Who owns MAC prefix 3043D70?

3043D70 is registered to SYMES SA in the IEEE MA-M registry.

What devices use 3043D70?

Any network device with a MAC address starting 30:43:D7:0 was manufactured by or for SYMES SA.

MA-M · OUI prefix

SYMES SA

Any MAC address starting 30:43:D7:0 is registered to SYMES SA in FR.

OUI prefix	3043D70
Vendor	SYMES SA
Registry	MA-M (28-bit, medium block)
Country	FR
Example MAC	30:43:D7:0:00:00:00

What this means

The IEEE assigned the MA-M block 3043D70 to SYMES SA. 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 30:43:D7:0, it is SYMES SA hardware.

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