What this means
The IEEE assigned the MA-M block D093959 to NINGBO SUNNY OPOTECH CO.,LTD. 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 D0:93:95:9, it is NINGBO SUNNY OPOTECH CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix D093959?
D093959 is registered to NINGBO SUNNY OPOTECH CO.,LTD 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. NINGBO SUNNY OPOTECH CO.,LTD's block covers 1,048,576 addresses.
What devices use D093959?
Any network device with a MAC address starting D0:93:95:9 was manufactured by or for NINGBO SUNNY OPOTECH CO.,LTD.