92.50.192.0-92.50.223.255 92.50.192.0/19
92.50.224.0-92.50.239.255 92.50.224.0/20
92.50.240.0-92.50.243.255 92.50.240.0/22
92.50.244.0-92.50.245.255 92.50.244.0/23