Devices with MAC addresses that start with 34-40-B5 were manufactured by IBM

Device Manufacturer
IBM
Manufacturer Location
3039 E Cornwallis Rd
Research Triangle Park NC 27709
Estimated Devices using 34-40-B5
16,256,250
Estimated Total Devices From Mfg
65,025,000
Related MAC Addresses
A8-97-DC, 98-BE-94, 40-F2-E9