Who owns MAC prefix 84FB43?

84FB43 is registered to Central Denshi Seigyo in the IEEE MA-L registry.

What devices use 84FB43?

Any network device with a MAC address starting 84:FB:43 was manufactured by or for Central Denshi Seigyo.

MA-L · OUI prefix

Central Denshi Seigyo

Any MAC address starting 84:FB:43 is registered to Central Denshi Seigyo in JP.

OUI prefix	84FB43
Vendor	Central Denshi Seigyo
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	84:FB:43:00:00:00

What this means

The IEEE assigned the MA-L block 84FB43 to Central Denshi Seigyo. 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 84:FB:43, it is Central Denshi Seigyo hardware.

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