Who owns MAC prefix 544EF0?

544EF0 is registered to Roku, Inc in the IEEE MA-L registry.

What devices use 544EF0?

Any network device with a MAC address starting 54:4E:F0 was manufactured by or for Roku, Inc.

MA-L · OUI prefix

Roku, Inc

Any MAC address starting 54:4E:F0 is registered to Roku, Inc in US.

OUI prefix	544EF0
Vendor	Roku, Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	54:4E:F0:00:00:00

What this means

The IEEE assigned the MA-L block 544EF0 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 54:4E:F0, it is Roku, Inc hardware.

Other Roku, Inc prefixes

Roku, Inc holds 30 registered blocks in total.

000D4B 080581 105932 20EFBD 345E08 5006F5 6092C8 7C67AB 84EAED 88DEA9 8C4962 9CF1D4 all 30 »

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