What this means
The IEEE assigned the MA-L block 502DF4 to Phytec Messtechnik 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 50:2D:F4, it is Phytec Messtechnik GmbH hardware.
Frequently Asked Questions
Who owns MAC prefix 502DF4?
502DF4 is registered to Phytec Messtechnik GmbH 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. Phytec Messtechnik GmbH's block covers 16,777,216 addresses.
What devices use 502DF4?
Any network device with a MAC address starting 50:2D:F4 was manufactured by or for Phytec Messtechnik GmbH.