What this means
The IEEE assigned the MA-L block B0750C to QA Cafe. 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 B0:75:0C, it is QA Cafe hardware.
Frequently Asked Questions
Who owns MAC prefix B0750C?
B0750C is registered to QA Cafe 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. QA Cafe's block covers 16,777,216 addresses.
What devices use B0750C?
Any network device with a MAC address starting B0:75:0C was manufactured by or for QA Cafe.