Devices with MAC addresses that start with 00-22-57 were manufactured by 3COM EUROPE LTD

Device Manufacturer
3COM EUROPE LTD

Manufacturer Location
Peoplebuilding 2
Hemel Hempstead HERTS. HP2 4NW

Estimated Devices using 00-22-57
16,256,250

Estimated Total Devices From Mfg
195,075,000