54:14:A7 Nanjing Qinheng Microelectronics Co., Ltd.
Every MAC address from 54:14:A7:00:00:00 to 54:14:A7: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 54:14:A7 belongs to
Written 54:14:A7, 54-14-A7 or 5414A7, depending on the system. Look up a full address.
Prefix
54:14:A7
Organization
Nanjing Qinheng Microelectronics Co., Ltd.
Registry
MA-L (a 24-bit OUI)
Addresses
16,777,216
First address
54:14:A7:00:00:00
Last address
54:14:A7:FF:FF:FF
Address type
Globally unique, unicast
Registered address
No.18, Ningshuang Road Nanjing Jiangsu CN 210012