Silicon Laboratories

Silicon Laboratories holds 152 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 Silicon Laboratories draw from a pool of about 2,550,136,832 possible MAC addresses in total.

Registered address: 400 W. Cesar Chavez St. Austin TX US 78701

All 152 prefixes

• 00:0B:5700:0B:57:00:00:00 – 00:0B:57:FF:FF:FF
• 00:3C:8400:3C:84:00:00:00 – 00:3C:84:FF:FF:FF
• 00:BE:4400:BE:44:00:00:00 – 00:BE:44:FF:FF:FF
• 04:0D:8404:0D:84:00:00:00 – 04:0D:84:FF:FF:FF
• 04:87:2704:87:27:00:00:00 – 04:87:27:FF:FF:FF
• 04:CD:1504:CD:15:00:00:00 – 04:CD:15:FF:FF:FF
• 04:E3:E504:E3:E5:00:00:00 – 04:E3:E5:FF:FF:FF
• 08:6B:D708:6B:D7:00:00:00 – 08:6B:D7:FF:FF:FF
• 08:B9:5F08:B9:5F:00:00:00 – 08:B9:5F:FF:FF:FF
• 08:DD:EB08:DD:EB:00:00:00 – 08:DD:EB:FF:FF:FF
• 08:FD:5208:FD:52:00:00:00 – 08:FD:52:FF:FF:FF
• 0C:2A:6F0C:2A:6F:00:00:00 – 0C:2A:6F:FF:FF:FF
• 0C:43:140C:43:14:00:00:00 – 0C:43:14:FF:FF:FF
• 0C:AE:5F0C:AE:5F:00:00:00 – 0C:AE:5F:FF:FF:FF
• 0C:EF:F60C:EF:F6:00:00:00 – 0C:EF:F6:FF:FF:FF
• 14:2D:4114:2D:41:00:00:00 – 14:2D:41:FF:FF:FF
• 14:B4:5714:B4:57:00:00:00 – 14:B4:57:FF:FF:FF
• 14:E1:C914:E1:C9:00:00:00 – 14:E1:C9:FF:FF:FF
• 18:0D:F918:0D:F9:00:00:00 – 18:0D:F9:FF:FF:FF
• 18:69:0A18:69:0A:00:00:00 – 18:69:0A:FF:FF:FF
• 18:7A:3E18:7A:3E:00:00:00 – 18:7A:3E:FF:FF:FF
• 18:DC:1218:DC:12:00:00:00 – 18:DC:12:FF:FF:FF
• 1C:34:F11C:34:F1:00:00:00 – 1C:34:F1:FF:FF:FF
• 1C:C0:891C:C0:89:00:00:00 – 1C:C0:89:FF:FF:FF
• 20:A7:1620:A7:16:00:00:00 – 20:A7:16:FF:FF:FF
• 24:4A:F824:4A:F8:00:00:00 – 24:4A:F8:FF:FF:FF
• 24:D6:6024:D6:60:00:00:00 – 24:D6:60:FF:FF:FF
• 28:68:4728:68:47:00:00:00 – 28:68:47:FF:FF:FF
• 28:76:8128:76:81:00:00:00 – 28:76:81:FF:FF:FF
• 28:DB:A728:DB:A7:00:00:00 – 28:DB:A7:FF:FF:FF
• 2C:11:652C:11:65:00:00:00 – 2C:11:65:FF:FF:FF
• 30:FB:1030:FB:10:00:00:00 – 30:FB:10:FF:FF:FF
• 34:10:F434:10:F4:00:00:00 – 34:10:F4:FF:FF:FF
• 34:25:B434:25:B4:00:00:00 – 34:25:B4:FF:FF:FF
• 34:8D:1334:8D:13:00:00:00 – 34:8D:13:FF:FF:FF
• 38:39:8F38:39:8F:00:00:00 – 38:39:8F:FF:FF:FF
• 38:5B:4438:5B:44:00:00:00 – 38:5B:44:FF:FF:FF
• 38:5C:FB38:5C:FB:00:00:00 – 38:5C:FB:FF:FF:FF
• 3C:2E:F53C:2E:F5:00:00:00 – 3C:2E:F5:FF:FF:FF
• 40:30:5940:30:59:00:00:00 – 40:30:59:FF:FF:FF
• 40:38:0240:38:02:00:00:00 – 40:38:02:FF:FF:FF
• 44:9F:DA44:9F:DA:00:00:00 – 44:9F:DA:FF:FF:FF
• 44:E2:F844:E2:F8:00:00:00 – 44:E2:F8:FF:FF:FF
• 4C:45:534C:45:53:00:00:00 – 4C:45:53:FF:FF:FF
• 4C:5B:B34C:5B:B3:00:00:00 – 4C:5B:B3:FF:FF:FF
• 4C:97:A14C:97:A1:00:00:00 – 4C:97:A1:FF:FF:FF
• 50:32:5F50:32:5F:00:00:00 – 50:32:5F:FF:FF:FF
• 54:0F:5754:0F:57:00:00:00 – 54:0F:57:FF:FF:FF
• 54:DC:E954:DC:E9:00:00:00 – 54:DC:E9:FF:FF:FF
• 54:F2:8354:F2:83:00:00:00 – 54:F2:83:FF:FF:FF
• 58:26:3A58:26:3A:00:00:00 – 58:26:3A:FF:FF:FF
• 58:3B:C258:3B:C2:00:00:00 – 58:3B:C2:FF:FF:FF
• 58:8C:CF58:8C:CF:00:00:00 – 58:8C:CF:FF:FF:FF
• 58:8E:8158:8E:81:00:00:00 – 58:8E:81:FF:FF:FF
• 5C:02:725C:02:72:00:00:00 – 5C:02:72:FF:FF:FF
• 5C:3A:A25C:3A:A2:00:00:00 – 5C:3A:A2:FF:FF:FF
• 5C:C7:C15C:C7:C1:00:00:00 – 5C:C7:C1:FF:FF:FF
• 60:83:DA60:83:DA:00:00:00 – 60:83:DA:FF:FF:FF
• 60:A4:2360:A4:23:00:00:00 – 60:A4:23:FF:FF:FF
• 60:B6:4760:B6:47:00:00:00 – 60:B6:47:FF:FF:FF
• 60:B7:6360:B7:63:00:00:00 – 60:B7:63:FF:FF:FF
• 60:D1:D860:D1:D8:00:00:00 – 60:D1:D8:FF:FF:FF
• 60:EF:AB60:EF:AB:00:00:00 – 60:EF:AB:FF:FF:FF
• 64:02:8F64:02:8F:00:00:00 – 64:02:8F:FF:FF:FF
• 68:0A:E268:0A:E2:00:00:00 – 68:0A:E2:FF:FF:FF
• 68:70:9E68:70:9E:00:00:00 – 68:70:9E:FF:FF:FF
• 6C:5C:B16C:5C:B1:00:00:00 – 6C:5C:B1:FF:FF:FF
• 6C:A0:426C:A0:42:00:00:00 – 6C:A0:42:FF:FF:FF
• 6C:E4:A46C:E4:A4:00:00:00 – 6C:E4:A4:FF:FF:FF
• 6C:FD:226C:FD:22:00:00:00 – 6C:FD:22:FF:FF:FF
• 70:54:6470:54:64:00:00:00 – 70:54:64:FF:FF:FF
• 70:AC:0870:AC:08:00:00:00 – 70:AC:08:FF:FF:FF
• 70:C5:9C70:C5:9C:00:00:00 – 70:C5:9C:FF:FF:FF
• 70:D0:7E70:D0:7E:00:00:00 – 70:D0:7E:FF:FF:FF
• 74:0B:1274:0B:12:00:00:00 – 74:0B:12:FF:FF:FF
• 78:1C:9D78:1C:9D:00:00:00 – 78:1C:9D:FF:FF:FF
• 7C:31:FA7C:31:FA:00:00:00 – 7C:31:FA:FF:FF:FF
• 7C:C6:B67C:C6:B6:00:00:00 – 7C:C6:B6:FF:FF:FF
• 80:4B:5080:4B:50:00:00:00 – 80:4B:50:FF:FF:FF
• 84:27:1284:27:12:00:00:00 – 84:27:12:FF:FF:FF
• 84:2E:1484:2E:14:00:00:00 – 84:2E:14:FF:FF:FF
• 84:71:2784:71:27:00:00:00 – 84:71:27:FF:FF:FF
• 84:B4:DB84:B4:DB:00:00:00 – 84:B4:DB:FF:FF:FF
• 84:BA:2084:BA:20:00:00:00 – 84:BA:20:FF:FF:FF
• 84:FD:2784:FD:27:00:00:00 – 84:FD:27:FF:FF:FF
• 88:0F:6288:0F:62:00:00:00 – 88:0F:62:FF:FF:FF
• 88:1A:1488:1A:14:00:00:00 – 88:1A:14:FF:FF:FF
• 88:BA:7488:BA:74:00:00:00 – 88:BA:74:FF:FF:FF
• 8C:65:A38C:65:A3:00:00:00 – 8C:65:A3:FF:FF:FF
• 8C:6F:B98C:6F:B9:00:00:00 – 8C:6F:B9:FF:FF:FF
• 8C:73:DA8C:73:DA:00:00:00 – 8C:73:DA:FF:FF:FF
• 8C:8B:488C:8B:48:00:00:00 – 8C:8B:48:FF:FF:FF
• 8C:F6:818C:F6:81:00:00:00 – 8C:F6:81:FF:FF:FF
• 90:1F:0990:1F:09:00:00:00 – 90:1F:09:FF:FF:FF
• 90:35:EA90:35:EA:00:00:00 – 90:35:EA:FF:FF:FF
• 90:39:5E90:39:5E:00:00:00 – 90:39:5E:FF:FF:FF
• 90:AB:9690:AB:96:00:00:00 – 90:AB:96:FF:FF:FF
• 90:FD:9F90:FD:9F:00:00:00 – 90:FD:9F:FF:FF:FF
• 94:34:6994:34:69:00:00:00 – 94:34:69:FF:FF:FF
• 94:A0:8194:A0:81:00:00:00 – 94:A0:81:FF:FF:FF
• 94:B2:1694:B2:16:00:00:00 – 94:B2:16:FF:FF:FF
• 94:DE:B894:DE:B8:00:00:00 – 94:DE:B8:FF:FF:FF
• 94:EC:3294:EC:32:00:00:00 – 94:EC:32:FF:FF:FF
• 98:0C:3398:0C:33:00:00:00 – 98:0C:33:FF:FF:FF
• 98:2A:C398:2A:C3:00:00:00 – 98:2A:C3:FF:FF:FF
• 98:32:6898:32:68:00:00:00 – 98:32:68:FF:FF:FF
• A4:59:BFA4:59:BF:00:00:00 – A4:59:BF:FF:FF:FF
• A4:6D:D4A4:6D:D4:00:00:00 – A4:6D:D4:FF:FF:FF
• A4:9E:69A4:9E:69:00:00:00 – A4:9E:69:FF:FF:FF
• B0:61:EBB0:61:EB:00:00:00 – B0:61:EB:FF:FF:FF
• B0:C7:DEB0:C7:DE:00:00:00 – B0:C7:DE:FF:FF:FF
• B0:E8:E8B0:E8:E8:00:00:00 – B0:E8:E8:FF:FF:FF
• B4:35:22B4:35:22:00:00:00 – B4:35:22:FF:FF:FF
• B4:3A:31B4:3A:31:00:00:00 – B4:3A:31:FF:FF:FF
• B4:89:31B4:89:31:00:00:00 – B4:89:31:FF:FF:FF
• B4:E3:F9B4:E3:F9:00:00:00 – B4:E3:F9:FF:FF:FF
• B8:97:34B8:97:34:00:00:00 – B8:97:34:FF:FF:FF
• BC:02:6EBC:02:6E:00:00:00 – BC:02:6E:FF:FF:FF
• BC:33:ACBC:33:AC:00:00:00 – BC:33:AC:FF:FF:FF
• BC:8D:7EBC:8D:7E:00:00:00 – BC:8D:7E:FF:FF:FF
• BC:93:2ABC:93:2A:00:00:00 – BC:93:2A:FF:FF:FF
• C0:2C:EDC0:2C:ED:00:00:00 – C0:2C:ED:FF:FF:FF
• C0:9B:9EC0:9B:9E:00:00:00 – C0:9B:9E:FF:FF:FF
• C4:D8:C8C4:D8:C8:00:00:00 – C4:D8:C8:FF:FF:FF
• CC:36:BBCC:36:BB:00:00:00 – CC:36:BB:FF:FF:FF
• CC:86:ECCC:86:EC:00:00:00 – CC:86:EC:FF:FF:FF
• CC:A3:0CCC:A3:0C:00:00:00 – CC:A3:0C:FF:FF:FF
• CC:CC:CCCC:CC:CC:00:00:00 – CC:CC:CC:FF:FF:FF
• D4:48:67D4:48:67:00:00:00 – D4:48:67:FF:FF:FF
• D4:4A:85D4:4A:85:00:00:00 – D4:4A:85:FF:FF:FF
• D4:FE:28D4:FE:28:00:00:00 – D4:FE:28:FF:FF:FF
• D8:78:F0D8:78:F0:00:00:00 – D8:78:F0:FF:FF:FF
• D8:7A:3BD8:7A:3B:00:00:00 – D8:7A:3B:FF:FF:FF
• DC:8E:95DC:8E:95:00:00:00 – DC:8E:95:FF:FF:FF
• E0:72:91E0:72:91:00:00:00 – E0:72:91:FF:FF:FF
• E0:79:8DE0:79:8D:00:00:00 – E0:79:8D:FF:FF:FF
• E4:06:BFE4:06:BF:00:00:00 – E4:06:BF:FF:FF:FF
• E4:0A:75E4:0A:75:00:00:00 – E4:0A:75:FF:FF:FF
• E4:56:ACE4:56:AC:00:00:00 – E4:56:AC:FF:FF:FF
• E8:E0:7EE8:E0:7E:00:00:00 – E8:E0:7E:FF:FF:FF
• EC:1B:BDEC:1B:BD:00:00:00 – EC:1B:BD:FF:FF:FF
• EC:F6:4CEC:F6:4C:00:00:00 – EC:F6:4C:FF:FF:FF
• F0:44:D3F0:44:D3:00:00:00 – F0:44:D3:FF:FF:FF
• F0:74:BFF0:74:BF:00:00:00 – F0:74:BF:FF:FF:FF
• F0:82:C0F0:82:C0:00:00:00 – F0:82:C0:FF:FF:FF
• F0:FD:45F0:FD:45:00:00:00 – F0:FD:45:FF:FF:FF
• F4:01:CCF4:01:CC:00:00:00 – F4:01:CC:FF:FF:FF
• F4:B3:B1F4:B3:B1:00:00:00 – F4:B3:B1:FF:FF:FF
• F8:44:77F8:44:77:00:00:00 – F8:44:77:FF:FF:FF
• F8:C3:62F8:C3:62:00:00:00 – F8:C3:62:FF:FF:FF
• FC:11:19FC:11:19:00:00:00 – FC:11:19:FF:FF:FF
• FC:4D:6AFC:4D:6A:00:00:00 – FC:4D:6A: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.