What this means
The IEEE assigned the MA-L block CC720F to Viscount Systems 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 CC:72:0F, it is Viscount Systems Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix CC720F?
CC720F is registered to Viscount Systems 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. Viscount Systems Inc.'s block covers 16,777,216 addresses.
What devices use CC720F?
Any network device with a MAC address starting CC:72:0F was manufactured by or for Viscount Systems Inc..