What this means
The IEEE assigned the MA-L block C0B3C8 to LLC "NTC Rotek". 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 C0:B3:C8, it is LLC "NTC Rotek" hardware.
Frequently Asked Questions
Who owns MAC prefix C0B3C8?
C0B3C8 is registered to LLC "NTC Rotek" 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. LLC "NTC Rotek"'s block covers 16,777,216 addresses.
What devices use C0B3C8?
Any network device with a MAC address starting C0:B3:C8 was manufactured by or for LLC "NTC Rotek".