Who owns MAC prefix D81F12?

D81F12 is registered to Tuya Smart Inc. in the IEEE MA-L registry.

What devices use D81F12?

Any network device with a MAC address starting D8:1F:12 was manufactured by or for Tuya Smart Inc..

MA-L · OUI prefix

Tuya Smart Inc.

Any MAC address starting D8:1F:12 is registered to Tuya Smart Inc. in US.

OUI prefix	D81F12
Vendor	Tuya Smart Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	D8:1F:12:00:00:00

What this means

The IEEE assigned the MA-L block D81F12 to Tuya Smart Inc.. 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 D8:1F:12, it is Tuya Smart Inc. hardware.

Other Tuya Smart Inc. prefixes

Tuya Smart Inc. holds 42 registered blocks in total.

00337A 105A17 10D561 1869D8 18DE50 1C90FF 20F1B2 2CB471 30487D 381F8D 382CE5 38A5C9 all 42 »

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