Result
Mac address for 681FD8
Company / Vendor
Siemens Industry, Inc.
Prefix
681FD8
Database Type
IEEE MA-L
Start Mac Address
681FD8000000
End Mac Address
681FD8FFFFFF
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