What this means
The IEEE assigned the MA-L block FC3F7C to HUAWEI TECHNOLOGIES CO.,LTD. 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 FC:3F:7C, it is HUAWEI TECHNOLOGIES CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix FC3F7C?
FC3F7C is registered to HUAWEI TECHNOLOGIES CO.,LTD 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. HUAWEI TECHNOLOGIES CO.,LTD's block covers 16,777,216 addresses.
What devices use FC3F7C?
Any network device with a MAC address starting FC:3F:7C was manufactured by or for HUAWEI TECHNOLOGIES CO.,LTD.