What this means
The IEEE assigned the MA-M block B0C5CA9 to D&T 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 B0:C5:CA:9, it is D&T Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix B0C5CA9?
B0C5CA9 is registered to D&T 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. D&T Inc.'s block covers 1,048,576 addresses.
What devices use B0C5CA9?
Any network device with a MAC address starting B0:C5:CA:9 was manufactured by or for D&T Inc..