DOCOMO BUSINESS TK6 - Tokyo | NTT DOCOMO BUSINESS (Data Centers) | Tokyo | 1 | — | — | PeeringDB |
| NTT Nipponbashi Data Center(Dojima Campus) | NTT SmartConnect Corporation | Osaka | 1 | — | 1 | PeeringDB |
| Nago Mirai2 Data Center | Qualysite Technologies Inc. | Nago | 1 | 1 | — | PeeringDB |
| OPTAGE – Umedakita DC | OPTAGE.co.jp | Osaka | 1 | — | 1 | PeeringDB |
| Ogis Osaka | Ogis-RI Co, Ltd. | Osaka | 1 | — | 1 | PeeringDB |
| SCSK netXDC (SH1/SH2) | SCSK Corporation | Sanda-shi | 1 | — | 2 | PeeringDB |
| Secure Data Center Honkan | SECOM Trust Systems | Mitaka | 1 | — | — | PeeringDB |
| SoftBank Tokyo No. 4 | Softbank | Tokyo | 1 | 1 | — | PeeringDB |
| Telehouse – TOKYO Koto (AT TOKYO CC1) | Telehouse - Global Data Centers | Tokyo | 1 | — | — | PeeringDB |
| 2A | AirTrunk | 青梅市 | — | — | — | OSM |
| 2B | AirTrunk | 青梅市 | — | — | — | OSM |
| 2C | AirTrunk | 青梅市 | — | — | — | OSM |
| @Tokyo Chuo Center (CC1 & CC2) | — | Япония | — | — | — | OSM |
| AT TOKYO (HC1 HOTnet Sapporo(SDC)) | AT TOKYO | Sapporo | — | — | — | PeeringDB |
| AT TOKYO (QC1 QTnet Fukuoka(QD3)) | AT TOKYO | Fukuoka | — | 4 | 1 | PeeringDB |
| Ada Infrastructure TKW1-2 | — | Япония | — | — | — | OSM |
| Americable Datacenter | — | Япония | — | — | — | OSM |
| Broadband Tower - Shibuya Datacenter Bldg. | BroadBand Tower, Inc. | Tokyo | — | — | — | PeeringDB |
| Colt Osaka Keihanna Data Centre | Colt data centre services | Япония | — | — | — | OSM |
| Colt Shiohama | — | Япония | — | — | — | OSM |
| ComSpace III | ARTERIA Networks Corporation | Tokyo | — | — | — | PeeringDB |
| Digital Edge OSA1 - Osaka | Digital Edge | Osaka | — | 3 | 4 | PeeringDB |
| Digital Edge OSA2 | Digital Edge | Kobe | — | — | — | PeeringDB |
| Digital Edge TYO7 - Tokyo | Digital Edge | Chuo-ku | — | — | 1 | PeeringDB |
| Digital Realty Tokyo - HND10 | Digital Realty | Mitaka-shi | — | — | — | PeeringDB |
| Digital Realty Tokyo - HND11 | Digital Realty | Mitaka | — | — | — | PeeringDB |
| Digital Realty Tokyo - NRT12 | Digital Realty | Inzai-shi | — | — | 1 | PeeringDB |
| Digital Realty Tokyo - NRT14 | Digital Realty | Inzai City | — | — | 1 | PeeringDB |
| Equinix | — | Япония | — | — | — | OSM |
| Equinix | Equinix | Япония | — | — | — | OSM |
| Fugaku (supercomputer) | — | Япония | — | — | — | OSM |
| HAMANASU INFORMATION CENTER | HAMANASU INFORMATION Co., Ltd. | Iwamizawa | — | — | — | PeeringDB |
| HTNet | Hokuriku Telecommunication Network Co.,Inc. | Kanazawa City | — | — | — | PeeringDB |
| Hokkaido Internet Exchange Data Center | Hokuden Information Technology,Inc. | Sapporo | — | — | — | PeeringDB |