Devices with MAC addresses that start with A4-A2-4A were manufactured by Cisco SPVTG

Device Manufacturer
Cisco SPVTG

Manufacturer Location
5030 Sugarloaf Parkway
Lawrenceville GA 30044

Estimated Devices using A4-A2-4A
16,256,250

Estimated Total Devices From Mfg
666,506,250