Result
Mac address for 00040B
Company / Vendor
3COM EUROPE LTD
Prefix
00040B
Database Type
IEEE MA-L
Start Mac Address
00040B000000
End Mac Address
00040BFFFFFF
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