What this means

The IEEE assigned the MA-M block AC86D17 to Quantum-Systems GmbH. 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:D1:7, it is Quantum-Systems GmbH hardware.

Frequently Asked Questions

Who owns MAC prefix AC86D17?

AC86D17 is registered to Quantum-Systems GmbH 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. Quantum-Systems GmbH's block covers 1,048,576 addresses.

What devices use AC86D17?

Any network device with a MAC address starting AC:86:D1:7 was manufactured by or for Quantum-Systems GmbH.