I-NET: Primary, Yokohama, Kanagawa

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644-12 Maiokachō
Operational
Fully operational facility
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I-NET: Primary, Yokohama, Kanagawa

Year Built: 2009
Floors: 5

Sites on this Campus:

I-Net Primary is I-NET Corp.'s principal data center facility located on elevated, flood-resistant terrain in Totsuka Ward, Yokohama. The campus comprises two buildings equipped with Hybrid TASS seismic isolation, flat-slab server floors with 5-meter ceiling height, and support for high-density GPU and AI workloads. Power infrastructure consists of dual independent special high-voltage grid feeds backed by rooftop N+1 gas turbine generators. The facility holds ISO 27001, ISO 27017, and ISO 9001 certifications and connects directly to I-NET's regional facilities in Hokkaido, Nagano, and Osaka.

Map and Nearby Locations:

644-12 Maiokachō
I-NET Corp. Sites
Nearby Facilities

Sites within 15 miles of I-NET: Primary, Yokohama, Kanagawa

Distance Site About
1.59 miles I-NET: Primary, Yokohama, Kanagawa 2
The second and larger of I-NET Corp.'s two inet primary buildings in Totsuka Ward, Yokohama, commissioned in 2013 to expand the company's flagship campus in response to growing managed cloud and colocation demand.
3.68 miles Hyperscale Data Center Request Dataset
5.93 miles I-NET: Annex, Yokohama, Kanagawa
The I-NET Annex is a high-density, carrier-neutral facility in Yokohama designed to support AI processing and hybrid cloud environments.
6.20 miles IDC Frontier: Kanagawa Yokohama
6.50 miles Mitsui: Kanagawa
Mitsui & Co., a Japanese conglomerate, invested ¥18 billion (approximately $121 million) to acquire a hyperscale data center.
8.78 miles Digital Edge: Yokohama TY05
The TY05 (YCC East) facility is one of three buildings that make up Digital Edge's Yokohama Computer Center (YCC). The campus is located in Tsuzuki-ku, Yokohama, positioned 5.5 miles (9 kilometers) inland from Tokyo Bay.
8.80 miles Digital Edge: Yokohama TY04
Digital Edge's Yokohama Computer Center (YCC) is situated in Tsuzuki-ku, Yokohama, approximately 5.5 miles (9 kilometers) inland from Tokyo Bay. The campus comprises three buildings.
8.83 miles Digital Edge: Yokohama TY06
The TY06 (YCC North) facility is one of three buildings that make up Digital Edge's Yokohama Computer Center (YCC). The campus is located in Tsuzuki-ku, Yokohama, positioned 5.5 miles (9 kilometers) inland from Tokyo Bay.
10.80 miles NTT Yokohama 1
12.65 miles NTT TK8
15.16 miles Vantage Tokyo (HND1)
Located in Sagamihara, the Tokyo campus will be comprised of 300,000 square feet (28,000 square meters) and will feature three multi-story, earthquake resistant facilities.
16.31 miles Equinix Tokyo TY1
16.31 miles INAP Heiwajima Ota-ku
16.38 miles Deft: Tokyo TY1
16.39 miles Hyperscale Data Center Request Dataset
16.39 miles Telehouse: Tokyo Tama 1
KDDI's Tama Campus, which opened in 2008, consists of three data center buildings with a total capacity of 4,300 racks.
16.41 miles Telehouse: Tokyo Tama 2
KDDI opened its second building at Telehouse Tokyo Tama in 2013, expanding its suburban data center campus.
16.44 miles Telehouse Tokyo Tama 3
16.46 miles Mapletree: Tama-shi
Mapletree Industrial Trust has acquired a 98.47 percent stake in a Tokyo mixed-use property through a JPY14.5 billion ($99.5 million) deal with Nagayama Tokutei Mokuteki Kaisha.
16.49 miles Goldman Sachs: Tokyo HND1
16.54 miles ADA: TKW1 DC3
The planned facility is a part of ADA Infrastructure's Tokyo West Campus in Japan.
16.55 miles Telehouse: Tokyo Tama 5
KDDI's Tama 5 data center, which opened in July 2020, spans 14 stories and can accommodate 1,500 racks.
16.55 miles ADA: TKW1 DC2
In May 2024, Ada Infrastructure started construction on a second building at its Tokyo West campus in Japan.
16.56 miles ADA Tokyo West 1
The campus will comprise three buildings, with Building 1 being a three-story facility spanning 8,700 square meters (93,650 square feet) on a 3,400-square-meter (36,600-square-foot) site.
16.60 miles NEC: Kanagawa 2
This facility is a part of NEC's Kanagawa Data Center Campus in Japan. The facility can handle densities of more than 20kW per rack.
16.67 miles NEC: Sagamihara, Kanagawa
The first building of NEC's Kanagawa Data Center Campus was opened in January 2014 and hosts 3,000 racks.
17.90 miles Keppel DC: Tokyo 2
The project, named Keppel Data Centre Tokyo 2, has already broken ground and will offer approximately 300,000 square feet (27,871 square meters) of space when completed in 2026.
18.24 miles AT&T Tokyo NRT4
18.43 miles Equinix Tokyo TY2
18.65 miles Equinix Tokyo TY8
18.70 miles Equinix Tokyo TY7
18.75 miles Equinix Tokyo TY6
18.77 miles Hyperscale Data Center Request Dataset
18.98 miles Telehouse: Tokyo Shibuya
The data center in Shibuya is inside a 15-story high-rise tower and a four-story low-rise tower with a massive 15,000 m2 of dedicated floor space.
19.00 miles Equinix TY15
TY15 is located about 1km from Equinix TY6/TY7/TY8 data centers. A direct fiber connection to TY2 just 1.5km away makes this new IBX data center a premier connectivity site in Tokyo. The facility has an initial capacity of 1,200 cabinets.
19.16 miles IDC Frontier: Tokyo Fuchu
The facility has a gross floor area of 45,419 square meters and contains approximately 4,000 racks.
19.24 miles DayOne: Fuchu Intelligent Park
The plots cover a total area of 10,970 square meters (118,080 square feet), and the first phase is scheduled to begin operations in late 2026.
19.39 miles MCC Mitaka: North Block
19.40 miles Telehouse: Tokyo Fuchu
The Telehouse Fuchu data center features earthquake-resistant construction on solid ground.
19.41 miles MCC Mitaka: South Block
19.55 miles NTT DATA Mitaka East (TK10)
19.56 miles NTT Mitaka West
19.57 miles AT TOKYO Central Tokyo
AT TOKYO’s 25 megawatts (MW) data center is located at the heart of Tokyo.
19.57 miles NTT Tokyo No 11
19.58 miles Keppel DC: Tokyo 1
Keppel expanded its data center portfolio in July 2024 by purchasing an existing facility in Tokyo for JPY 23.4 billion (approximately $144.8 million).
19.58 miles Telecom Center Building
19.75 miles Digital Edge: Shibuya (SDC)
The facility was acquired in 2021 as part of Digital Edge's US$230 million (JPY26 billion) purchase of five data center assets from Itochu Techno-Solutions (CTC).

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Operating Company

Operated by:

iNET Corp. provides integrated information technology services through its own data center facilities located in Japan. The company’s operations include the management of proprietary cloud platforms, system integration for the financial and public sectors, and managed services that cover the entire IT lifecycle from hardware maintenance to application development. Its infrastructure is designed to facilitate hybrid cloud environments by connecting corporate systems with major global cloud providers.

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