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.
Frequently Asked Questions
Who owns MAC prefix 000080?
000080 is registered to CRAY COMMUNICATIONS A/S in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. CRAY COMMUNICATIONS A/S's block covers 16,777,216 addresses.
What devices use 000080?
Any network device with a MAC address starting 00:00:80 was manufactured by or for CRAY COMMUNICATIONS A/S.