Shanghai Huaqin Telecom Technology Co.,Ltd

Unique prefixes: 2

Block Size: 33554430 (33.55 M)

First registration: 01 July 2010

Last updated: 17 November 2015

Types

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

MAC Prefix Type Registration Date
44:91:DB MA-L 2010-07-01
90:21:81 MA-L 2014-07-13