Who owns MAC prefix 6433B55?

6433B55 is registered to Revo Smart Technologies co.,limited in the IEEE MA-M registry.

What devices use 6433B55?

Any network device with a MAC address starting 64:33:B5:5 was manufactured by or for Revo Smart Technologies co.,limited.

MA-M · OUI prefix

Revo Smart Technologies co.,limited

Any MAC address starting 64:33:B5:5 is registered to Revo Smart Technologies co.,limited in CN.

OUI prefix	6433B55
Vendor	Revo Smart Technologies co.,limited
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	64:33:B5:5:00:00:00

What this means

The IEEE assigned the MA-M block 6433B55 to Revo Smart Technologies co.,limited. 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 64:33:B5:5, it is Revo Smart Technologies co.,limited hardware.

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