Who owns MAC prefix 000080?

000080 is registered to CRAY COMMUNICATIONS A/S in the IEEE MA-L registry.

What devices use 000080?

Any network device with a MAC address starting 00:00:80 was manufactured by or for CRAY COMMUNICATIONS A/S.

MA-L · OUI prefix

CRAY COMMUNICATIONS A/S

Any MAC address starting 00:00:80 is registered to CRAY COMMUNICATIONS A/S in DK.

OUI prefix	000080
Vendor	CRAY COMMUNICATIONS A/S
Registry	MA-L (24-bit, large block)
Country	DK
Example MAC	00:00:80:00:00:00

What this means

The IEEE assigned the MA-L block 000080 to CRAY COMMUNICATIONS A/S. 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 00:00:80, it is CRAY COMMUNICATIONS A/S hardware.

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