Who owns MAC prefix 843C4C?

843C4C is registered to Robert Bosch SRL in the IEEE MA-L registry.

What devices use 843C4C?

Any network device with a MAC address starting 84:3C:4C was manufactured by or for Robert Bosch SRL.

MA-L · OUI prefix

Robert Bosch SRL

Any MAC address starting 84:3C:4C is registered to Robert Bosch SRL in RO.

OUI prefix	843C4C
Vendor	Robert Bosch SRL
Registry	MA-L (24-bit, large block)
Country	RO
Example MAC	84:3C:4C:00:00:00

What this means

The IEEE assigned the MA-L block 843C4C to Robert Bosch SRL. 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 84:3C:4C, it is Robert Bosch SRL hardware.

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