What this means
The IEEE assigned the MA-S block 8C1F64F74 to GE AVIC Civil Avionics Systems Company Limited. 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 8C:1F:64:F7:4, it is GE AVIC Civil Avionics Systems Company Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 8C1F64F74?
8C1F64F74 is registered to GE AVIC Civil Avionics Systems Company Limited in the IEEE MA-S registry.
What does the MA-S registry type mean?
An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. GE AVIC Civil Avionics Systems Company Limited's block covers 4,096 addresses.
What devices use 8C1F64F74?
Any network device with a MAC address starting 8C:1F:64:F7:4 was manufactured by or for GE AVIC Civil Avionics Systems Company Limited.