What this means
The IEEE assigned the MA-L block C43DC7 to NETGEAR. 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 C4:3D:C7, it is NETGEAR hardware.
Frequently Asked Questions
Who owns MAC prefix C43DC7?
C43DC7 is registered to NETGEAR 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. NETGEAR's block covers 16,777,216 addresses.
What devices use C43DC7?
Any network device with a MAC address starting C4:3D:C7 was manufactured by or for NETGEAR.