What this means
The IEEE assigned the MA-L block D8DF7A to Quest Software, 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 D8:DF:7A, it is Quest Software, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix D8DF7A?
D8DF7A is registered to Quest Software, 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. Quest Software, Inc.'s block covers 16,777,216 addresses.
What devices use D8DF7A?
Any network device with a MAC address starting D8:DF:7A was manufactured by or for Quest Software, Inc..