What this means
The IEEE assigned the MA-L block 7CB542 to ACES Technology. 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 7C:B5:42, it is ACES Technology hardware.
Frequently Asked Questions
Who owns MAC prefix 7CB542?
7CB542 is registered to ACES Technology 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. ACES Technology's block covers 16,777,216 addresses.
What devices use 7CB542?
Any network device with a MAC address starting 7C:B5:42 was manufactured by or for ACES Technology.