OUI Lookup
b81bcb
Shanghai Sunmi Technology Co.,Ltd.
Manufacturer Information
- OUI Prefix
- b81bcb
- Manufacturer
- Shanghai Sunmi Technology Co.,Ltd.
- Address
- Room 505, No.388 Song Hu Road, Yang Pu District, Shanghai, China Shanghai Shanghai CN 200433
- Last updated
- 7/23/2026
Vendor Statistics
- Total prefixes
- 4
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B81BCB
The OUI prefix B81BCB is assigned to Shanghai Sunmi Technology Co.,Ltd., based in Room 505, No.388 Song Hu Road, Yang Pu District, Shanghai, China Shanghai Shanghai CN 200433 . 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 Shanghai Sunmi Technology Co.,Ltd..