162.0.232.30-162.0.232.31 162.0.232.30/31
162.0.232.32-162.0.232.63 162.0.232.32/27
162.0.232.64-162.0.232.127 162.0.232.64/26
162.0.232.128-162.0.232.255 162.0.232.128/25