What this means
The IEEE assigned the MA-L block D4E32C to S. Siedle & Sohne. 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 D4:E3:2C, it is S. Siedle & Sohne hardware.
Frequently Asked Questions
Who owns MAC prefix D4E32C?
D4E32C is registered to S. Siedle & Sohne in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. S. Siedle & Sohne's block covers 16,777,216 addresses.
What devices use D4E32C?
Any network device with a MAC address starting D4:E3:2C was manufactured by or for S. Siedle & Sohne.