Who owns MAC prefix C4B691?

C4B691 is registered to Angel Robotics in the IEEE MA-L registry.

What devices use C4B691?

Any network device with a MAC address starting C4:B6:91 was manufactured by or for Angel Robotics.

MA-L · OUI prefix

Angel Robotics

Any MAC address starting C4:B6:91 is registered to Angel Robotics in KR.

OUI prefix	C4B691
Vendor	Angel Robotics
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	C4:B6:91:00:00:00

What this means

The IEEE assigned the MA-L block C4B691 to Angel Robotics. 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 C4:B6:91, it is Angel Robotics hardware.

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