What this means

The IEEE assigned the MA-M block C8F5D66 to Jabil. 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 C8:F5:D6:6, it is Jabil hardware.

Frequently Asked Questions

Who owns MAC prefix C8F5D66?

C8F5D66 is registered to Jabil 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. Jabil's block covers 1,048,576 addresses.

What devices use C8F5D66?

Any network device with a MAC address starting C8:F5:D6:6 was manufactured by or for Jabil.