What this means
The IEEE assigned the MA-L block F85B9C to SB SYSTEMS Co.,Ltd. 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 F8:5B:9C, it is SB SYSTEMS Co.,Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix F85B9C?
F85B9C is registered to SB SYSTEMS Co.,Ltd 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. SB SYSTEMS Co.,Ltd's block covers 16,777,216 addresses.
What devices use F85B9C?
Any network device with a MAC address starting F8:5B:9C was manufactured by or for SB SYSTEMS Co.,Ltd.