What this means
The IEEE assigned the MA-L block E039D7 to Plexxi, 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 E0:39:D7, it is Plexxi, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix E039D7?
E039D7 is registered to Plexxi, 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. Plexxi, Inc.'s block covers 16,777,216 addresses.
What devices use E039D7?
Any network device with a MAC address starting E0:39:D7 was manufactured by or for Plexxi, Inc..