What this means
The IEEE assigned the MA-M block E8F6D77 to CowManager. 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 E8:F6:D7:7, it is CowManager hardware.
Frequently Asked Questions
Who owns MAC prefix E8F6D77?
E8F6D77 is registered to CowManager 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. CowManager's block covers 1,048,576 addresses.
What devices use E8F6D77?
Any network device with a MAC address starting E8:F6:D7:7 was manufactured by or for CowManager.