77.68.28.0-77.68.31.255 77.68.28.0/22
77.68.32.0-77.68.35.255 77.68.32.0/22
77.68.36.0-77.68.37.255 77.68.36.0/23
77.68.38.0-77.68.38.255 77.68.38.0/24