Silicon Laboratories

Silicon Laboratories , manages 128 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 2.1 billion addresses.

The allocation includes the following types: MA-L (Mac Address Block Large, ~16 million addresses each).

The company registered its MAC address allocation on 14 October 2002, and the most recent update was made on 05 December 2025. These allocations support network identification and communication globally.

Unique prefixes: 128

Block Size: 2147483520 (2.14 G)

First registration: 14 October 2002

Last updated: 05 December 2025

Types

MA-L:Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

MAC PrefixTypeRegistration Date
00:0B:57 MA-L2002-10-14
00:3C:84 MA-L2021-09-01
00:BE:44 MA-L2024-10-15
04:0D:84 MA-L2021-09-30
04:87:27 MA-L2023-03-15
04:CD:15 MA-L2021-06-26
04:E3:E5 MA-L2024-09-13
08:6B:D7 MA-L2018-08-16
08:B9:5F MA-L2024-08-13
08:DD:EB MA-L2024-01-10
08:FD:52 MA-L2025-03-28
0C:2A:6F MA-L2024-05-08
0C:43:14 MA-L2021-03-10
0C:AE:5F MA-L2023-05-11
0C:EF:F6 MA-L2023-07-11
14:2D:41 MA-L2023-02-16
14:B4:57 MA-L2018-12-22
18:0D:F9 MA-L2025-03-28
18:69:0A MA-L2025-08-21
18:7A:3E MA-L2022-04-15
1C:34:F1 MA-L2021-11-06
1C:C0:89 MA-L2024-08-13
20:A7:16 MA-L2025-05-20
28:68:47 MA-L2024-02-16
28:76:81 MA-L2022-09-21
28:DB:A7 MA-L2023-06-15
2C:11:65 MA-L2021-05-01
30:FB:10 MA-L2022-09-21
34:10:F4 MA-L2023-03-15
34:25:B4 MA-L2022-06-14
34:8D:13 MA-L2025-02-28
38:39:8F MA-L2023-05-11
38:5B:44 MA-L2021-12-16
38:5C:FB MA-L2022-04-15
3C:2E:F5 MA-L2023-02-16
40:30:59 MA-L2024-02-16
40:38:02 MA-L2025-11-19
44:9F:DA MA-L2025-06-17
44:E2:F8 MA-L2023-11-14
4C:5B:B3 MA-L2022-07-12
4C:97:A1 MA-L2024-05-08
50:32:5F MA-L2021-04-05
54:0F:57 MA-L2021-08-17
54:DC:E9 MA-L2025-01-23
58:26:3A MA-L2025-02-24
58:3B:C2 MA-L2023-10-19
58:8E:81 MA-L2019-10-24
5C:02:72 MA-L2020-07-06
5C:3A:A2 MA-L2025-12-05
5C:C7:C1 MA-L2022-08-27
60:A4:23 MA-L2020-04-23
60:B6:47 MA-L2022-10-18
60:B7:63 MA-L2025-10-06
60:EF:AB MA-L2022-11-12
64:02:8F MA-L2024-12-04
68:0A:E2 MA-L2019-08-28
6C:5C:B1 MA-L2022-07-12
6C:A0:42 MA-L2025-10-06
6C:E4:A4 MA-L2025-09-12
6C:FD:22 MA-L2024-03-27
70:54:64 MA-L2022-12-07
70:AC:08 MA-L2022-03-17
70:C5:9C MA-L2024-06-03
70:D0:7E MA-L2025-11-04
78:1C:9D MA-L2024-12-04
7C:31:FA MA-L2025-06-20
7C:C6:B6 MA-L2023-08-22
80:4B:50 MA-L2020-10-21
84:27:12 MA-L2023-06-15
84:2E:14 MA-L2019-12-12
84:71:27 MA-L2020-09-01
84:B4:DB MA-L2021-11-06
84:BA:20 MA-L2021-09-01
84:FD:27 MA-L2020-12-04
88:0F:62 MA-L2024-12-18
88:1A:14 MA-L2023-07-11
8C:65:A3 MA-L2023-11-14
8C:6F:B9 MA-L2022-12-07
8C:73:DA MA-L2025-07-31
8C:8B:48 MA-L2024-10-15
8C:F6:81 MA-L2021-06-01
90:1F:09 MA-L2025-12-05
90:35:EA MA-L2021-07-21
90:39:5E MA-L2022-08-27
90:AB:96 MA-L2022-10-18
90:FD:9F MA-L2017-07-01
94:34:69 MA-L2021-12-16
94:A0:81 MA-L2024-11-15
94:B2:16 MA-L2023-08-22
94:DE:B8 MA-L2021-09-30
94:EC:32 MA-L2024-07-08
98:0C:33 MA-L2022-11-12
98:32:68 MA-L2025-06-20
A4:6D:D4 MA-L2022-12-30
A4:9E:69 MA-L2022-05-20
B0:C7:DE MA-L2023-04-11
B0:E8:E8 MA-L2025-09-12
B4:35:22 MA-L2022-08-01
B4:3A:31 MA-L2022-05-20
B4:89:31 MA-L2025-06-17
B4:E3:F9 MA-L2021-02-09
BC:02:6E MA-L2022-08-01
BC:33:AC MA-L2020-03-05
BC:8D:7E MA-L2025-01-23
C0:2C:ED MA-L2024-11-15
C0:9B:9E MA-L2025-05-20
C4:D8:C8 MA-L2024-07-08
CC:36:BB MA-L2025-11-19
CC:86:EC MA-L2021-01-09
CC:CC:CC MA-L2019-05-03
D4:48:67 MA-L2024-01-10
D4:FE:28 MA-L2025-02-24
D8:78:F0 MA-L2025-11-04
D8:7A:3B MA-L2022-12-30
DC:8E:95 MA-L2022-01-26
E0:79:8D MA-L2022-01-26
E4:06:BF MA-L2024-06-03
E4:56:AC MA-L2025-07-31
E8:E0:7E MA-L2023-04-11
EC:1B:BD MA-L2019-07-11
EC:F6:4C MA-L2023-10-19
F0:44:D3 MA-L2025-08-21
F0:74:BF MA-L2024-12-18
F0:82:C0 MA-L2022-06-14
F0:FD:45 MA-L2025-02-28
F4:B3:B1 MA-L2022-03-17
F8:44:77 MA-L2024-03-27
FC:4D:6A MA-L2024-09-13