What this means
The IEEE assigned the MA-L block 00300D to MMC Technology, 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 00:30:0D, it is MMC Technology, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 00300D?
00300D is registered to MMC Technology, 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. MMC Technology, Inc.'s block covers 16,777,216 addresses.
What devices use 00300D?
Any network device with a MAC address starting 00:30:0D was manufactured by or for MMC Technology, Inc..