ES
IEEE Registrant 21 Prefixes

Espressif Systems (Singapore) Pte. Ltd

Espressif Systems (Singapore) Pte. Ltd manages 21 unique MAC address prefixes. These prefixes have a total block size of 352.3 million addresses.

The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each).

The company registered its MAC address allocation on 17 June 2026, and the most recent update was made on 05 November 2026. These allocations support network identification and communication globally.

Unique prefixes 21
Block Size 352321515 (352.32 M)
First registration 17 June 2026
Last updated 05 November 2026

Entity Details

Unique prefixes 21
Block Size 352321515 (352.32 M)
First registration 17 June 2026
Last updated 05 November 2026

Types

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

21 Records
MAC PrefixTypeRegistration Date
10:A8:5B MA-L2026-09-26
1C:8B:84 MA-L2026-08-24
1C:E4:CB MA-L2026-08-31
20:D5:C2 MA-L2026-07-01
20:E5:A4 MA-L2026-10-14
3C:0D:0D MA-L2026-08-31
54:16:A5 MA-L2026-09-18
54:2B:88 MA-L2026-10-27
58:B1:45 MA-L2026-10-21
6C:3D:D8 MA-L2026-06-17
6C:C4:AF MA-L2026-10-14
6C:E2:10 MA-L2026-09-26
9C:96:D5 MA-L2026-08-24
9C:E0:87 MA-L2026-11-05
A0:60:25 MA-L2026-10-27
AC:A2:6A MA-L2026-09-18
B4:FE:B5 MA-L2026-10-21
B8:BB:11 MA-L2026-07-27
C8:DA:29 MA-L2026-07-17
D0:9A:AF MA-L2026-08-06
D8:23:32 MA-L2026-11-05