Result
Mac address for 001B7C
Company / Vendor
A & R Cambridge
Prefix
001B7C
Database Type
IEEE MA-L
Start Mac Address
001B7C000000
End Mac Address
001B7CFFFFFF
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