MAC Address Lookup
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Silicon Laboratories MAC address blocks

The IEEE registry carries 158 blocks registered to Silicon Laboratories, together 2.7 billion addresses, first observed 14 Oct 2002, most recently 26 Sep 2026.

Registered in US.

Prefix Block Addresses Country First registered
00:0B:57MA-L16.8 millionUS14 Oct 2002
00:3C:84MA-L16.8 millionUS2 Sep 2021
00:BE:44MA-L16.8 millionUS16 Oct 2024
04:0D:84MA-L16.8 millionUS30 Sep 2021
04:87:27MA-L16.8 millionUS16 Mar 2023
04:CD:15MA-L16.8 millionUS26 Jun 2021
04:E3:E5MA-L16.8 millionUS14 Sep 2024
08:6B:D7MA-L16.8 millionUS19 Aug 2018
08:B9:5FMA-L16.8 millionUS14 Aug 2024
08:DD:EBMA-L16.8 millionUS11 Jan 2024
08:FD:52MA-L16.8 millionUS29 Mar 2025
0C:2A:6FMA-L16.8 millionUS9 May 2024
0C:43:14MA-L16.8 millionUS11 Mar 2021
0C:AE:5FMA-L16.8 millionUS12 May 2023
0C:EF:F6MA-L16.8 millionUS12 Jul 2023
14:2D:41MA-L16.8 millionUS17 Feb 2023
14:B4:57MA-L16.8 millionUS21 Dec 2018
14:E1:C9MA-L16.8 millionUS18 Jul 2026
18:0D:F9MA-L16.8 millionUS29 Mar 2025
18:69:0AMA-L16.8 millionUS22 Aug 2025
18:7A:3EMA-L16.8 millionUS16 Apr 2022
18:DC:12MA-L16.8 millionUS17 Mar 2026
1C:34:F1MA-L16.8 millionUS7 Nov 2021
1C:C0:89MA-L16.8 millionUS14 Aug 2024
20:A7:16MA-L16.8 millionUS21 May 2025
24:1F:3AMA-L16.8 millionUS4 Sep 2026
24:4A:F8MA-L16.8 millionUS18 Jul 2026
24:D6:60MA-L16.8 millionUS10 Feb 2026
28:68:47MA-L16.8 millionUS16 Feb 2024
28:76:81MA-L16.8 millionUS21 Sep 2022
28:DB:A7MA-L16.8 millionUS15 Jun 2023
2C:11:65MA-L16.8 millionUS2 May 2021
30:FB:10MA-L16.8 millionUS21 Sep 2022
34:10:F4MA-L16.8 millionUS16 Mar 2023
34:25:B4MA-L16.8 millionUS14 Jun 2022
34:8D:13MA-L16.8 millionUS1 Mar 2025
38:39:8FMA-L16.8 millionUS12 May 2023
38:5B:44MA-L16.8 millionUS15 Dec 2021
38:5C:FBMA-L16.8 millionUS16 Apr 2022
3C:2E:F5MA-L16.8 millionUS17 Feb 2023
40:30:59MA-L16.8 millionUS16 Feb 2024
40:38:02MA-L16.8 millionUS20 Nov 2025
44:9F:DAMA-L16.8 millionUS18 Jun 2025
44:E2:F8MA-L16.8 millionUS14 Nov 2023
4C:45:53MA-L16.8 millionUS16 Jun 2026
4C:5B:B3MA-L16.8 millionUS13 Jul 2022
4C:97:A1MA-L16.8 millionUS9 May 2024
50:32:5FMA-L16.8 millionUS7 Apr 2021
54:0F:57MA-L16.8 millionUS18 Aug 2021
54:DC:E9MA-L16.8 millionUS24 Jan 2025
54:F2:83MA-L16.8 millionUS19 May 2026
58:26:3AMA-L16.8 millionUS25 Feb 2025
58:3B:C2MA-L16.8 millionUS20 Oct 2023
58:8C:CFMA-L16.8 millionUS10 Feb 2026
58:8E:81MA-L16.8 millionUS25 Oct 2019
5C:02:72MA-L16.8 millionUS8 Jul 2020
5C:3A:A2MA-L16.8 millionUS5 Dec 2025
5C:C7:C1MA-L16.8 millionUS27 Aug 2022
60:83:DAMA-L16.8 millionUS11 Dec 2025
60:A4:23MA-L16.8 millionUS24 Apr 2020
60:B6:47MA-L16.8 millionUS20 Oct 2022
60:B7:63MA-L16.8 millionUS7 Oct 2025
60:D1:D8MA-L16.8 millionUS30 Jun 2026
60:EF:ABMA-L16.8 millionUS13 Nov 2022
64:02:8FMA-L16.8 millionUS5 Dec 2024
68:0A:E2MA-L16.8 millionUS28 Aug 2019
68:70:9EMA-L16.8 millionUS15 Apr 2026
6C:5C:B1MA-L16.8 millionUS13 Jul 2022
6C:A0:42MA-L16.8 millionUS7 Oct 2025
6C:E4:A4MA-L16.8 millionUS13 Sep 2025
6C:FD:22MA-L16.8 millionUS28 Mar 2024
70:54:64MA-L16.8 millionUS7 Dec 2022
70:AC:08MA-L16.8 millionUS19 Mar 2022
70:C5:9CMA-L16.8 millionUS4 Jun 2024
70:D0:7EMA-L16.8 millionUS4 Nov 2025
74:0B:12MA-L16.8 millionUS30 Jun 2026
78:1C:9DMA-L16.8 millionUS5 Dec 2024
7C:31:FAMA-L16.8 millionUS21 Jun 2025
7C:C6:B6MA-L16.8 millionUS23 Aug 2023
80:4B:50MA-L16.8 millionUS22 Oct 2020
84:27:12MA-L16.8 millionUS15 Jun 2023
84:2E:14MA-L16.8 millionUS13 Dec 2019
84:71:27MA-L16.8 millionUS1 Sep 2020
84:B4:DBMA-L16.8 millionUS7 Nov 2021
84:BA:20MA-L16.8 millionUS2 Sep 2021
84:FD:27MA-L16.8 millionUS5 Dec 2020
88:0F:62MA-L16.8 millionUS19 Dec 2024
88:1A:14MA-L16.8 millionUS12 Jul 2023
88:BA:74MA-L16.8 millionUS27 Jan 2026
8C:65:A3MA-L16.8 millionUS14 Nov 2023
8C:6F:B9MA-L16.8 millionUS7 Dec 2022
8C:73:DAMA-L16.8 millionUS31 Jul 2025
8C:8B:48MA-L16.8 millionUS16 Oct 2024
8C:F6:81MA-L16.8 millionUS2 Jun 2021
90:1F:09MA-L16.8 millionUS5 Dec 2025
90:35:EAMA-L16.8 millionUS21 Jul 2021
90:39:5EMA-L16.8 millionUS27 Aug 2022
90:AB:96MA-L16.8 millionUS20 Oct 2022
90:FD:9FMA-L16.8 millionUS21 Jun 2017
94:34:69MA-L16.8 millionUS15 Dec 2021
94:A0:81MA-L16.8 millionUS16 Nov 2024
94:B2:16MA-L16.8 millionUS23 Aug 2023
94:DE:B8MA-L16.8 millionUS30 Sep 2021
94:EC:32MA-L16.8 millionUS9 Jul 2024
98:0C:33MA-L16.8 millionUS13 Nov 2022
98:2A:C3MA-L16.8 millionUS16 Jun 2026
98:32:68MA-L16.8 millionUS21 Jun 2025
9C:64:A1MA-L16.8 millionUS18 Aug 2026
A4:59:BFMA-L16.8 millionUS27 Jan 2026
A4:6D:D4MA-L16.8 millionUS31 Dec 2022
A4:9E:69MA-L16.8 millionUS21 May 2022
A4:CC:37MA-L16.8 millionUS26 Sep 2026
B0:61:EBMA-L16.8 millionUS29 Jul 2026
B0:C7:DEMA-L16.8 millionUS11 Apr 2023
B0:E8:E8MA-L16.8 millionUS13 Sep 2025
B4:35:22MA-L16.8 millionUS3 Aug 2022
B4:3A:31MA-L16.8 millionUS21 May 2022
B4:89:31MA-L16.8 millionUS18 Jun 2025
B4:E3:F9MA-L16.8 millionUS10 Feb 2021
B8:97:34MA-L16.8 millionUS17 Mar 2026
BC:02:6EMA-L16.8 millionUS3 Aug 2022
BC:33:ACMA-L16.8 millionUS5 Mar 2020
BC:8D:7EMA-L16.8 millionUS24 Jan 2025
BC:93:2AMA-L16.8 millionUS15 Apr 2026
C0:2C:EDMA-L16.8 millionUS16 Nov 2024
C0:9B:9EMA-L16.8 millionUS21 May 2025
C0:B5:DDMA-L16.8 millionUS4 Sep 2026
C4:D8:C8MA-L16.8 millionUS9 Jul 2024
CC:36:BBMA-L16.8 millionUS20 Nov 2025
CC:86:ECMA-L16.8 millionUS10 Jan 2021
CC:A3:0CMA-L16.8 millionUS28 Apr 2026
CC:A8:23MA-L16.8 millionUS18 Aug 2026
CC:CC:CCMA-L16.8 millionUS4 May 2019
D4:48:67MA-L16.8 millionUS11 Jan 2024
D4:4A:85MA-L16.8 millionUS5 Mar 2026
D4:FE:28MA-L16.8 millionUS25 Feb 2025
D8:78:F0MA-L16.8 millionUS4 Nov 2025
D8:7A:3BMA-L16.8 millionUS31 Dec 2022
DC:8E:95MA-L16.8 millionUS27 Jan 2022
E0:72:91MA-L16.8 millionUS11 Dec 2025
E0:79:8DMA-L16.8 millionUS27 Jan 2022
E0:BF:0BMA-L16.8 millionUS26 Sep 2026
E4:06:BFMA-L16.8 millionUS4 Jun 2024
E4:0A:75MA-L16.8 millionUS5 Mar 2026
E4:56:ACMA-L16.8 millionUS31 Jul 2025
E8:E0:7EMA-L16.8 millionUS11 Apr 2023
EC:1B:BDMA-L16.8 millionUS11 Jul 2019
EC:F6:4CMA-L16.8 millionUS20 Oct 2023
F0:44:D3MA-L16.8 millionUS22 Aug 2025
F0:74:BFMA-L16.8 millionUS19 Dec 2024
F0:82:C0MA-L16.8 millionUS14 Jun 2022
F0:FD:45MA-L16.8 millionUS1 Mar 2025
F4:01:CCMA-L16.8 millionUS28 Apr 2026
F4:B3:B1MA-L16.8 millionUS19 Mar 2022
F8:44:77MA-L16.8 millionUS28 Mar 2024
F8:C3:62MA-L16.8 millionUS29 Jul 2026
FC:11:19MA-L16.8 millionUS19 May 2026
FC:4D:6AMA-L16.8 millionUS14 Sep 2024

Every block registered to Silicon Laboratories in the IEEE registries, complete. Free-text search also matches former owners.

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.