What this means
The IEEE assigned the MA-L block 28DEF6 to bioMerieux Inc.. 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 28:DE:F6, it is bioMerieux Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 28DEF6?
28DEF6 is registered to bioMerieux Inc. 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. bioMerieux Inc.'s block covers 16,777,216 addresses.
What devices use 28DEF6?
Any network device with a MAC address starting 28:DE:F6 was manufactured by or for bioMerieux Inc..