What this means
The IEEE assigned the MA-M block D4A0FB8 to Parpro System Corporation. 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 D4:A0:FB:8, it is Parpro System Corporation hardware.
Frequently Asked Questions
Who owns MAC prefix D4A0FB8?
D4A0FB8 is registered to Parpro System Corporation 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. Parpro System Corporation's block covers 1,048,576 addresses.
What devices use D4A0FB8?
Any network device with a MAC address starting D4:A0:FB:8 was manufactured by or for Parpro System Corporation.