Who owns MAC prefix 9CFFBE?

9CFFBE is registered to OTSL Inc. in the IEEE MA-L registry.

What devices use 9CFFBE?

Any network device with a MAC address starting 9C:FF:BE was manufactured by or for OTSL Inc..

MA-L · OUI prefix

OTSL Inc.

Any MAC address starting 9C:FF:BE is registered to OTSL Inc. in JP.

OUI prefix	9CFFBE
Vendor	OTSL Inc.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	9C:FF:BE:00:00:00

What this means

The IEEE assigned the MA-L block 9CFFBE to OTSL Inc.. 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 9C:FF:BE, it is OTSL Inc. hardware.

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