172.105.161.0-172.105.161.255 172.105.161.0/24
172.105.162.0-172.105.163.255 172.105.162.0/23
172.105.164.0-172.105.167.255 172.105.164.0/22
172.105.168.0-172.105.175.255 172.105.168.0/21
172.105.176.0-172.105.191.255 172.105.176.0/20