What this means

The IEEE assigned the MA-M block 38F7CDB to Fibergate 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 38:F7:CD:B, it is Fibergate Inc. hardware.

Frequently Asked Questions

Who owns MAC prefix 38F7CDB?

38F7CDB is registered to Fibergate 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. Fibergate Inc.'s block covers 1,048,576 addresses.

What devices use 38F7CDB?

Any network device with a MAC address starting 38:F7:CD:B was manufactured by or for Fibergate Inc..