What this means
The IEEE assigned the MA-L block 045747 to GoPro. 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 04:57:47, it is GoPro hardware.
Frequently Asked Questions
Who owns MAC prefix 045747?
045747 is registered to GoPro 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. GoPro's block covers 16,777,216 addresses.
What devices use 045747?
Any network device with a MAC address starting 04:57:47 was manufactured by or for GoPro.