What this means

The IEEE assigned the MA-M block D0A0116 to OCEM Energy Technology. 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:A0:11:6, it is OCEM Energy Technology hardware.

Frequently Asked Questions

Who owns MAC prefix D0A0116?

D0A0116 is registered to OCEM Energy Technology 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. OCEM Energy Technology's block covers 1,048,576 addresses.

What devices use D0A0116?

Any network device with a MAC address starting D0:A0:11:6 was manufactured by or for OCEM Energy Technology.