What this means
The IEEE assigned the MA-L block 40DF02 to LINE BIZ Plus. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 40:DF:02, it is LINE BIZ Plus hardware.
Frequently Asked Questions
Who owns MAC prefix 40DF02?
40DF02 is registered to LINE BIZ Plus in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. LINE BIZ Plus's block covers 16,777,216 addresses.
What devices use 40DF02?
Any network device with a MAC address starting 40:DF:02 was manufactured by or for LINE BIZ Plus.