Who owns MAC prefix EC9B75?

EC9B75 is registered to Roku, Inc in the IEEE MA-L registry.

What devices use EC9B75?

Any network device with a MAC address starting EC:9B:75 was manufactured by or for Roku, Inc.

MA-L · OUI prefix

Roku, Inc

Any MAC address starting EC:9B:75 is registered to Roku, Inc in US.

OUI prefix	EC9B75
Vendor	Roku, Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	EC:9B:75:00:00:00

What this means

The IEEE assigned the MA-L block EC9B75 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 EC:9B:75, 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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