52.0.79.0-52.0.79.255
52.0.79.0/24
52.0.80.0-52.0.95.255
52.0.80.0/20
52.0.96.0-52.0.127.255
52.0.96.0/19
52.0.128.0-52.0.191.255
52.0.128.0/18
52.0.192.0-52.0.223.255
52.0.192.0/19
52.0.224.0-52.0.239.255
52.0.224.0/20
52.0.240.0-52.0.247.255
52.0.240.0/21
52.0.248.0-52.0.251.255
52.0.248.0/22