Devices with MAC addresses that start with A4-91-B1 were manufactured by Technicolor

Device Manufacturer
Technicolor
Manufacturer Location
Prins Boudewijnlaan 47
Edegem - Belgium B-2650
Estimated Devices using A4-91-B1
16,256,250
Estimated Total Devices From Mfg
162,562,500
Related MAC Addresses
30-91-8F, 9C-97-26, D4-35-1D, 58-98-35, E0-B9-E5, C4-EA-1D, A4-B1-E9, 20-B0-01, 10-13-31