Who owns MAC prefix DC3A5E?

DC3A5E is registered to Roku, Inc. in the IEEE MA-L registry.

What devices use DC3A5E?

Any network device with a MAC address starting DC:3A:5E was manufactured by or for Roku, Inc..

MA-L · OUI prefix

Roku, Inc.

Any MAC address starting DC:3A:5E is registered to Roku, Inc. in US.

OUI prefix	DC3A5E
Vendor	Roku, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	DC:3A:5E:00:00:00

What this means

The IEEE assigned the MA-L block DC3A5E 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 DC:3A:5E, 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 »

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