What this means
The IEEE assigned the MA-L block 7CC6C4 to Kolff Computer Supplies b.v.. 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 7C:C6:C4, it is Kolff Computer Supplies b.v. hardware.
Frequently Asked Questions
Who owns MAC prefix 7CC6C4?
7CC6C4 is registered to Kolff Computer Supplies b.v. 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. Kolff Computer Supplies b.v.'s block covers 16,777,216 addresses.
What devices use 7CC6C4?
Any network device with a MAC address starting 7C:C6:C4 was manufactured by or for Kolff Computer Supplies b.v..