What this means
The IEEE assigned the MA-L block 00A043 to AMERICAN TECHNOLOGY LABS, 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:A0:43, it is AMERICAN TECHNOLOGY LABS, INC. hardware.
Frequently Asked Questions
Who owns MAC prefix 00A043?
00A043 is registered to AMERICAN TECHNOLOGY LABS, 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. AMERICAN TECHNOLOGY LABS, INC.'s block covers 16,777,216 addresses.
What devices use 00A043?
Any network device with a MAC address starting 00:A0:43 was manufactured by or for AMERICAN TECHNOLOGY LABS, INC..