What this means
The IEEE assigned the MA-L block 0006B3 to Diagraph Corporation. 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 00:06:B3, it is Diagraph Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix 0006B3?
0006B3 is registered to Diagraph Corporation 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. Diagraph Corporation's block covers 16,777,216 addresses.
What devices use 0006B3?
Any network device with a MAC address starting 00:06:B3 was manufactured by or for Diagraph Corporation.