164.132.0.0-164.132.63.255 164.132.0.0/18
164.132.64.0-164.132.79.255 164.132.64.0/20
164.132.80.0-164.132.87.255 164.132.80.0/21
164.132.88.0-164.132.89.255 164.132.88.0/23