What this means
The IEEE assigned the MA-M block D4A0FB0 to M2MD Technologies, Inc.. 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:0, it is M2MD Technologies, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix D4A0FB0?
D4A0FB0 is registered to M2MD Technologies, Inc. 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. M2MD Technologies, Inc.'s block covers 1,048,576 addresses.
What devices use D4A0FB0?
Any network device with a MAC address starting D4:A0:FB:0 was manufactured by or for M2MD Technologies, Inc..