3.81.165.0-3.81.165.255
3.81.165.0/24
3.81.166.0-3.81.167.255
3.81.166.0/23
3.81.168.0-3.81.175.255
3.81.168.0/21
3.81.176.0-3.81.191.255
3.81.176.0/20
3.81.192.0-3.81.255.255
3.81.192.0/18
3.82.0.0-3.82.63.255
3.82.0.0/18
3.82.64.0-3.82.79.255
3.82.64.0/20
3.82.80.0-3.82.81.255
3.82.80.0/23