What this means
The IEEE assigned the MA-M block AC86D19 to Annapurna labs. 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:86:D1:9, it is Annapurna labs hardware.
Frequently Asked Questions
Who owns MAC prefix AC86D19?
AC86D19 is registered to Annapurna labs in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Annapurna labs's block covers 1,048,576 addresses.
What devices use AC86D19?
Any network device with a MAC address starting AC:86:D1:9 was manufactured by or for Annapurna labs.