Result
Mac address for 4C421E
Company / Vendor
Cisco Systems, Inc
Prefix
4C421E
Database Type
IEEE MA-L
Start Mac Address
4C421E000000
End Mac Address
4C421EFFFFFF
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