Who owns MAC prefix C44F5F?

C44F5F is registered to Huawei Device Co., Ltd. in the IEEE MA-L registry.

What devices use C44F5F?

Any network device with a MAC address starting C4:4F:5F was manufactured by or for Huawei Device Co., Ltd..

MA-L · OUI prefix

Huawei Device Co., Ltd.

Any MAC address starting C4:4F:5F is registered to Huawei Device Co., Ltd. in CN.

OUI prefix	C44F5F
Vendor	Huawei Device Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	C4:4F:5F:00:00:00

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.

Other Huawei Device Co., Ltd. prefixes

Huawei Device Co., Ltd. holds 650 registered blocks in total.

003DE1 004B0D 00566D 006619 00682B 008320 008A55 0094EC 00A45F 00ADD5 00BB1C 00D8A2 all 650 »

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