Result
Mac address for 28EF01
Company / Vendor
Amazon Technologies Inc.
Prefix
28EF01
Database Type
IEEE MA-L
Start Mac Address
28EF01000000
End Mac Address
28EF01FFFFFF
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