148.72.0.0-148.72.31.255 148.72.0.0/19
148.72.32.0-148.72.39.255 148.72.32.0/21
148.72.40.0-148.72.43.255 148.72.40.0/22
148.72.44.0-148.72.45.255 148.72.44.0/23