What this means
The IEEE assigned the MA-L block 74D4DD to Quanta Computer 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:D4:DD, it is Quanta Computer Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 74D4DD?
74D4DD is registered to Quanta Computer 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. Quanta Computer Inc.'s block covers 16,777,216 addresses.
What devices use 74D4DD?
Any network device with a MAC address starting 74:D4:DD was manufactured by or for Quanta Computer Inc..