What this means
The IEEE assigned the MA-L block 88BA74 to Silicon Laboratories. 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 88:BA:74, it is Silicon Laboratories hardware.
Frequently Asked Questions
Who owns MAC prefix 88BA74?
88BA74 is registered to Silicon Laboratories 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. Silicon Laboratories's block covers 16,777,216 addresses.
What devices use 88BA74?
Any network device with a MAC address starting 88:BA:74 was manufactured by or for Silicon Laboratories.