What this means
The IEEE assigned the MA-M block D425CC8 to DOLBY LABORATORIES, 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 D4:25:CC:8, it is DOLBY LABORATORIES, INC. hardware.
Frequently Asked Questions
Who owns MAC prefix D425CC8?
D425CC8 is registered to DOLBY LABORATORIES, INC. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. DOLBY LABORATORIES, INC.'s block covers 1,048,576 addresses.
What devices use D425CC8?
Any network device with a MAC address starting D4:25:CC:8 was manufactured by or for DOLBY LABORATORIES, INC..