Who owns MAC prefix B44BD66?

B44BD66 is registered to Perspicace Intellegince Technology in the IEEE MA-M registry.

What devices use B44BD66?

Any network device with a MAC address starting B4:4B:D6:6 was manufactured by or for Perspicace Intellegince Technology.

MA-M · OUI prefix

Perspicace Intellegince Technology

Any MAC address starting B4:4B:D6:6 is registered to Perspicace Intellegince Technology in CN.

OUI prefix	B44BD66
Vendor	Perspicace Intellegince Technology
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	B4:4B:D6:6:00:00:00

What this means

The IEEE assigned the MA-M block B44BD66 to Perspicace Intellegince Technology. 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 B4:4B:D6:6, it is Perspicace Intellegince Technology hardware.

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