What this means
The IEEE assigned the MA-L block 6089B1 to Key Digital Systems. 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 60:89:B1, it is Key Digital Systems hardware.
Frequently Asked Questions
Who owns MAC prefix 6089B1?
6089B1 is registered to Key Digital Systems 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. Key Digital Systems's block covers 16,777,216 addresses.
What devices use 6089B1?
Any network device with a MAC address starting 60:89:B1 was manufactured by or for Key Digital Systems.