104.168.161.50-104.168.161.51 104.168.161.50/31
104.168.161.52-104.168.161.55 104.168.161.52/30
104.168.161.56-104.168.161.63 104.168.161.56/29
104.168.161.64-104.168.161.127 104.168.161.64/26
104.168.161.128-104.168.161.255 104.168.161.128/25