Result
Mac address for 544DD4
Company / Vendor
China Mobile Group Device Co.,Ltd.
Prefix
544DD4
Database Type
IEEE MA-L
Start Mac Address
544DD4000000
End Mac Address
544DD4FFFFFF
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