Who owns MAC prefix 6437A4?

6437A4 is registered to TOKYOSHUHA CO.,LTD. in the IEEE MA-L registry.

What devices use 6437A4?

Any network device with a MAC address starting 64:37:A4 was manufactured by or for TOKYOSHUHA CO.,LTD..

MA-L · OUI prefix

TOKYOSHUHA CO.,LTD.

Any MAC address starting 64:37:A4 is registered to TOKYOSHUHA CO.,LTD. in JP.

OUI prefix	6437A4
Vendor	TOKYOSHUHA CO.,LTD.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	64:37:A4:00:00:00

What this means

The IEEE assigned the MA-L block 6437A4 to TOKYOSHUHA CO.,LTD.. 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 64:37:A4, it is TOKYOSHUHA CO.,LTD. hardware.

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