What this means
The IEEE assigned the MA-L block 389201 to Tianyi Telecom Terminals Company 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 38:92:01, it is Tianyi Telecom Terminals Company Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 389201?
389201 is registered to Tianyi Telecom Terminals Company 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. Tianyi Telecom Terminals Company Limited's block covers 16,777,216 addresses.
What devices use 389201?
Any network device with a MAC address starting 38:92:01 was manufactured by or for Tianyi Telecom Terminals Company Limited.