Who owns MAC prefix CCB691?

CCB691 is registered to NECMagnusCommunications in the IEEE MA-L registry.

What devices use CCB691?

Any network device with a MAC address starting CC:B6:91 was manufactured by or for NECMagnusCommunications.

MA-L · OUI prefix

NECMagnusCommunications

Any MAC address starting CC:B6:91 is registered to NECMagnusCommunications in JP.

OUI prefix	CCB691
Vendor	NECMagnusCommunications
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	CC:B6:91:00:00:00

What this means

The IEEE assigned the MA-L block CCB691 to NECMagnusCommunications. 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:B6:91, it is NECMagnusCommunications hardware.

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