OUI Lookup
a4c139
Dongguan Huayin Electronic Technology Co., Ltd.
Manufacturer Information
- OUI Prefix
- a4c139
- Manufacturer
- Dongguan Huayin Electronic Technology Co., Ltd.
- Address
- Room 101, No.8 Xinglong 3rd Road, Shipai Town Dongguan Guangdong CN 523000
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 5
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix A4C139
The OUI prefix A4C139 is assigned to Dongguan Huayin Electronic Technology Co., Ltd., based in Room 101, No.8 Xinglong 3rd Road, Shipai Town Dongguan Guangdong CN 523000 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Dongguan Huayin Electronic Technology Co., Ltd..