Every MAC/OUI block IEEE has registered to this exact organization name, combined.
Registered nameHYOSUNG Heavy Industries Corporation
Total assignments3
Total address capacity1,056,768
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 HYOSUNG Heavy Industries Corporation
Hyosung Heavy Industries is a South Korean company in power transmission and distribution equipment, transformers and renewable energy.
Devices that use these prefixes
- Substation and grid communication equipment
Assignments by type
| Type | Count |
|---|---|
| MA-M | 1 |
| MA-S | 2 |
Countries in IEEE's registration records
| Country | Blocks |
|---|---|
| 🇰🇷 South Korea | 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
Page 1 of 1