QingdaoCNRHI

Qingdao CNR HITACH Railway Signal&communication co.,ltd — 1 префикс(ов) OUI

1 префикс(ов) OUI

Префикс OUI	MAC Range
70:B3:D5:80:20	70:B3:D5:80:20:00:00:00 ~ 70:B3:D5:80:20:FF:FF:FF