Receiving      Start       End                CIDR 
Database       Address     Address            Block

ARIN           160.1.0.0 - 160.1.255.255      160.1.0.0/16
RIPE          171.16.0.0 - 171.33.255.255     171.16.0.0/12, 
                                              171.32.0.0/15
ARIN          171.64.0.0 - 171.67.255.255     171.64.0.0/14
ARIN          171.68.0.0 - 171.71.255.255     171.68.0.0/14
ARIN          171.72.0.0 - 171.72.255.255     171.72.0.0/16
ARIN          171.73.0.0 - 171.79.255.255     171.73.0.0/16, 
                                              171.74.0.0/15, 
                                              171.76.0.0/14
ARIN         171.128.0.0 - 171.206.255.255    171.128.0.0/10, 
                                              171.192.0.0/13, 
                                              171.200.0.0/14, 
                                              171.204.0.0/15, 
                                              171.206.0.0/16