Who owns MAC prefix DC4D23?

DC4D23 is registered to MRV Comunications in the IEEE MA-L registry.

What devices use DC4D23?

Any network device with a MAC address starting DC:4D:23 was manufactured by or for MRV Comunications.

MA-L · OUI prefix

MRV Comunications

Any MAC address starting DC:4D:23 is registered to MRV Comunications in IL.

OUI prefix	DC4D23
Vendor	MRV Comunications
Registry	MA-L (24-bit, large block)
Country	IL
Example MAC	DC:4D:23:00:00:00

What this means

The IEEE assigned the MA-L block DC4D23 to MRV Comunications. 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:4D:23, it is MRV Comunications hardware.

Other MRV Comunications prefixes

MRV Comunications holds 2 registered blocks in total.

443708

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