52.211.166.0-52.211.167.255
52.211.166.0/23
52.211.168.0-52.211.175.255
52.211.168.0/21
52.211.176.0-52.211.191.255
52.211.176.0/20
52.211.192.0-52.211.223.255
52.211.192.0/19
52.211.224.0-52.211.239.255
52.211.224.0/20
52.211.240.0-52.211.247.255
52.211.240.0/21
52.211.248.0-52.211.251.255
52.211.248.0/22