Who owns MAC prefix D040BE?

D040BE is registered to NPO RPS LLC in the IEEE MA-L registry.

What devices use D040BE?

Any network device with a MAC address starting D0:40:BE was manufactured by or for NPO RPS LLC.

MA-L · OUI prefix

NPO RPS LLC

Any MAC address starting D0:40:BE is registered to NPO RPS LLC in RU.

OUI prefix	D040BE
Vendor	NPO RPS LLC
Registry	MA-L (24-bit, large block)
Country	RU
Example MAC	D0:40:BE:00:00:00

What this means

The IEEE assigned the MA-L block D040BE to NPO RPS LLC. 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 D0:40:BE, it is NPO RPS LLC hardware.

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