What this means
The IEEE assigned the MA-L block 000071 to ADRA SYSTEMS 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 00:00:71, it is ADRA SYSTEMS INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 000071?
000071 is registered to ADRA SYSTEMS INC. 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. ADRA SYSTEMS INC.'s block covers 16,777,216 addresses.
What devices use 000071?
Any network device with a MAC address starting 00:00:71 was manufactured by or for ADRA SYSTEMS INC..