Every MAC/OUI block IEEE has registered to this exact organization name, combined.
Registered nameVaisala Oyj
Total assignments4
Total address capacity1,060,864
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 Vaisala Oyj
Vaisala makes weather and environmental sensors.
Devices that use these prefixes
- Weather stations and industrial sensors
Assignments by type
| Type | Count |
|---|---|
| MA-M | 1 |
| MA-S | 1 |
| IAB | 2 |
Countries in IEEE's registration records
| Country | Blocks |
|---|---|
| 🇫🇮 Finland | 4 |
Download this organization's blocks
Get just these assignments as CSV or JSON, generated fresh from the live registry on every request.
4 registered prefixes
Prefix
Type
40:ED:98:70:00:00 /28
MA-M
00:50:C2:13:B0:00 /36
IAB
00:50:C2:F8:70:00 /36
IAB
70:B3:D5:5F:F0:00 /36
MA-S
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