MC
IEEE Registrant 108 Prefixes

Microsoft Corporation

www.microsoft.com

Microsoft Corporation, accessible at www.microsoft.com, manages 108 unique MAC address prefixes. These prefixes have a total block size of 1.8 billion addresses.

The allocation includes the following types: CID(Company Identifier, not for globally unique applications) and MA-L(MAC Address Block Large, 16,777,216 addresses each).

The company registered its MAC address allocation on 09 November 2000, and the most recent update was made on 07 October 2026. These allocations support network identification and communication globally.

Unique prefixes 108
Block Size 1811939220 (1.81 G)
First registration 09 November 2000
Last updated 07 October 2026

Entity Details

Unique prefixes 108
Block Size 1811939220 (1.81 G)
Website www.microsoft.com
First registration 09 November 2000
Last updated 07 October 2026

Types

CID: Block Type

Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)

MA-L: Block Type

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

Registered MAC Prefixes

All Organizationally Unique Identifiers and MAC ranges assigned to this vendor

108 Records
MAC PrefixTypeRegistration Date
00:03:FF MA-L2000-11-09
00:12:5A MA-L2004-09-12
00:15:5D MA-L2005-08-04
00:17:FA MA-L2006-04-15
00:1D:D8 MA-L2007-09-29
00:22:48 MA-L2008-10-25
00:25:AE MA-L2010-01-05
04:27:28 MA-L2021-02-05
08:35:7D MA-L2026-02-13
0C:1B:7B MA-L2026-07-02
0C:35:26 MA-L2022-10-11
0C:41:3E MA-L2015-11-17
0C:E7:25 MA-L2015-11-17
10:2F:6B MA-L2014-07-13
10:7A:2A MA-L2026-05-07
10:C7:35 MA-L2024-12-02
14:9A:10 MA-L2015-11-17
14:CB:65 MA-L2021-09-13
1C:1A:DF MA-L2019-08-21
1C:8F:0C MA-L2026-10-07
20:16:42 MA-L2022-07-27
20:62:74 MA-L2014-10-25
20:A9:9B MA-L2014-05-27
28:16:A8 MA-L2018-01-28
28:18:78 MA-L2013-01-16
28:EA:0B MA-L2022-12-21
2C:29:97 MA-L2014-08-20
2C:54:91 MA-L2017-08-11
38:33:C5 MA-L2025-10-29
38:56:3D MA-L2021-07-27
3C:83:75 MA-L2015-11-17
3C:FA:06 MA-L2022-09-02
40:12:77 MA-L2026-04-10
40:8E:2C MA-L2023-02-01
44:16:22 MA-L2020-05-07
48:50:73 MA-L2015-11-17
48:7B:2F MA-L2025-03-03
48:86:E8 MA-L2014-09-21
4C:3B:DF MA-L2020-08-18
54:4C:8A MA-L2023-03-24
58:79:61 MA-L2025-05-16
5C:BA:37 MA-L2016-10-12
68:6C:E6 MA-L2022-06-16
68:F7:D8 MA-L2025-07-09
6C:15:44 MA-L2023-07-26
6C:5D:3A MA-L2019-11-22
70:A8:A5 MA-L2025-11-21
70:BC:10 MA-L2018-10-13
70:F8:AE MA-L2022-11-01
74:76:1F MA-L2024-12-02
74:C4:12 MA-L2025-04-16
74:D8:09 MA-L2026-05-07
74:E2:8C MA-L2015-11-17
74:E5:17 MA-L2026-10-07
78:86:2E MA-L2025-01-28
7C:6D:12 MA-L2025-12-04
7C:C0:AA MA-L2023-10-19
80:C5:E6 MA-L2015-11-17
84:57:33 MA-L2019-04-10
84:63:D6 MA-L2014-09-07
84:B1:E2 MA-L2023-11-02
90:20:D7 MA-L2025-12-30
90:6A:EB MA-L2022-04-22
94:9A:A9 MA-L2016-06-11
98:5F:D3 MA-L2015-11-17
98:7A:14 MA-L2019-04-08
9C:6C:15 MA-L2014-11-11
9C:AA:1B MA-L2018-06-02
A0:4A:5E MA-L2021-01-15
A0:85:FC MA-L2020-07-08
A8:8C:3E MA-L2021-10-12
AC:8E:BD MA-L2024-04-10
B8:31:B5 MA-L2018-07-22
B8:4F:D5 MA-L2014-07-13
B8:5C:5C MA-L2024-02-15
B8:BA:66 MA-L2025-12-30
BC:83:85 MA-L2016-09-03
C0:D6:D5 MA-L2024-09-23
C4:61:C7 MA-L2022-06-25
C4:9D:ED MA-L2017-01-07
C4:C0:0A MA-L2026-06-22
C4:CB:76 MA-L2023-09-20
C8:3F:26 MA-L2016-02-10
C8:96:65 MA-L2021-06-11
CA:12:5C CID2017-09-13
CC:0D:CB MA-L2025-08-27
CC:60:C8 MA-L2021-12-24
CC:76:45 MA-L2025-11-21
CC:AA:00 MA-L2026-08-03
CC:B0:B3 MA-L2024-07-03
D0:92:9E MA-L2014-09-30
D4:8F:33 MA-L2014-07-13
D8:E2:DF MA-L2022-01-11
DC:98:40 MA-L2020-01-10
E4:2A:AC MA-L2021-04-09
E4:FA:DE MA-L2026-04-10
E4:FB:1E MA-L2026-03-06
E4:FE:D4 MA-L2026-08-27
E8:A7:2F MA-L2021-09-11
E8:F6:73 MA-L2024-07-05
EC:46:84 MA-L2025-09-02
EC:59:E7 MA-L2014-08-20
EC:83:50 MA-L2017-08-20
F0:1D:BC MA-L2016-09-22
F0:6E:0B MA-L2017-07-23
F4:6A:D7 MA-L2020-12-29
F8:A9:86 MA-L2026-08-27
FC:8C:11 MA-L2023-06-02