Every MAC/OUI block IEEE has registered to this exact organization name, combined.
Registered nameHamamatsu Photonics K.K.
Total assignments3
Total address capacity33,558,528
First tracked hereAug 22, 2026
Last changed hereAug 22, 2026
SourceIEEE Registration Authority
Vendor registration identifies the organization holding a block, not a specific device model, product line, or manufacturing date. This page combines every block IEEE has registered under this exact organization name; it doesn't mean every address in every listed block is currently shipping in a real device.
About Hamamatsu Photonics K.K.
Hamamatsu Photonics is a Japanese maker of optical sensors, light sources and instruments for scientific, technical and medical use.
Devices that use these prefixes
- Scientific cameras and optical instruments
Assignments by type
| Type | Count |
|---|---|
| MA-L | 2 |
| MA-S | 1 |
Countries in IEEE's registration records
| Country | Blocks |
|---|---|
| 🇯🇵 Japan | 3 |
Download this organization's blocks
Get just these assignments as CSV or JSON, generated fresh from the live registry on every request.
3 registered prefixes
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