Who owns MAC prefix 6C9AC9?

6C9AC9 is registered to Valentine Research, Inc. in the IEEE MA-L registry.

What devices use 6C9AC9?

Any network device with a MAC address starting 6C:9A:C9 was manufactured by or for Valentine Research, Inc..

MA-L · OUI prefix

Valentine Research, Inc.

Any MAC address starting 6C:9A:C9 is registered to Valentine Research, Inc. in US.

OUI prefix	6C9AC9
Vendor	Valentine Research, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	6C:9A:C9:00:00:00

What this means

The IEEE assigned the MA-L block 6C9AC9 to Valentine Research, 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 6C:9A:C9, it is Valentine Research, Inc. hardware.

Look up another MAC