188.168.212.0-188.168.215.255 188.168.212.0/22
188.168.216.0-188.168.223.255 188.168.216.0/21
188.168.224.0-188.168.239.255 188.168.224.0/20
188.168.240.0-188.168.247.255 188.168.240.0/21