What this means
The IEEE assigned the MA-L block 68B1C9 to IYO, Inc. 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 68:B1:C9, it is IYO, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 68B1C9?
68B1C9 is registered to IYO, Inc 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. IYO, Inc's block covers 16,777,216 addresses.
What devices use 68B1C9?
Any network device with a MAC address starting 68:B1:C9 was manufactured by or for IYO, Inc.