Espressif Inc.

Espressif Inc. accessible at espressif.com, manages 222 unique MAC address prefixes. These prefixes are part of a massive allocation with a total block size of 3.7 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 11 March 2013, and the most recent update was made on 23 January 2025. These allocations support network identification and communication globally.

Unique prefixes: 222

Block Size: 3724541730 (3.72 G)

espressif.com

First registration: 11 March 2013

Last updated: 23 January 2025

Types

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

MAC PrefixTypeRegistration Date
04:83:08 MA-L2024-10-29
08:3A:8D MA-L2022-07-27
08:3A:F2 MA-L2020-06-04
08:A6:F7 MA-L2024-02-27
08:B6:1F MA-L2022-04-21
08:D1:F9 MA-L2023-04-24
08:F9:E0 MA-L2023-02-23
0C:8B:95 MA-L2022-01-20
0C:B8:15 MA-L2021-11-18
0C:DC:7E MA-L2020-05-14
10:00:3B MA-L2024-10-16
10:06:1C MA-L2023-06-30
10:51:DB MA-L2025-01-23
10:52:1C MA-L2019-11-23
10:91:A8 MA-L2021-09-28
10:97:BD MA-L2021-08-20
14:2B:2F MA-L2023-12-14
14:33:5C MA-L2024-12-30
18:8B:0E MA-L2023-12-28
18:FE:34 MA-L2013-03-11
1C:69:20 MA-L2024-03-18
1C:9D:C2 MA-L2021-06-04
20:43:A8 MA-L2024-08-13
24:0A:C4 MA-L2016-05-23
24:4C:AB MA-L2021-11-24
24:58:7C MA-L2023-12-08
24:62:AB MA-L2019-02-25
24:6F:28 MA-L2019-01-09
24:A1:60 MA-L2020-05-14
24:B2:DE MA-L2017-04-18
24:D7:EB MA-L2021-06-22
24:DC:C3 MA-L2023-02-23
24:EC:4A MA-L2024-03-18
28:37:2F MA-L2024-09-27
2C:3A:E8 MA-L2017-02-21
2C:BC:BB MA-L2024-03-06
2C:F4:32 MA-L2018-12-01
30:30:F9 MA-L2023-06-15
30:83:98 MA-L2021-02-03
30:AE:A4 MA-L2016-08-12
30:C6:F7 MA-L2021-08-13
30:C9:22 MA-L2023-08-23
30:ED:A0 MA-L2024-09-27
34:5F:45 MA-L2024-03-22
34:85:18 MA-L2022-04-14
34:86:5D MA-L2021-02-03
34:94:54 MA-L2021-09-22
34:98:7A MA-L2022-11-28
34:AB:95 MA-L2021-01-28
34:B4:72 MA-L2021-05-11
34:B7:DA MA-L2023-04-24
34:CD:B0 MA-L2024-05-10
38:18:2B MA-L2024-11-22
3C:61:05 MA-L2020-09-17
3C:71:BF MA-L2018-04-22
3C:84:27 MA-L2023-09-20
3C:8A:1F MA-L2024-08-13
3C:E9:0E MA-L2022-04-08
40:22:D8 MA-L2022-04-21
40:4C:CA MA-L2022-12-07
40:91:51 MA-L2021-06-11
40:F5:20 MA-L2020-01-23
44:17:93 MA-L2021-05-29
48:27:E2 MA-L2022-04-14
48:31:B7 MA-L2023-02-16
48:3F:DA MA-L2019-11-23
48:55:19 MA-L2021-08-13
48:CA:43 MA-L2023-12-28
48:E7:29 MA-L2022-07-27
4C:11:AE MA-L2019-01-23
4C:75:25 MA-L2020-11-01
4C:EB:D6 MA-L2021-06-22
50:02:91 MA-L2019-05-10
54:32:04 MA-L2023-02-16
54:43:B2 MA-L2022-01-27
54:5A:A6 MA-L2015-12-03
58:8C:81 MA-L2024-11-22
58:BF:25 MA-L2021-06-04
58:CF:79 MA-L2021-10-05
5C:01:3B MA-L2024-09-11
5C:CF:7F MA-L2015-11-17
60:01:94 MA-L2015-11-17
60:55:F9 MA-L2020-11-01
64:B7:08 MA-L2022-12-07
64:E8:33 MA-L2022-08-04
68:25:DD MA-L2025-01-23
68:67:25 MA-L2021-08-20
68:B6:B3 MA-L2022-01-22
68:C6:3A MA-L2017-07-01
6C:B4:56 MA-L2023-06-22
70:03:9F MA-L2020-02-21
70:04:1D MA-L2021-11-30
70:B8:F6 MA-L2021-10-05
74:4D:BD MA-L2023-06-30
78:21:84 MA-L2021-09-22
78:42:1C MA-L2024-08-26
78:E3:6D MA-L2021-01-28
78:EE:4C MA-L2024-04-29
7C:2C:67 MA-L2024-05-03
7C:73:98 MA-L2023-06-22
7C:87:CE MA-L2021-04-20
7C:9E:BD MA-L2020-01-23
7C:DF:A1 MA-L2019-12-04
80:64:6F MA-L2022-05-11
80:65:99 MA-L2023-09-20
80:7D:3A MA-L2018-08-16
84:0D:8E MA-L2018-01-28
84:CC:A8 MA-L2020-02-27
84:F3:EB MA-L2018-01-28
84:F7:03 MA-L2021-04-29
84:FC:E6 MA-L2022-08-11
88:13:BF MA-L2024-03-22
8C:4B:14 MA-L2021-06-11
8C:4F:00 MA-L2024-07-23
8C:AA:B5 MA-L2019-10-17
8C:BF:EA MA-L2024-07-03
8C:CE:4E MA-L2020-08-01
90:15:06 MA-L2024-04-29
90:38:0C MA-L2021-08-05
90:97:D5 MA-L2015-11-17
94:3C:C6 MA-L2021-01-22
94:54:C5 MA-L2024-06-10
94:A9:90 MA-L2024-10-16
94:B5:55 MA-L2021-11-30
94:B9:7E MA-L2020-08-01
94:E6:86 MA-L2021-11-24
98:3D:AE MA-L2024-06-19
98:88:E0 MA-L2024-12-30
98:CD:AC MA-L2021-01-15
98:F4:AB MA-L2019-07-02
9C:9C:1F MA-L2020-11-12
9C:9E:6E MA-L2024-03-12
A0:20:A6 MA-L2016-04-01
A0:76:4E MA-L2020-07-23
A0:85:E3 MA-L2024-07-12
A0:A3:B3 MA-L2022-11-28
A0:B7:65 MA-L2022-03-15
A0:DD:6C MA-L2023-12-14
A4:7B:9D MA-L2017-04-18
A4:CF:12 MA-L2018-12-08
A4:E5:7C MA-L2020-11-12
A8:03:2A MA-L2020-06-04
A8:42:E3 MA-L2022-04-08
A8:48:FA MA-L2021-04-20
AC:0B:FB MA-L2021-05-11
AC:15:18 MA-L2024-02-27
AC:67:B2 MA-L2020-02-21
AC:D0:74 MA-L2014-10-25
B0:81:84 MA-L2024-06-19
B0:A7:32 MA-L2022-12-14
B0:B2:1C MA-L2022-12-14
B4:3A:45 MA-L2024-10-29
B4:8A:0A MA-L2022-04-01
B4:E6:2D MA-L2017-10-11
B8:D6:1A MA-L2022-01-20
B8:F0:09 MA-L2020-02-27
BC:DD:C2 MA-L2017-12-11
BC:FF:4D MA-L2021-01-22
C0:49:EF MA-L2021-12-07
C0:4E:30 MA-L2022-04-01
C0:5D:89 MA-L2024-05-10
C4:4F:33 MA-L2018-06-13
C4:5B:BE MA-L2021-01-15
C4:D8:D5 MA-L2023-12-21
C4:DD:57 MA-L2020-07-23
C4:DE:E2 MA-L2022-01-22
C8:2B:96 MA-L2019-05-20
C8:2E:18 MA-L2023-06-08
C8:C9:A3 MA-L2021-05-29
C8:F0:9E MA-L2022-02-02
CC:50:E3 MA-L2018-03-02
CC:7B:5C MA-L2023-11-10
CC:8D:A2 MA-L2023-12-08
CC:BA:97 MA-L2024-08-26
CC:DB:A7 MA-L2022-03-15
D0:EF:76 MA-L2023-12-21
D4:8A:FC MA-L2023-06-02
D4:8C:49 MA-L2024-07-03
D4:D4:DA MA-L2022-08-11
D4:F9:8D MA-L2021-09-28
D8:13:2A MA-L2023-08-23
D8:3B:DA MA-L2024-05-03
D8:A0:1D MA-L2017-05-24
D8:BC:38 MA-L2023-04-14
D8:BF:C0 MA-L2019-07-02
D8:F1:5B MA-L2019-03-07
DC:06:75 MA-L2024-09-04
DC:1E:D5 MA-L2024-09-04
DC:4F:22 MA-L2017-08-20
DC:54:75 MA-L2022-02-02
DC:DA:0C MA-L2023-06-15
E0:5A:1B MA-L2022-05-11
E0:98:06 MA-L2019-09-11
E0:E2:E6 MA-L2020-09-05
E4:65:B8 MA-L2023-06-02
E4:B0:63 MA-L2024-03-12
E4:B3:23 MA-L2024-07-23
E8:06:90 MA-L2024-03-28
E8:31:CD MA-L2021-11-18
E8:68:E7 MA-L2020-09-17
E8:6B:EA MA-L2023-06-08
E8:9F:6D MA-L2021-08-05
E8:DB:84 MA-L2020-09-05
EC:62:60 MA-L2022-01-27
EC:64:C9 MA-L2023-11-02
EC:94:CB MA-L2021-04-29
EC:C9:FF MA-L2024-03-06
EC:DA:3B MA-L2022-08-04
EC:E3:34 MA-L2024-12-17
EC:FA:BC MA-L2017-08-04
F0:08:D1 MA-L2019-12-04
F0:24:F9 MA-L2024-06-10
F0:9E:9E MA-L2024-03-28
F0:F5:BD MA-L2023-11-02
F4:12:FA MA-L2021-12-07
F4:65:0B MA-L2024-09-11
F4:CF:A2 MA-L2019-09-11
F8:B3:B7 MA-L2024-07-12
FC:01:2C MA-L2024-12-17
FC:B4:67 MA-L2023-04-14
FC:E8:C0 MA-L2023-11-10
FC:F5:C4 MA-L2019-10-17