What this means
The IEEE assigned the MA-L block 9CA525 to Shandong 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 9C:A5:25, it is Shandong USR IOT Technology Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 9CA525?
9CA525 is registered to Shandong 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. Shandong USR IOT Technology Limited's block covers 16,777,216 addresses.
What devices use 9CA525?
Any network device with a MAC address starting 9C:A5:25 was manufactured by or for Shandong USR IOT Technology Limited.