What this means

The IEEE assigned the MA-M block A44F3ED to NTT sonority, Inc.. 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 A4:4F:3E:D, it is NTT sonority, Inc. hardware.

Frequently Asked Questions

Who owns MAC prefix A44F3ED?

A44F3ED is registered to NTT sonority, Inc. 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. NTT sonority, Inc.'s block covers 1,048,576 addresses.

What devices use A44F3ED?

Any network device with a MAC address starting A4:4F:3E:D was manufactured by or for NTT sonority, Inc..