What this means
The IEEE assigned the MA-L block 30ECA3 to Alfatron Electronics INC. 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 30:EC:A3, it is Alfatron Electronics INC hardware.
Frequently Asked Questions
Who owns MAC prefix 30ECA3?
30ECA3 is registered to Alfatron Electronics INC 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. Alfatron Electronics INC's block covers 16,777,216 addresses.
What devices use 30ECA3?
Any network device with a MAC address starting 30:EC:A3 was manufactured by or for Alfatron Electronics INC.