Who owns MAC prefix 642184?

642184 is registered to Nippon Denki Kagaku Co.,LTD in the IEEE MA-L registry.

What devices use 642184?

Any network device with a MAC address starting 64:21:84 was manufactured by or for Nippon Denki Kagaku Co.,LTD.

MA-L · OUI prefix

Nippon Denki Kagaku Co.,LTD

Any MAC address starting 64:21:84 is registered to Nippon Denki Kagaku Co.,LTD in JP.

OUI prefix	642184
Vendor	Nippon Denki Kagaku Co.,LTD
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	64:21:84:00:00:00

What this means

The IEEE assigned the MA-L block 642184 to Nippon Denki Kagaku 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 64:21:84, it is Nippon Denki Kagaku Co.,LTD hardware.

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