What this means
The IEEE assigned the MA-L block 683E02 to SIEMENS AG, Digital Factory, Motion Control System. 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 68:3E:02, it is SIEMENS AG, Digital Factory, Motion Control System hardware.
Frequently Asked Questions
Who owns MAC prefix 683E02?
683E02 is registered to SIEMENS AG, Digital Factory, Motion Control System 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. SIEMENS AG, Digital Factory, Motion Control System's block covers 16,777,216 addresses.
What devices use 683E02?
Any network device with a MAC address starting 68:3E:02 was manufactured by or for SIEMENS AG, Digital Factory, Motion Control System.