Devices with MAC addresses that start with F4-5F-D4 were manufactured by Cisco SPVTG

Device Manufacturer
Cisco SPVTG

Manufacturer Location
5030 Sugarloaf Pkwy
Lawrenceville GA 30044

Estimated Devices using F4-5F-D4
16,256,250

Estimated Total Devices From Mfg
666,506,250