Nanjing Qinheng Microelectronics Co., Ltd.

Unique prefixes: 4

Block Size: 67108860 (67.1 M)

First registration: 22 July 2021

Last updated: 19 January 2024

Types

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

MAC Prefix Type Registration Date
50:54:7B MA-L 2021-07-22
54:14:A7 MA-L 2022-12-07
5C:53:10 MA-L 2023-10-19
E0:4E:7A MA-L 2024-01-19