What this means
The IEEE assigned the MA-L block 60391F to ABB 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 60:39:1F, it is ABB Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 60391F?
60391F is registered to ABB 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. ABB Ltd's block covers 16,777,216 addresses.
What devices use 60391F?
Any network device with a MAC address starting 60:39:1F was manufactured by or for ABB Ltd.