What this means
The IEEE assigned the MA-L block DCDA4D to CELESTICA 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 DC:DA:4D, it is CELESTICA INC. hardware.
Frequently Asked Questions
Who owns MAC prefix DCDA4D?
DCDA4D is registered to CELESTICA 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. CELESTICA INC.'s block covers 16,777,216 addresses.
What devices use DCDA4D?
Any network device with a MAC address starting DC:DA:4D was manufactured by or for CELESTICA INC..