Every MAC/OUI block IEEE has registered to this exact organization name, combined.
Registered nameSquare Inc.
Total assignments4
Total address capacity19,922,944
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 Square Inc.
Square makes card readers and point-of-sale hardware.
Devices that use these prefixes
- Card readers and point-of-sale terminals
Assignments by type
| Type | Count |
|---|---|
| MA-L | 1 |
| MA-M | 3 |
Countries in IEEE's registration records
| Country | Blocks |
|---|---|
| 🇺🇸 United States | 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
44:59:25:00:00:00 /24
MA-L
1C:59:74:60:00:00 /28
MA-M
2C:D1:41:D0:00:00 /28
MA-M
8C:47:6E:50:00:00 /28
MA-M
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