What this means
The IEEE assigned the MA-M block DC4A9ED to HAPPIEST BABY 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:4A:9E:D, it is HAPPIEST BABY INC. hardware.
Frequently Asked Questions
Who owns MAC prefix DC4A9ED?
DC4A9ED is registered to HAPPIEST BABY 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. HAPPIEST BABY INC.'s block covers 1,048,576 addresses.
What devices use DC4A9ED?
Any network device with a MAC address starting DC:4A:9E:D was manufactured by or for HAPPIEST BABY INC..