Who owns MAC prefix AC3A7A?

AC3A7A is registered to Roku, Inc. in the IEEE MA-L registry.

What devices use AC3A7A?

Any network device with a MAC address starting AC:3A:7A was manufactured by or for Roku, Inc..

MA-L · OUI prefix

Roku, Inc.

Any MAC address starting AC:3A:7A is registered to Roku, Inc. in US.

OUI prefix	AC3A7A
Vendor	Roku, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	AC:3A:7A:00:00:00

What this means

The IEEE assigned the MA-L block AC3A7A to Roku, 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 AC:3A:7A, it is Roku, Inc. hardware.

Other Roku, Inc. prefixes

Roku, Inc. holds 30 registered blocks in total.

000D4B 080581 105932 20EFBD 345E08 5006F5 544EF0 6092C8 7C67AB 84EAED 88DEA9 8C4962 all 30 »

Look up another MAC