What this means
The IEEE assigned the MA-L block 14307A to Avermetrics. 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 14:30:7A, it is Avermetrics hardware.
Frequently Asked Questions
Who owns MAC prefix 14307A?
14307A is registered to Avermetrics 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. Avermetrics's block covers 16,777,216 addresses.
What devices use 14307A?
Any network device with a MAC address starting 14:30:7A was manufactured by or for Avermetrics.