What this means
The IEEE assigned the MA-L block 0003ED to Shinkawa 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 00:03:ED, it is Shinkawa Electric Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 0003ED?
0003ED is registered to Shinkawa 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. Shinkawa Electric Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 0003ED?
Any network device with a MAC address starting 00:03:ED was manufactured by or for Shinkawa Electric Co., Ltd..