MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Nanjing Qinheng Microelectronics Co., Ltd.
MAC address prefix E4:66:E5 is registered to Nanjing Qinheng Microelectronics Co., Ltd., located at No.18Ningshuang RoadNanjing Jiangsu 210012CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 13 January 2025, and no subsequent updates have been recorded.
OUI: E4:66:E5
Vendor name: Nanjing Qinheng Microelectronics Co., Ltd.
Address:
Assignment Type MA-L No.18
Ningshuang Road
Nanjing Jiangsu 210012
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 13 January 2025
