IBM

Unique prefixes: 7

Block Size: 70254585 (70.25 M)

www.ibm.com

First registration: 07 October 2011

Last updated: 25 July 2024

Types

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

MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)

MAC Prefix Type Registration Date
2C:69:1D:8 MA-M 2022-05-20
34:40:B5 MA-L 2011-10-07
40:F2:E9 MA-L 2012-10-05
90:4E:91:7 MA-M 2017-07-23
98:BE:94 MA-L 2014-02-25
A8:97:DC MA-L 2013-05-02
C4:FF:84:8 MA-M 2024-07-25