What this means
The IEEE assigned the MA-L block D40FB2 to Applied Micro Electronics AME bv. 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 D4:0F:B2, it is Applied Micro Electronics AME bv hardware.
Frequently Asked Questions
Who owns MAC prefix D40FB2?
D40FB2 is registered to Applied Micro Electronics AME bv 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. Applied Micro Electronics AME bv's block covers 16,777,216 addresses.
What devices use D40FB2?
Any network device with a MAC address starting D4:0F:B2 was manufactured by or for Applied Micro Electronics AME bv.