macadress

EM Microelectronic

76 blocks
Every MAC/OUI block IEEE has registered to this exact organization name, combined.
Registered nameEM Microelectronic
Total assignments76
Total address capacity1,275,068,416
First tracked hereAug 22, 2026
Last changed hereSep 29, 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 EM Microelectronic

EM Microelectronic is a Swiss chip maker, part of the Swatch Group, known for low-power ICs and RFID.

Devices that use these prefixes

  • Low-power wireless and RFID chips inside other products

Assignments by type

TypeCount
MA-L76

Countries in IEEE's registration records

CountryBlocks
🇨🇭 Switzerland76

Download this organization's blocks

Get just these assignments as CSV or JSON, generated fresh from the live registry on every request.

76 registered prefixes

Prefix Type
04:9E:28:00:00:00 /24 MA-L 08:73:6F:00:00:00 /24 MA-L 08:CE:94:00:00:00 /24 MA-L 0C:F3:EE:00:00:00 /24 MA-L 10:9D:9C:00:00:00 /24 MA-L 18:32:19:00:00:00 /24 MA-L 28:E9:71:00:00:00 /24 MA-L 2C:AB:EE:00:00:00 /24 MA-L 2C:DC:C1:00:00:00 /24 MA-L 30:40:FA:00:00:00 /24 MA-L 34:5B:98:00:00:00 /24 MA-L 40:69:18:00:00:00 /24 MA-L 44:38:F3:00:00:00 /24 MA-L 44:45:20:00:00:00 /24 MA-L 44:D5:C1:00:00:00 /24 MA-L 48:83:6F:00:00:00 /24 MA-L 48:A1:7A:00:00:00 /24 MA-L 50:F2:22:00:00:00 /24 MA-L 58:35:0F:00:00:00 /24 MA-L 58:C3:56:00:00:00 /24 MA-L 5C:33:B1:00:00:00 /24 MA-L 5C:53:B4:00:00:00 /24 MA-L 5C:B2:60:00:00:00 /24 MA-L 60:2B:58:00:00:00 /24 MA-L 64:F5:4E:00:00:00 /24 MA-L 68:47:24:00:00:00 /24 MA-L 68:53:9D:00:00:00 /24 MA-L 68:D9:76:00:00:00 /24 MA-L 78:5F:28:00:00:00 /24 MA-L 7C:17:79:00:00:00 /24 MA-L 7C:5C:8D:00:00:00 /24 MA-L 80:65:59:00:00:00 /24 MA-L 84:CB:85:00:00:00 /24 MA-L 84:E5:85:00:00:00 /24 MA-L 88:8C:1B:00:00:00 /24 MA-L 88:DB:08:00:00:00 /24 MA-L 8C:08:3C:00:00:00 /24 MA-L 8C:61:20:00:00:00 /24 MA-L 8C:CD:55:00:00:00 /24 MA-L 8C:D6:7F:00:00:00 /24 MA-L 90:1A:4F:00:00:00 /24 MA-L 90:65:60:00:00:00 /24 MA-L 90:A7:BF:00:00:00 /24 MA-L 94:0B:FA:00:00:00 /24 MA-L 94:6C:04:00:00:00 /24 MA-L 98:75:96:00:00:00 /24 MA-L A0:7E:16:00:00:00 /24 MA-L A4:7E:36:00:00:00 /24 MA-L AC:FC:E3:00:00:00 /24 MA-L B0:95:01:00:00:00 /24 MA-L B0:FA:91:00:00:00 /24 MA-L B8:48:AA:00:00:00 /24 MA-L BC:6E:6D:00:00:00 /24 MA-L C0:49:BD:00:00:00 /24 MA-L C0:D0:63:00:00:00 /24 MA-L C8:F2:25:00:00:00 /24 MA-L CC:19:66:00:00:00 /24 MA-L CC:22:DF:00:00:00 /24 MA-L D0:35:E5:00:00:00 /24 MA-L D0:A9:D3:00:00:00 /24 MA-L D8:F7:60:00:00:00 /24 MA-L DC:CB:35:00:00:00 /24 MA-L E0:18:9F:00:00:00 /24 MA-L E0:31:5D:00:00:00 /24 MA-L E0:C4:01:00:00:00 /24 MA-L E4:64:47:00:00:00 /24 MA-L EC:1B:FA:00:00:00 /24 MA-L EC:3B:AF:00:00:00 /24 MA-L EC:B0:D2:00:00:00 /24 MA-L F0:6D:93:00:00:00 /24 MA-L F0:86:6F:00:00:00 /24 MA-L F4:6E:D6:00:00:00 /24 MA-L F4:FB:F5:00:00:00 /24 MA-L F8:05:84:00:00:00 /24 MA-L FC:96:3E:00:00:00 /24 MA-L FC:CF:9F:00:00:00 /24 MA-L
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