AltoBeam Inc.

AltoBeam Inc. holds 53 OUI prefixes in the IEEE registry. Each prefix is the first three octets of a MAC address and covers a block of 16,777,216 addresses, so devices built by AltoBeam Inc. draw from a pool of about 889,192,448 possible MAC addresses in total.

Registered address: B808, Tsinghua Tongfang Hi-Tech Plaza, Haidian Beijing Beijing CN 100083

All 53 prefixes

• 08:76:8308:76:83:00:00:00 – 08:76:83:FF:FF:FF
• 20:98:ED20:98:ED:00:00:00 – 20:98:ED:FF:FF:FF
• 2C:CC:7A2C:CC:7A:00:00:00 – 2C:CC:7A:FF:FF:FF
• 2C:D8:DE2C:D8:DE:00:00:00 – 2C:D8:DE:FF:FF:FF
• 30:BE:2930:BE:29:00:00:00 – 30:BE:29:FF:FF:FF
• 38:54:F538:54:F5:00:00:00 – 38:54:F5:FF:FF:FF
• 38:77:0738:77:07:00:00:00 – 38:77:07:FF:FF:FF
• 38:BE:AB38:BE:AB:00:00:00 – 38:BE:AB:FF:FF:FF
• 44:29:1E44:29:1E:00:00:00 – 44:29:1E:FF:FF:FF
• 44:72:AC44:72:AC:00:00:00 – 44:72:AC:FF:FF:FF
• 48:A4:FD48:A4:FD:00:00:00 – 48:A4:FD:FF:FF:FF
• 48:D0:1C48:D0:1C:00:00:00 – 48:D0:1C:FF:FF:FF
• 4C:2F:7B4C:2F:7B:00:00:00 – 4C:2F:7B:FF:FF:FF
• 4C:37:DE4C:37:DE:00:00:00 – 4C:37:DE:FF:FF:FF
• 4C:60:BA4C:60:BA:00:00:00 – 4C:60:BA:FF:FF:FF
• 50:EE:9B50:EE:9B:00:00:00 – 50:EE:9B:FF:FF:FF
• 54:14:E954:14:E9:00:00:00 – 54:14:E9:FF:FF:FF
• 58:C5:8758:C5:87:00:00:00 – 58:C5:87:FF:FF:FF
• 5C:4E:EE5C:4E:EE:00:00:00 – 5C:4E:EE:FF:FF:FF
• 60:56:EE60:56:EE:00:00:00 – 60:56:EE:FF:FF:FF
• 60:DC:8160:DC:81:00:00:00 – 60:DC:81:FF:FF:FF
• 64:70:8464:70:84:00:00:00 – 64:70:84:FF:FF:FF
• 68:48:B468:48:B4:00:00:00 – 68:48:B4:FF:FF:FF
• 6C:22:1A6C:22:1A:00:00:00 – 6C:22:1A:FF:FF:FF
• 6C:A6:136C:A6:13:00:00:00 – 6C:A6:13:FF:FF:FF
• 7C:AA:DE7C:AA:DE:00:00:00 – 7C:AA:DE:FF:FF:FF
• 80:1A:2380:1A:23:00:00:00 – 80:1A:23:FF:FF:FF
• 80:E8:6980:E8:69:00:00:00 – 80:E8:69:FF:FF:FF
• 84:7A:B684:7A:B6:00:00:00 – 84:7A:B6:FF:FF:FF
• 88:28:7D88:28:7D:00:00:00 – 88:28:7D:FF:FF:FF
• 8C:5C:538C:5C:53:00:00:00 – 8C:5C:53:FF:FF:FF
• 90:31:4B90:31:4B:00:00:00 – 90:31:4B:FF:FF:FF
• 94:FF:7D94:FF:7D:00:00:00 – 94:FF:7D:FF:FF:FF
• 98:08:1898:08:18:00:00:00 – 98:08:18:FF:FF:FF
• 98:A8:2998:A8:29:00:00:00 – 98:A8:29:FF:FF:FF
• 9C:1C:379C:1C:37:00:00:00 – 9C:1C:37:FF:FF:FF
• A0:CA:4AA0:CA:4A:00:00:00 – A0:CA:4A:FF:FF:FF
• A4:EF:15A4:EF:15:00:00:00 – A4:EF:15:FF:FF:FF
• B4:FB:E3B4:FB:E3:00:00:00 – B4:FB:E3:FF:FF:FF
• BC:AD:AEBC:AD:AE:00:00:00 – BC:AD:AE:FF:FF:FF
• C0:2E:DFC0:2E:DF:00:00:00 – C0:2E:DF:FF:FF:FF
• C0:8A:60C0:8A:60:00:00:00 – C0:8A:60:FF:FF:FF
• D0:A6:51D0:A6:51:00:00:00 – D0:A6:51:FF:FF:FF
• D8:3A:36D8:3A:36:00:00:00 – D8:3A:36:FF:FF:FF
• D8:3E:EBD8:3E:EB:00:00:00 – D8:3E:EB:FF:FF:FF
• E0:22:A1E0:22:A1:00:00:00 – E0:22:A1:FF:FF:FF
• E0:D3:F0E0:D3:F0:00:00:00 – E0:D3:F0:FF:FF:FF
• E8:2D:79E8:2D:79:00:00:00 – E8:2D:79:FF:FF:FF
• E8:F4:94E8:F4:94:00:00:00 – E8:F4:94:FF:FF:FF
• F4:1C:26F4:1C:26:00:00:00 – F4:1C:26:FF:FF:FF
• F4:B1:9CF4:B1:9C:00:00:00 – F4:B1:9C:FF:FF:FF
• F4:E2:5DF4:E2:5D:00:00:00 – F4:E2:5D:FF:FF:FF
• FC:FD:71FC:FD:71:00:00:00 – FC:FD:71:FF:FF:FF

Have a full MAC address? Look it up to see which of these prefixes it belongs to — or browse the full manufacturer directory.