160.16.176.0-160.16.191.255 160.16.176.0/20
160.16.192.0-160.16.223.255 160.16.192.0/19
160.16.224.0-160.16.239.255 160.16.224.0/20
160.16.240.0-160.16.243.255 160.16.240.0/22
160.16.244.0-160.16.245.255 160.16.244.0/23