What this means
The IEEE assigned the MA-L block 846A66 to Sumitomo Kizai 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 84:6A:66, it is Sumitomo Kizai Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 846A66?
846A66 is registered to Sumitomo Kizai 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. Sumitomo Kizai Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use 846A66?
Any network device with a MAC address starting 84:6A:66 was manufactured by or for Sumitomo Kizai Co.,Ltd..