What this means
The IEEE assigned the MA-M block E8F6D73 to ZIEHL-ABEGG SE. 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:D7:3, it is ZIEHL-ABEGG SE hardware.
Frequently Asked Questions
Who owns MAC prefix E8F6D73?
E8F6D73 is registered to ZIEHL-ABEGG SE 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. ZIEHL-ABEGG SE's block covers 1,048,576 addresses.
What devices use E8F6D73?
Any network device with a MAC address starting E8:F6:D7:3 was manufactured by or for ZIEHL-ABEGG SE.