What this means
The IEEE assigned the MA-L block C44F5F to Huawei Device 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 C4:4F:5F, it is Huawei Device Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix C44F5F?
C44F5F is registered to Huawei Device 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 Device Co., Ltd.'s block covers 16,777,216 addresses.
What devices use C44F5F?
Any network device with a MAC address starting C4:4F:5F was manufactured by or for Huawei Device Co., Ltd..