What this means
The IEEE assigned the MA-M block 38F7CD9 to RFbeam Microwave GmbH. 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:9, it is RFbeam Microwave GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 38F7CD9?
38F7CD9 is registered to RFbeam Microwave GmbH 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. RFbeam Microwave GmbH's block covers 1,048,576 addresses.
What devices use 38F7CD9?
Any network device with a MAC address starting 38:F7:CD:9 was manufactured by or for RFbeam Microwave GmbH.