Who owns MAC prefix 5491AF2?

5491AF2 is registered to SHENZHEN SANMI INTELLIGENT CO.,LTD in the IEEE MA-M registry.

What devices use 5491AF2?

Any network device with a MAC address starting 54:91:AF:2 was manufactured by or for SHENZHEN SANMI INTELLIGENT CO.,LTD.

MA-M · OUI prefix

SHENZHEN SANMI INTELLIGENT CO.,LTD

Any MAC address starting 54:91:AF:2 is registered to SHENZHEN SANMI INTELLIGENT CO.,LTD in CN.

OUI prefix	5491AF2
Vendor	SHENZHEN SANMI INTELLIGENT CO.,LTD
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	54:91:AF:2:00:00:00

What this means

The IEEE assigned the MA-M block 5491AF2 to SHENZHEN SANMI INTELLIGENT CO.,LTD. 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 54:91:AF:2, it is SHENZHEN SANMI INTELLIGENT CO.,LTD hardware.

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