What this means
The IEEE assigned the MA-L block 38F406 to Jinan USR IOT Technology Limited. 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:F4:06, it is Jinan USR IOT Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 38F406?
38F406 is registered to Jinan USR IOT Technology Limited 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. Jinan USR IOT Technology Limited's block covers 16,777,216 addresses.
What devices use 38F406?
Any network device with a MAC address starting 38:F4:06 was manufactured by or for Jinan USR IOT Technology Limited.