Who owns MAC prefix 000665?

000665 is registered to Sunny Giken, Inc. in the IEEE MA-L registry.

What devices use 000665?

Any network device with a MAC address starting 00:06:65 was manufactured by or for Sunny Giken, Inc..

MA-L · OUI prefix

Sunny Giken, Inc.

Any MAC address starting 00:06:65 is registered to Sunny Giken, Inc. in JP.

OUI prefix	000665
Vendor	Sunny Giken, Inc.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:06:65:00:00:00

What this means

The IEEE assigned the MA-L block 000665 to Sunny Giken, 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 00:06:65, it is Sunny Giken, Inc. hardware.

Look up another MAC