Who owns MAC prefix 00006D?

00006D is registered to CRAY COMMUNICATIONS, LTD. in the IEEE MA-L registry.

What devices use 00006D?

Any network device with a MAC address starting 00:00:6D was manufactured by or for CRAY COMMUNICATIONS, LTD..

MA-L · OUI prefix

CRAY COMMUNICATIONS, LTD.

Any MAC address starting 00:00:6D is registered to CRAY COMMUNICATIONS, LTD. in GB.

OUI prefix	00006D
Vendor	CRAY COMMUNICATIONS, LTD.
Registry	MA-L (24-bit, large block)
Country	GB
Example MAC	00:00:6D:00:00:00

What this means

The IEEE assigned the MA-L block 00006D to CRAY COMMUNICATIONS, LTD.. 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 00:00:6D, it is CRAY COMMUNICATIONS, LTD. hardware.

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