Who owns MAC prefix DC7834?

DC7834 is registered to LOGICOM SA in the IEEE MA-L registry.

What devices use DC7834?

Any network device with a MAC address starting DC:78:34 was manufactured by or for LOGICOM SA.

MA-L · OUI prefix

LOGICOM SA

Any MAC address starting DC:78:34 is registered to LOGICOM SA in FR.

OUI prefix	DC7834
Vendor	LOGICOM SA
Registry	MA-L (24-bit, large block)
Country	FR
Example MAC	DC:78:34:00:00:00

What this means

The IEEE assigned the MA-L block DC7834 to LOGICOM 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 DC:78:34, it is LOGICOM SA hardware.

Other LOGICOM SA prefixes

LOGICOM SA holds 2 registered blocks in total.

801D0DC

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