What this means
The IEEE assigned the MA-M block 38FDFE3 to Siemens AG, DI PA AE. 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:FD:FE:3, it is Siemens AG, DI PA AE hardware.
Frequently Asked Questions
Who owns MAC prefix 38FDFE3?
38FDFE3 is registered to Siemens AG, DI PA AE 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. Siemens AG, DI PA AE's block covers 1,048,576 addresses.
What devices use 38FDFE3?
Any network device with a MAC address starting 38:FD:FE:3 was manufactured by or for Siemens AG, DI PA AE.