142.111.37.28-142.111.37.31 142.111.37.28/30
142.111.37.32-142.111.37.63 142.111.37.32/27
142.111.37.64-142.111.37.127 142.111.37.64/26
142.111.37.128-142.111.37.255 142.111.37.128/25