What this means
The IEEE assigned the MA-L block AC583B to Human Assembler, 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 AC:58:3B, it is Human Assembler, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix AC583B?
AC583B is registered to Human Assembler, 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. Human Assembler, Inc.'s block covers 16,777,216 addresses.
What devices use AC583B?
Any network device with a MAC address starting AC:58:3B was manufactured by or for Human Assembler, Inc..