What this means
The IEEE assigned the MA-L block 20500F to Fiber Groep B.V.. 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 20:50:0F, it is Fiber Groep B.V. hardware.
Frequently Asked Questions
Who owns MAC prefix 20500F?
20500F is registered to Fiber Groep B.V. 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. Fiber Groep B.V.'s block covers 16,777,216 addresses.
What devices use 20500F?
Any network device with a MAC address starting 20:50:0F was manufactured by or for Fiber Groep B.V..