MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Dongguan Huayin Electronic Technology Co., Ltd.
MAC address prefix A4:C1:39 is registered to Dongguan Huayin Electronic Technology Co., Ltd., located at Room 101No.8 Xinglong 3rd RoadShipai TownDongguan Guangdong 523000CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 15 October 2025, and no subsequent updates have been recorded.
OUI: A4:C1:39
Vendor name: Dongguan Huayin Electronic Technology Co., Ltd.
Address:
Assignment Type MA-L Room 101
No.8 Xinglong 3rd Road
Shipai Town
Dongguan Guangdong 523000
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 15 October 2025
