What this means
The IEEE assigned the MA-L block 3897A4 to ELECOM 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 38:97:A4, it is ELECOM CO.,LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 3897A4?
3897A4 is registered to ELECOM 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. ELECOM CO.,LTD.'s block covers 16,777,216 addresses.
What devices use 3897A4?
Any network device with a MAC address starting 38:97:A4 was manufactured by or for ELECOM CO.,LTD..