What this means
The IEEE assigned the MA-L block 00151E to B&R Industrial Automation GmbH. 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 00:15:1E, it is B&R Industrial Automation GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 00151E?
00151E is registered to B&R Industrial Automation GmbH 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. B&R Industrial Automation GmbH's block covers 16,777,216 addresses.
What devices use 00151E?
Any network device with a MAC address starting 00:15:1E was manufactured by or for B&R Industrial Automation GmbH.