CrystalGroup

Crystal Group, Inc. — 2 praefixum OUI

2 praefixum OUI

Praefixum OUI	MAC Range
00:91:D6	00:91:D6:00:00:00 ~ 00:91:D6:FF:FF:FF
00:90:D6	00:90:D6:00:00:00 ~ 00:90:D6:FF:FF:FF