OUI Lookup
f81b04
Zhong Shan City Richsound Electronic Industrial Ltd
Manufacturer Information
- OUI Prefix
- f81b04
- Manufacturer
- Zhong Shan City Richsound Electronic Industrial Ltd
- Address
- Qunle Industrial Area,East ShaGang Road,GangKou ZhongShan,GuangDong,China ZhongShan GuangDong CN 528400
- Last updated
- 6/12/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix F81B04
The OUI prefix F81B04 is assigned to Zhong Shan City Richsound Electronic Industrial Ltd, based in Qunle Industrial Area,East ShaGang Road,GangKou ZhongShan,GuangDong,China ZhongShan GuangDong CN 528400 . 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 Zhong Shan City Richsound Electronic Industrial Ltd.