Result
Mac address for 20A99B
Company / Vendor
Microsoft Corporation
Prefix
20A99B
Database Type
IEEE MA-L
Start Mac Address
20A99B000000
End Mac Address
20A99BFFFFFF
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