50:54:7B Nanjing Qinheng Microelectronics Co., Ltd.
Every MAC address from 50:54:7B:00:00:00 to 50:54:7B:FF:FF:FF belongs to a block the IEEE assigned to Nanjing Qinheng Microelectronics Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 50:54:7B belongs to
Written 50:54:7B, 50-54-7B or 50547B, depending on the system. Look up a full address.
Prefix
50:54:7B
Organization
Nanjing Qinheng Microelectronics Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
50:54:7B:00:00:00
Last address
50:54:7B:FF:FF:FF
Address type
Globally unique, unicast
Registered address
No.18, Ningshuang Road Nanjing Jiangsu CN 210012