HunanGreatwa

Hunan Greatwall Galaxy Science and Technology Co.,Ltd. — 2 praefixum OUI

2 praefixum OUI

Praefixum OUI	MAC Range
10:81:B4	10:81:B4:00:00:00 ~ 10:81:B4:FF:FF:FF
50:58:B0	50:58:B0:00:00:00 ~ 50:58:B0:FF:FF:FF