Who owns MAC prefix 000D4B?

000D4B is registered to Roku, Inc. in the IEEE MA-L registry.

What devices use 000D4B?

Any network device with a MAC address starting 00:0D:4B was manufactured by or for Roku, Inc..

MA-L · OUI prefix

Roku, Inc.

Any MAC address starting 00:0D:4B is registered to Roku, Inc. in US.

OUI prefix	000D4B
Vendor	Roku, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:0D:4B:00:00:00

What this means

The IEEE assigned the MA-L block 000D4B 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 00:0D:4B, it is Roku, Inc. hardware.

Other Roku, Inc. prefixes

Roku, Inc. holds 30 registered blocks in total.

080581 105932 20EFBD 345E08 5006F5 544EF0 6092C8 7C67AB 84EAED 88DEA9 8C4962 9CF1D4 all 30 »

Look up another MAC