Result
Mac address for 28B77C5
Company / Vendor
GROTHE GmbH
Prefix
28B77C5
Database Type
IEEE MA-M
Start Mac Address
28B77C5500000
End Mac Address
28B77C55FFFFF
Company Address
Possible Devices
1048576
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