What this means
The IEEE assigned the MA-L block 0CEF7C to AnaCom 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 0C:EF:7C, it is AnaCom Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 0CEF7C?
0CEF7C is registered to AnaCom Inc 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. AnaCom Inc's block covers 16,777,216 addresses.
What devices use 0CEF7C?
Any network device with a MAC address starting 0C:EF:7C was manufactured by or for AnaCom Inc.