What this means
The IEEE assigned the MA-L block 00302F to GE Aviation System. 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 00:30:2F, it is GE Aviation System hardware.
Frequently Asked Questions
Who owns MAC prefix 00302F?
00302F is registered to GE Aviation System 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. GE Aviation System's block covers 16,777,216 addresses.
What devices use 00302F?
Any network device with a MAC address starting 00:30:2F was manufactured by or for GE Aviation System.