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Datacenters in Japan

How many datacenters are in Japan?

viabandwidth maps 186 datacenter facilities across Japan, including 28 with a network-verified operator. Every record is checked against network evidence rather than self-reported listings, so you can shortlist by metro, certification, and connectivity, then unlock the operator dossier for verified contacts and the network proof behind each facility.

Connectivity and operator data sourced from PeeringDB and RIR registrations and independently verified. Last reviewed 2026-06-10.

186 facilities

Showing the first 60

TATA Communications - Emi Cable Landing Station

TATA Communications Ltd

Emi, Japan

Verified operator
Connectivity: ListedDossier available

NTT Fukuoka Tenjin Data Center

NTT SmartConnect Corporation

Hakata, Japan

Verified operator
Connectivity: DenseDossier available

Digital Realty Osaka - KIX10

Digital Realty

Ibaraki-city, Japan

Verified operator
Connectivity: ActiveDossier available

Digital Realty Tokyo - NRT10

Digital Realty

Inzai-City, Japan

Verified operator
Connectivity: DenseDossier availableSOC2ISO 27001PCI-DSS+1

Digital Realty Osaka - KIX11

Digital Realty

Minoo-shi, Japan

Verified operator
Connectivity: DenseDossier available

Digital Realty Osaka - KIX12

Digital Realty

Minoo-shi, Japan

Verified operator
Connectivity: ActiveDossier available

Digital Realty Osaka - KIX13

Digital Realty

Minoo-shi, Osaka-Fu,, Japan

Verified operator
Connectivity: ActiveDossier available

Secure Data Center Honkan

SECOM Trust Systems Co.,Ltd.

Mitaka, Japan

Verified operator
Connectivity: ListedDossier availableISO 27001ISO 22301ISO 9001

Equinix OS1 - Osaka

Equinix, Inc.

Osaka, Japan

Verified operator
Connectivity: DenseDossier availableISO 14001ISO 22301ISO 27001+6

NTT DOCOMO BUSINESS OS3 - Osaka (Telepark Dojima Building 3)

NTT DOCOMO BUSINESS (Data Centers)

Osaka, Japan

Verified operator
Connectivity: ActiveDossier availableISO 14001

NTT DATA Dojima (building #4)

NTT DATA CORPORATION

Osaka, Japan

Verified operator
Connectivity: DenseDossier availableGDPR

NTT Kitahama Data Center(Dojima Campus)

NTT SmartConnect Corporation

Osaka, Japan

Verified operator
Connectivity: ActiveDossier available

NTT Nipponbashi Data Center(Dojima Campus)

NTT SmartConnect Corporation

Osaka, Japan

Verified operator
Connectivity: ListedDossier available

NTT Sonezaki Data Center(Dojima Campus)

NTT SmartConnect Corporation

Osaka-Shi Kita-Ku, Japan

Verified operator
Connectivity: DenseDossier available

IIJ Shiroi DCC

Internet Initiative Japan Inc.

Shiroi-shi, Japan

Verified operator
Connectivity: ActiveDossier available

AT TOKYO (CC1/CC2)

AT TOKYO Corporation

Tokyo, Japan

Verified operator
Connectivity: DenseDossier availablePCI-DSSSOC2

COLT DC Tokyo I

Colt Technology Services Group

Tokyo, Japan

Verified operator
Connectivity: ListedDossier available

COLT in Asia Tokyo Data Center 1 (TDC1)

Colt Technology Services Group

Tokyo, Japan

Verified operator
Connectivity: DenseDossier available

Colt DC Tokyo II

Colt Technology Services Group

Tokyo, Japan

Verified operator
Connectivity: ActiveDossier available

Colt DC Tokyo III

Colt Technology Services Group

Tokyo, Japan

Verified operator
Connectivity: ListedDossier available

Equinix TY2 - Tokyo

Equinix, Inc.

Tokyo, Japan

Verified operator
Connectivity: DenseDossier availableISO 14001ISO 22301ISO 27001+6

Equinix TY4 - Tokyo

Equinix, Inc.

Tokyo, Japan

Verified operator
Connectivity: DenseDossier availableISO 14001ISO 22301ISO 27001+6

NTT DOCOMO BUSINESS TK1 - Tokyo (NTT Otemachi)

NTT DOCOMO BUSINESS (Data Centers)

Tokyo, Japan

Verified operator
Connectivity: DenseDossier availableISO 14001

NTT DOCOMO BUSINESS Tokyo (NW1)

NTT DOCOMO BUSINESS (Data Centers)

Tokyo, Japan

Verified operator
Connectivity: DenseDossier availableISO 14001

NTT DATA Otemachi Bldg

NTT DATA CORPORATION

Tokyo, Japan

Verified operator
Connectivity: DenseDossier available

Otemachi Place West Tower (BBTower Shin-Otemachi)

BroadBand Tower, Inc.

Tokyo, Japan

Verified operator
Connectivity: DenseDossier available

IIJ Ikebukuro DC

Internet Initiative Japan Inc.

Toshima-ku, Japan

Verified operator
Connectivity: ActiveDossier available

TATA Communications - Toyohashi Cable Landing Station

TATA Communications Ltd

Toyohashi City, Japan

Verified operator
Connectivity: ListedDossier available

NTT Communications - PC1 Ajigaura Landing Station

NTT Communications

Ajigaura, Japan

Public facility record
Connectivity: Listed

Digital Edge TYO1 (MDC) - Tokyo

Digital Edge DC

Bunkyo-Ku, Japan

Public facility record
Connectivity: ListedDossier availableISO 14001ISO 50001ISO 22301+5

KDDI Corporation - Chikura Landing Station

KDDI Corporation

Chikura, Japan

Public facility record
Connectivity: Listed

Digital Edge TYO7 - Tokyo

Digital Edge DC

Chuo-ku, Japan

Public facility record
Connectivity: ListedDossier availableISO 14001ISO 50001ISO 22301+5

AT TOKYO (QC1 QTnet Fukuoka(QD3))

AT TOKYO Corporation

Fukuoka, Japan

Network-confirmed presence
Connectivity: Dense

QTnet Fukuoka Data Center 3(QD3)

QTnet, Inc.

Fukuoka, Japan

Network-confirmed presence
Connectivity: Dense

Ginoza Village IT Operation Park

WingTecJapan G.K

Ginoza Village, Japan

Network-confirmed presence
Connectivity: Active

NTT DOCOMO BUSINESS OS7 - Osaka

NTT DOCOMO BUSINESS (Data Centers)

Ibaraki-shi, Japan

Network-confirmed presence
Connectivity: ActiveDossier availableISO 14001

STT Tokyo 1

ST Telemedia Global Data Centres (STT GDC)

Inzai, Japan

Discovered facility
Connectivity: UnknownDossier available

STT Tokyo 2

ST Telemedia Global Data Centres (STT GDC)

Inzai, Japan

Discovered facility
Connectivity: UnknownDossier available

Digital Realty Tokyo - NRT14

Digital Realty

Inzai City, Japan

Discovered facility
Connectivity: UnknownDossier available

Digital Realty Tokyo - NRT12

Digital Realty

Inzai-shi, Japan

Discovered facility
Connectivity: UnknownDossier available

SCSK netXDC (SI1/SI2/SI3)/NEC Inzai DC

SCSK Corporation

Inzai-shi, Japan

Network-confirmed presence
Connectivity: Dense

HAMANASU INFORMATION CENTER

HAMANASU INFORMATION Co., Ltd.

Iwamizawa, Japan

Discovered facility
Connectivity: UnknownDossier available

HTNet

Hokuriku Telecommunication Network Co.,Inc.

Kanazawa City, Japan

Discovered facility
Connectivity: UnknownDossier available

NTT DOCOMO BUSINESS TK8 - Tokyo

NTT DOCOMO BUSINESS (Data Centers)

Kawasaki-shi, Japan

Discovered facility
Connectivity: UnknownDossier availableISO 14001

Digital Edge OSA2

Digital Edge DC

Kobe, Japan

Discovered facility
Connectivity: UnknownDossier availableISO 14001ISO 50001ISO 22301+5

KCT Corporation

KCT

Kurashiki, Japan

Discovered facility
Connectivity: UnknownDossier available

Maruyama Cable Landing Station

Softbank Corp.

Minamiboso-shi, Japan

Network-confirmed presence
Connectivity: ActiveDossier availableISO 27001ISO 14001ISO 9001

Digital Realty Tokyo - HND11

Digital Realty

Mitaka, Japan

Discovered facility
Connectivity: UnknownDossier available

Secure Data Center Bekkan

SECOM Trust Systems Co.,Ltd.

Mitaka, Japan

Discovered facility
Connectivity: UnknownDossier availableISO 27001ISO 22301ISO 9001

Secure Data Center Shinkan

SECOM Trust Systems Co.,Ltd.

Mitaka, Japan

Discovered facility
Connectivity: UnknownDossier availableISO 27001ISO 22301ISO 9001

Secure Data Center TC4

SECOM Trust Systems Co.,Ltd.

Mitaka, Japan

Discovered facility
Connectivity: UnknownDossier availableISO 27001ISO 22301ISO 9001

Digital Realty Tokyo - HND10

Digital Realty

Mitaka-shi, Japan

Discovered facility
Connectivity: UnknownDossier available

NTT DOCOMO BUSINESS TK10 - Tokyo

NTT DOCOMO BUSINESS (Data Centers)

Mitaka-shi, Japan

Public facility record
Connectivity: ListedDossier availableISO 14001

Nago Mirai2 Data Center

Qualysite Technologies Inc.

Nago, Japan

Network-confirmed presence
Connectivity: Active

ACATEL-AS – Osaka

ACATEL-AS

Osaka, Japan

Discovered facility
Connectivity: Unknown

AT TOKYO (DC12 NTT DATA Dojima(building #4))

AT TOKYO Corporation

Osaka, Japan

Network-confirmed presence
Connectivity: Dense

AirTrunk Operating – Osaka

AirTrunk Operating

Osaka, Japan

Discovered facility
Connectivity: UnknownDossier available

CCD1-AS-AP Cocoon Data Limited – Osaka

CCD1-AS-AP Cocoon Data Limited

Osaka, Japan

Discovered facility
Connectivity: Unknown

CloudFlare, Inc. – Osaka

CloudFlare, Inc.

Osaka, Japan

Discovered facility
Connectivity: Unknown

Cloudflare London – Osaka

Cloudflare London

Osaka, Japan

Discovered facility
Connectivity: Unknown

Frequently asked questions

How many datacenters are in Japan?
viabandwidth tracks 186 facilities in Japan, of which 28 have a network-verified operator.
Which Japan datacenters are carrier-neutral?
Use the connectivity band on each facility to gauge network density. Facilities marked Dense or Active show multiple networks, exchange presence, or carriers on-net; the exact carrier and ASN counts are in the operator dossier.
Can I get operator contacts for Japan facilities?
Yes. Each verified facility has an operator dossier with role-based sales and procurement contacts plus the network evidence, unlocked with credits.

Metros in Japan

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