B4:3A:31 Silicon Laboratories
Every MAC address from B4:3A:31:00:00:00 to B4:3A:31:FF:FF:FF belongs to a block the IEEE assigned to Silicon Laboratories. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who B4:3A:31 belongs to
Written B4:3A:31, B4-3A-31 or B43A31, depending on the system. Look up a full address.
Prefix
B4:3A:31
Organization
Silicon Laboratories
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
B4:3A:31:00:00:00
Last address
B4:3A:31:FF:FF:FF
Address type
Globally unique, unicast
Registered address
400 West Cesar Chavez Austin TX US 78701
Same organization
Other blocks assigned to Silicon Laboratories
157 more blocks registered under the same name.
00:0B:5700:3C:8400:BE:4404:0D:8404:87:2704:CD:1504:E3:E508:6B:D708:B9:5F08:DD:EB08:FD:520C:2A:6F0C:43:140C:AE:5F0C:EF:F614:2D:4114:B4:5714:E1:C918:0D:F918:69:0A18:7A:3E18:DC:121C:34:F11C:C0:8920:A7:1624:1F:3A24:4A:F824:D6:6028:68:4728:76:8128:DB:A72C:11:6530:FB:1034:10:F434:25:B434:8D:1338:39:8F38:5B:4438:5C:FB3C:2E:F540:30:5940:38:0244:9F:DA44:E2:F84C:45:534C:5B:B34C:97:A150:32:5F54:0F:5754:DC:E954:F2:8358:26:3A58:3B:C258:8C:CF58:8E:815C:02:725C:3A:A25C:C7:C160:83:DA60:A4:2360:B6:4760:B7:6360:D1:D860:EF:AB64:02:8F68:0A:E268:70:9E6C:5C:B16C:A0:426C:E4:A46C:FD:2270:54:6470:AC:0870:C5:9C70:D0:7E74:0B:1278:1C:9D7C:31:FA7C:C6:B680:4B:5084:27:1284:2E:1484:71:2784:B4:DB84:BA:2084:FD:2788:0F:6288:1A:1488:BA:748C:65:A38C:6F:B98C:73:DA8C:8B:488C:F6:8190:1F:0990:35:EA90:39:5E90:AB:9690:FD:9F94:34:6994:A0:8194:B2:1694:DE:B894:EC:3298:0C:3398:2A:C398:32:689C:64:A1A4:59:BFA4:6D:D4A4:9E:69A4:CC:37B0:61:EBB0:C7:DEB0:E8:E8B4:35:22B4:89:31B4:E3:F9B8:97:34BC:02:6EBC:33:ACBC:8D:7EBC:93:2AC0:2C:EDC0:9B:9EC0:B5:DDC4:D8:C8CC:36:BBCC:86:ECCC:A3:0CCC:A8:23CC:CC:CCD4:48:67D4:4A:85D4:FE:28D8:78:F0D8:7A:3BDC:8E:95E0:72:91E0:79:8DE0:BF:0BE4:06:BFE4:0A:75E4:56:ACE8:E0:7EEC:1B:BDEC:F6:4CF0:44:D3F0:74:BFF0:82:C0F0:FD:45F4:01:CCF4:B3:B1F8:44:77F8:C3:62FC:11:19FC:4D:6A