What this means
The IEEE assigned the MA-L block 34F890 to Nanjing RISC-V Institute Co., Ltd.. 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 34:F8:90, it is Nanjing RISC-V Institute Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 34F890?
34F890 is registered to Nanjing RISC-V Institute Co., Ltd. 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. Nanjing RISC-V Institute Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 34F890?
Any network device with a MAC address starting 34:F8:90 was manufactured by or for Nanjing RISC-V Institute Co., Ltd..