What this means
The IEEE assigned the MA-L block B89BE4 to ABB Power Systems Power Generation. 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 B8:9B:E4, it is ABB Power Systems Power Generation hardware.
Frequently Asked Questions
Who owns MAC prefix B89BE4?
B89BE4 is registered to ABB Power Systems Power Generation 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. ABB Power Systems Power Generation's block covers 16,777,216 addresses.
What devices use B89BE4?
Any network device with a MAC address starting B8:9B:E4 was manufactured by or for ABB Power Systems Power Generation.