What devices use CCF55F?

Any network device with a MAC address starting CC:F5:5F was manufactured by or for E FOCUS INSTRUMENTS INDIA PRIVATE LIMITED.

MA-L · OUI prefix

E FOCUS INSTRUMENTS INDIA PRIVATE LIMITED

Q: Who owns MAC prefix CCF55F?

CCF55F is registered to E FOCUS INSTRUMENTS INDIA PRIVATE LIMITED in the IEEE MA-L registry.

Any MAC address starting CC:F5:5F is registered to E FOCUS INSTRUMENTS INDIA PRIVATE LIMITED in IN.

OUI prefix	CCF55F
Vendor	E FOCUS INSTRUMENTS INDIA PRIVATE LIMITED
Registry	MA-L (24-bit, large block)
Country	IN
Example MAC	CC:F5:5F:00:00:00

What this means

The IEEE assigned the MA-L block CCF55F to E FOCUS INSTRUMENTS INDIA PRIVATE LIMITED. 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:F5:5F, it is E FOCUS INSTRUMENTS INDIA PRIVATE LIMITED hardware.

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