Who owns MAC prefix 001BC50B9?

001BC50B9 is registered to Denki Kogyo Company, Limited in the IEEE MA-S registry.

What devices use 001BC50B9?

Any network device with a MAC address starting 00:1B:C5:0B:9 was manufactured by or for Denki Kogyo Company, Limited.

MA-S · OUI prefix

Denki Kogyo Company, Limited

Any MAC address starting 00:1B:C5:0B:9 is registered to Denki Kogyo Company, Limited in JP.

OUI prefix	001BC50B9
Vendor	Denki Kogyo Company, Limited
Registry	MA-S (36-bit, small block)
Country	JP
Example MAC	00:1B:C5:0B:9:00:00:00

What this means

The IEEE assigned the MA-S block 001BC50B9 to Denki Kogyo Company, Limited. 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 00:1B:C5:0B:9, it is Denki Kogyo Company, Limited hardware.

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