What this means
The IEEE assigned the MA-L block 74D9EB to Petabit Scale, 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 74:D9:EB, it is Petabit Scale, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 74D9EB?
74D9EB is registered to Petabit Scale, 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. Petabit Scale, Inc.'s block covers 16,777,216 addresses.
What devices use 74D9EB?
Any network device with a MAC address starting 74:D9:EB was manufactured by or for Petabit Scale, Inc..