Who owns MAC prefix 8C1F64C99?

8C1F64C99 is registered to Vinfast Trading and Production JSC in the IEEE MA-S registry.

What devices use 8C1F64C99?

Any network device with a MAC address starting 8C:1F:64:C9:9 was manufactured by or for Vinfast Trading and Production JSC.

MA-S · OUI prefix

Vinfast Trading and Production JSC

Any MAC address starting 8C:1F:64:C9:9 is registered to Vinfast Trading and Production JSC in VN.

OUI prefix	8C1F64C99
Vendor	Vinfast Trading and Production JSC
Registry	MA-S (36-bit, small block)
Country	VN
Example MAC	8C:1F:64:C9:9:00:00:00

What this means

The IEEE assigned the MA-S block 8C1F64C99 to Vinfast Trading and Production JSC. 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:C9:9, it is Vinfast Trading and Production JSC hardware.

Other Vinfast Trading and Production JSC prefixes

Vinfast Trading and Production JSC holds 3 registered blocks in total.

8C1F64F80 A44F3E7

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