Result
Mac address for 643216
Company / Vendor
Weidu Technology (Beijing) Co., Ltd.
Prefix
643216
Database Type
IEEE MA-L
Start Mac Address
643216000000
End Mac Address
643216FFFFFF
Company Address
Possible Devices
16777216
This number represents the possible device number that can be manufactured using this mac address, but doesn't mean it is all has been manufactured yet
Link