What this means
The IEEE assigned the MA-L block 2838CF to Gen2wave. 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 28:38:CF, it is Gen2wave hardware.
Frequently Asked Questions
Who owns MAC prefix 2838CF?
2838CF is registered to Gen2wave 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. Gen2wave's block covers 16,777,216 addresses.
What devices use 2838CF?
Any network device with a MAC address starting 28:38:CF was manufactured by or for Gen2wave.