What this means
The IEEE assigned the MA-L block 00E031 to HAGIWARA ELECTRIC 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 00:E0:31, it is HAGIWARA ELECTRIC CO., LTD. hardware.
Frequently Asked Questions
Who owns MAC prefix 00E031?
00E031 is registered to HAGIWARA ELECTRIC 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. HAGIWARA ELECTRIC CO., LTD.'s block covers 16,777,216 addresses.
What devices use 00E031?
Any network device with a MAC address starting 00:E0:31 was manufactured by or for HAGIWARA ELECTRIC CO., LTD..