Beijing Sinead Technology Co., Ltd.

Unique prefixes: 2

Block Size: 33554430 (33.55 M)

First registration: 24 May 2017

Last updated: 16 June 2021

Types

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

MAC Prefix Type Registration Date
3C:9F:C3 MA-L 2021-06-16
80:61:5F MA-L 2017-05-24