Every MAC/OUI block IEEE has registered to this exact organization name, combined.
Registered nameEspressif Systems (Singapore) Pte. Ltd
Total assignments19
Total address capacity318,767,104
First tracked hereAug 22, 2026
Last changed hereOct 28, 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 Espressif Systems (Singapore) Pte. Ltd
An Espressif registrant name.
Devices that use these prefixes
- ESP32 and ESP8266 modules inside smart home and IoT products
Related companies
- Espressif Inc.: the main Espressif registrant
Assignments by type
| Type | Count |
|---|---|
| MA-L | 19 |
Countries in IEEE's registration records
| Country | Blocks |
|---|---|
| πΈπ¬ Singapore | 19 |
Download this organization's blocks
Get just these assignments as CSV or JSON, generated fresh from the live registry on every request.
19 registered prefixes
Prefix
Type
10:A8:5B:00:00:00 /24
MA-L
1C:8B:84:00:00:00 /24
MA-L
1C:E4:CB:00:00:00 /24
MA-L
20:D5:C2:00:00:00 /24
MA-L
20:E5:A4:00:00:00 /24
MA-L
3C:0D:0D:00:00:00 /24
MA-L
54:16:A5:00:00:00 /24
MA-L
54:2B:88:00:00:00 /24
MA-L
58:B1:45:00:00:00 /24
MA-L
6C:3D:D8:00:00:00 /24
MA-L
6C:C4:AF:00:00:00 /24
MA-L
6C:E2:10:00:00:00 /24
MA-L
9C:96:D5:00:00:00 /24
MA-L
A0:60:25:00:00:00 /24
MA-L
AC:A2:6A:00:00:00 /24
MA-L
B4:FE:B5:00:00:00 /24
MA-L
B8:BB:11:00:00:00 /24
MA-L
C8:DA:29:00:00:00 /24
MA-L
D0:9A:AF:00:00:00 /24
MA-L
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