What this means
The IEEE assigned the MA-M block B0CCCEE to MICROTEST. 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 B0:CC:CE:E, it is MICROTEST hardware.
Frequently Asked Questions
Who owns MAC prefix B0CCCEE?
B0CCCEE is registered to MICROTEST in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. MICROTEST's block covers 1,048,576 addresses.
What devices use B0CCCEE?
Any network device with a MAC address starting B0:CC:CE:E was manufactured by or for MICROTEST.