What this means
The IEEE assigned the MA-L block 0009D7 to DC Security Products. 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 00:09:D7, it is DC Security Products hardware.
Frequently Asked Questions
Who owns MAC prefix 0009D7?
0009D7 is registered to DC Security Products in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. DC Security Products's block covers 16,777,216 addresses.
What devices use 0009D7?
Any network device with a MAC address starting 00:09:D7 was manufactured by or for DC Security Products.