Who owns MAC prefix 00C01D?

00C01D is registered to GRAND JUNCTION NETWORKS, INC. in the IEEE MA-L registry.

What devices use 00C01D?

Any network device with a MAC address starting 00:C0:1D was manufactured by or for GRAND JUNCTION NETWORKS, INC..

MA-L · OUI prefix

GRAND JUNCTION NETWORKS, INC.

Any MAC address starting 00:C0:1D is registered to GRAND JUNCTION NETWORKS, INC. in US.

OUI prefix	00C01D
Vendor	GRAND JUNCTION NETWORKS, INC.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:C0:1D:00:00:00

What this means

The IEEE assigned the MA-L block 00C01D to GRAND JUNCTION NETWORKS, INC.. 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 00:C0:1D, it is GRAND JUNCTION NETWORKS, INC. hardware.

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