50.18.0.0-50.18.127.255 50.18.0.0/17
50.18.128.0-50.18.191.255 50.18.128.0/18
50.18.192.0-50.18.223.255 50.18.192.0/19
50.18.224.0-50.18.231.255 50.18.224.0/21
50.18.232.0-50.18.235.255 50.18.232.0/22
50.18.236.0-50.18.237.255 50.18.236.0/23
50.18.238.0-50.18.238.255 50.18.238.0/24