What this means
The IEEE assigned the MA-M block F80278B to Rosemount Analytical. 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 F8:02:78:B, it is Rosemount Analytical hardware.
Frequently Asked Questions
Who owns MAC prefix F80278B?
F80278B is registered to Rosemount Analytical in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Rosemount Analytical's block covers 1,048,576 addresses.
What devices use F80278B?
Any network device with a MAC address starting F8:02:78:B was manufactured by or for Rosemount Analytical.