3.19.68.0-3.19.71.255 3.19.68.0/22
3.19.72.0-3.19.79.255 3.19.72.0/21
3.19.80.0-3.19.95.255 3.19.80.0/20
3.19.96.0-3.19.127.255 3.19.96.0/19
3.19.128.0-3.19.255.255 3.19.128.0/17
3.20.0.0-3.20.127.255 3.20.0.0/17
3.20.128.0-3.20.129.255 3.20.128.0/23