What this means
The IEEE assigned the MA-L block D49CDD to AMPAK Technology,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 D4:9C:DD, it is AMPAK Technology,Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix D49CDD?
D49CDD is registered to AMPAK Technology,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. AMPAK Technology,Inc.'s block covers 16,777,216 addresses.
What devices use D49CDD?
Any network device with a MAC address starting D4:9C:DD was manufactured by or for AMPAK Technology,Inc..