What this means
The IEEE assigned the MA-L block 0030ED to Expert Magnetics Corp.. 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 00:30:ED, it is Expert Magnetics Corp. hardware.
Frequently Asked Questions
Who owns MAC prefix 0030ED?
0030ED is registered to Expert Magnetics Corp. 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. Expert Magnetics Corp.'s block covers 16,777,216 addresses.
What devices use 0030ED?
Any network device with a MAC address starting 00:30:ED was manufactured by or for Expert Magnetics Corp..