172.246.68.0-172.246.71.255 172.246.68.0/22
172.246.72.0-172.246.79.255 172.246.72.0/21
172.246.80.0-172.246.95.255 172.246.80.0/20
172.246.96.0-172.246.127.255 172.246.96.0/19
172.246.128.0-172.246.255.255 172.246.128.0/17