What this means
The IEEE assigned the MA-L block 00301C to ALTVATER AIRDATA SYSTEMS. 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 00:30:1C, it is ALTVATER AIRDATA SYSTEMS hardware.
Frequently Asked Questions
Who owns MAC prefix 00301C?
00301C is registered to ALTVATER AIRDATA SYSTEMS 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. ALTVATER AIRDATA SYSTEMS's block covers 16,777,216 addresses.
What devices use 00301C?
Any network device with a MAC address starting 00:30:1C was manufactured by or for ALTVATER AIRDATA SYSTEMS.