Who owns MAC prefix C0B3C8?

C0B3C8 is registered to LLC "NTC Rotek" in the IEEE MA-L registry.

What devices use C0B3C8?

Any network device with a MAC address starting C0:B3:C8 was manufactured by or for LLC "NTC Rotek".

MA-L · OUI prefix

LLC "NTC Rotek"

Any MAC address starting C0:B3:C8 is registered to LLC "NTC Rotek" in RU.

OUI prefix	C0B3C8
Vendor	LLC "NTC Rotek"
Registry	MA-L (24-bit, large block)
Country	RU
Example MAC	C0:B3:C8:00:00:00

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.

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