What this means
The IEEE assigned the MA-M block D09686C to ECS s.r.l.. 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 D0:96:86:C, it is ECS s.r.l. hardware.
Frequently Asked Questions
Who owns MAC prefix D09686C?
D09686C is registered to ECS s.r.l. 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. ECS s.r.l.'s block covers 1,048,576 addresses.
What devices use D09686C?
Any network device with a MAC address starting D0:96:86:C was manufactured by or for ECS s.r.l..