What this means
The IEEE assigned the MA-L block DC6373 to OBARA KOREA. 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:63:73, it is OBARA KOREA hardware.
Frequently Asked Questions
Who owns MAC prefix DC6373?
DC6373 is registered to OBARA KOREA 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. OBARA KOREA's block covers 16,777,216 addresses.
What devices use DC6373?
Any network device with a MAC address starting DC:63:73 was manufactured by or for OBARA KOREA.