Who owns MAC prefix 647657?

647657 is registered to Innovative Security Designs in the IEEE MA-L registry.

What devices use 647657?

Any network device with a MAC address starting 64:76:57 was manufactured by or for Innovative Security Designs.

MA-L · OUI prefix

Innovative Security Designs

Any MAC address starting 64:76:57 is registered to Innovative Security Designs in US.

OUI prefix	647657
Vendor	Innovative Security Designs
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	64:76:57:00:00:00

What this means

The IEEE assigned the MA-L block 647657 to Innovative Security Designs. 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 64:76:57, it is Innovative Security Designs hardware.

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