Who owns MAC prefix 645422?

645422 is registered to Equinox Payments in the IEEE MA-L registry.

What devices use 645422?

Any network device with a MAC address starting 64:54:22 was manufactured by or for Equinox Payments.

MA-L · OUI prefix

Equinox Payments

Any MAC address starting 64:54:22 is registered to Equinox Payments in US.

OUI prefix	645422
Vendor	Equinox Payments
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	64:54:22:00:00:00

What this means

The IEEE assigned the MA-L block 645422 to Equinox Payments. 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 64:54:22, it is Equinox Payments hardware.

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