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