Tuya Smart Inc.

Tuya Smart Inc. holds 40 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 Tuya Smart Inc. draw from a pool of about 671,088,640 possible MAC addresses in total.

Registered address: 160 Greentree Drive, Suite 101 Dover DE US 19904

All 40 prefixes

• 00:33:7A00:33:7A:00:00:00 – 00:33:7A:FF:FF:FF
• 10:5A:1710:5A:17:00:00:00 – 10:5A:17:FF:FF:FF
• 10:D5:6110:D5:61:00:00:00 – 10:D5:61:FF:FF:FF
• 18:69:D818:69:D8:00:00:00 – 18:69:D8:FF:FF:FF
• 18:DE:5018:DE:50:00:00:00 – 18:DE:50:FF:FF:FF
• 1C:90:FF1C:90:FF:00:00:00 – 1C:90:FF:FF:FF:FF
• 20:F1:B220:F1:B2:00:00:00 – 20:F1:B2:FF:FF:FF
• 2C:B4:712C:B4:71:00:00:00 – 2C:B4:71:FF:FF:FF
• 30:48:7D30:48:7D:00:00:00 – 30:48:7D:FF:FF:FF
• 38:1F:8D38:1F:8D:00:00:00 – 38:1F:8D:FF:FF:FF
• 38:2C:E538:2C:E5:00:00:00 – 38:2C:E5:FF:FF:FF
• 38:A5:C938:A5:C9:00:00:00 – 38:A5:C9:FF:FF:FF
• 3C:0B:593C:0B:59:00:00:00 – 3C:0B:59:FF:FF:FF
• 4C:A9:194C:A9:19:00:00:00 – 4C:A9:19:FF:FF:FF
• 50:8A:0650:8A:06:00:00:00 – 50:8A:06:FF:FF:FF
• 50:8B:B950:8B:B9:00:00:00 – 50:8B:B9:FF:FF:FF
• 68:57:2D68:57:2D:00:00:00 – 68:57:2D:FF:FF:FF
• 70:89:7670:89:76:00:00:00 – 70:89:76:FF:FF:FF
• 7C:F6:667C:F6:66:00:00:00 – 7C:F6:66:FF:FF:FF
• 80:64:7C80:64:7C:00:00:00 – 80:64:7C:FF:FF:FF
• 84:E3:4284:E3:42:00:00:00 – 84:E3:42:FF:FF:FF
• A0:92:08A0:92:08:00:00:00 – A0:92:08:FF:FF:FF
• A8:80:55A8:80:55:00:00:00 – A8:80:55:FF:FF:FF
• B8:06:0DB8:06:0D:00:00:00 – B8:06:0D:FF:FF:FF
• BC:35:1EBC:35:1E:00:00:00 – BC:35:1E:FF:FF:FF
• C0:F8:53C0:F8:53:00:00:00 – C0:F8:53:FF:FF:FF
• C4:82:E1C4:82:E1:00:00:00 – C4:82:E1:FF:FF:FF
• CC:8C:BFCC:8C:BF:00:00:00 – CC:8C:BF:FF:FF:FF
• D0:32:E7D0:32:E7:00:00:00 – D0:32:E7:FF:FF:FF
• D0:82:E8D0:82:E8:00:00:00 – D0:82:E8:FF:FF:FF
• D0:82:EBD0:82:EB:00:00:00 – D0:82:EB:FF:FF:FF
• D4:A6:51D4:A6:51:00:00:00 – D4:A6:51:FF:FF:FF
• D8:1F:12D8:1F:12:00:00:00 – D8:1F:12:FF:FF:FF
• D8:C8:0CD8:C8:0C:00:00:00 – D8:C8:0C:FF:FF:FF
• D8:D6:68D8:D6:68:00:00:00 – D8:D6:68:FF:FF:FF
• D8:FC:92D8:FC:92:00:00:00 – D8:FC:92:FF:FF:FF
• E4:AE:E4E4:AE:E4:00:00:00 – E4:AE:E4:FF:FF:FF
• F8:17:2DF8:17:2D:00:00:00 – F8:17:2D:FF:FF:FF
• FC:3C:D7FC:3C:D7:00:00:00 – FC:3C:D7:FF:FF:FF
• FC:67:1FFC:67:1F:00:00:00 – FC:67:1F: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.