Result
Mac address for 209EF7
Company / Vendor
Extreme Networks, Inc.
Prefix
209EF7
Database Type
IEEE MA-L
Start Mac Address
209EF7000000
End Mac Address
209EF7FFFFFF
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