What this means
The IEEE assigned the MA-L block 000279 to Control Applications, Ltd.. 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 00:02:79, it is Control Applications, Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 000279?
000279 is registered to Control Applications, Ltd. 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. Control Applications, Ltd.'s block covers 16,777,216 addresses.
What devices use 000279?
Any network device with a MAC address starting 00:02:79 was manufactured by or for Control Applications, Ltd..