AT TOKYO data centres
As of 16 October 2026, the Data Centre Register lists 6 data centres operated by AT TOKYO in 1 market, with 134 MW of live IT capacity and 12 MW in the pipeline (0 MW under construction, 12 MW committed and 0 MW at an early stage).
Markets
| Market | Sites | Live MW | Pipeline MW |
|---|---|---|---|
| Japan | 6 | 134 | 12 |
Capacity by stage
| Stage | Sites | IT capacity |
|---|---|---|
| Live | 6 | 134 MW |
| Under construction | 0 | 0 MW |
| Committed | 0 | 12 MW |
| Early stage | 0 | 0 MW |
| Land banked | 0 | – |
| No capacity listed | 0 | – |
A site counts in the most advanced stage that has capacity listed. Pipeline is under construction, committed and early stage together.
Cities
| City | Sites | Live MW | Pipeline MW |
|---|---|---|---|
| Koto | 3 | 96 | 0 |
| Fuchu | 1 | 25 | 0 |
| Tokyo | 1 | 12 | 12 |
| Osaka | 1 | 1 | 0 |
Types of data centre
AT TOKYO has 6 colocation and 0 self-build data centres in the register. By category: Wholesale (4), Retail (2). Ready-for-service years listed run from 2000 to 2024.
See every AT TOKYO site on the map
The register has a record for each of these 6 sites: operator, address, coordinates, capacity by stage, ready-for-service year and sources. Sign in with Google for a free account: 5 full site records and 100 sites in lists a day. Pro (US$49 a month) opens 300 records a day, full query lists and Ask AI.
Frequently asked questions
- How many data centres does AT TOKYO operate?
- The Data Centre Register lists 6 data centres for AT TOKYO as of 16 October 2026: 6 live, 0 under construction, 0 committed and 0 at an early stage.
- What is AT TOKYO's data centre capacity?
- AT TOKYO has 134 MW of live data centre IT capacity listed, plus 12 MW in the pipeline, for 146 MW in total.
- Where does AT TOKYO have data centres?
- AT TOKYO's largest markets by IT capacity are Japan.
- Where does this data come from?
- The Data Centre Register at globaldcwiki.com is built from a register of data centre sites. Every proposed change is checked against outside sources and accepted by an admin before it appears. Figures were last updated on 16 October 2026.
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Last updated 16 October 2026. Cite as: Data Centre Register, "AT TOKYO data centres", https://www.globaldcwiki.com/operators/at-tokyo.