Beijing ASU Tech Co.,Ltd

Unique prefixes: 2

Block Size: 17825790 (17.82 M)

First registration: 17 November 2015

Last updated: 07 September 2021

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
C4:77:AB MA-L 2015-11-17
F4:70:0C:2 MA-M 2021-09-07