What this means
The IEEE assigned the MA-L block DCA7D9 to Compressor Controls Corp. 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 DC:A7:D9, it is Compressor Controls Corp hardware.
Frequently Asked Questions
Who owns MAC prefix DCA7D9?
DCA7D9 is registered to Compressor Controls Corp 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. Compressor Controls Corp's block covers 16,777,216 addresses.
What devices use DCA7D9?
Any network device with a MAC address starting DC:A7:D9 was manufactured by or for Compressor Controls Corp.