Who owns MAC prefix 34D7F5B?

34D7F5B is registered to Resnics Technology (Shanghai), lnc. in the IEEE MA-M registry.

What devices use 34D7F5B?

Any network device with a MAC address starting 34:D7:F5:B was manufactured by or for Resnics Technology (Shanghai), lnc..

MA-M · OUI prefix

Resnics Technology (Shanghai), lnc.

Any MAC address starting 34:D7:F5:B is registered to Resnics Technology (Shanghai), lnc. in CN.

OUI prefix	34D7F5B
Vendor	Resnics Technology (Shanghai), lnc.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	34:D7:F5:B:00:00:00

What this means

The IEEE assigned the MA-M block 34D7F5B to Resnics Technology (Shanghai), lnc.. 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 34:D7:F5:B, it is Resnics Technology (Shanghai), lnc. hardware.

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