What this means
The IEEE assigned the MA-L block 00D04D to DIV OF RESEARCH & STATISTICS. 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 00:D0:4D, it is DIV OF RESEARCH & STATISTICS hardware.
Frequently Asked Questions
Who owns MAC prefix 00D04D?
00D04D is registered to DIV OF RESEARCH & STATISTICS 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. DIV OF RESEARCH & STATISTICS's block covers 16,777,216 addresses.
What devices use 00D04D?
Any network device with a MAC address starting 00:D0:4D was manufactured by or for DIV OF RESEARCH & STATISTICS.