What this means
The IEEE assigned the MA-L block 00D021 to REGENT ELECTRONICS CORP.. 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:D0:21, it is REGENT ELECTRONICS CORP. hardware.
Frequently Asked Questions
Who owns MAC prefix 00D021?
00D021 is registered to REGENT ELECTRONICS CORP. 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. REGENT ELECTRONICS CORP.'s block covers 16,777,216 addresses.
What devices use 00D021?
Any network device with a MAC address starting 00:D0:21 was manufactured by or for REGENT ELECTRONICS CORP..