What this means
The IEEE assigned the MA-L block 0017BF to Coherent Research Limited. 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 00:17:BF, it is Coherent Research Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 0017BF?
0017BF is registered to Coherent Research Limited 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. Coherent Research Limited's block covers 16,777,216 addresses.
What devices use 0017BF?
Any network device with a MAC address starting 00:17:BF was manufactured by or for Coherent Research Limited.