What this means
The IEEE assigned the MA-M block F0ACD73 to Med-Pat/Inn-Phone. 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 F0:AC:D7:3, it is Med-Pat/Inn-Phone hardware.
Frequently Asked Questions
Who owns MAC prefix F0ACD73?
F0ACD73 is registered to Med-Pat/Inn-Phone 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. Med-Pat/Inn-Phone's block covers 1,048,576 addresses.
What devices use F0ACD73?
Any network device with a MAC address starting F0:AC:D7:3 was manufactured by or for Med-Pat/Inn-Phone.