What this means
The IEEE assigned the MA-L block 20918A to PROFALUX. 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 20:91:8A, it is PROFALUX hardware.
Frequently Asked Questions
Who owns MAC prefix 20918A?
20918A is registered to PROFALUX 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. PROFALUX's block covers 16,777,216 addresses.
What devices use 20918A?
Any network device with a MAC address starting 20:91:8A was manufactured by or for PROFALUX.