Advertised prefixes smaller than registry allocations (per /8 block)
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   4:8         6:9        12:1043     13:16       15:31       16:16     
  17:18       20:46       24:1278     25:1        32:105      34:1      
  38:57       40:35       43:10       44:2        47:32       52:3      
  53:3        55:1        56:6        57:53       61:506      62:747    
  63:2470     64:2665     65:2655     66:3679     67:560      68:1616   
  69:706      80:581      81:289      82:96      128:128     129:367    
 130:122     131:137     132:49      133:2       134:236     135:22     
 136:224     137:169     138:132     139:80      140:202     141:241    
 142:176     143:111     144:132     145:106     146:417     147:130    
 148:483     149:135     150:173     151:139     152:524     153:97     
 154:3       155:220     156:91      157:108     158:196     159:213    
 160:110     161:148     162:483     163:122     164:220     165:347    
 166:242     167:304     168:328     169:137     170:526     171:41     
 193:3571    194:2768    195:2003    201:6       208:3624    209:3623   
 210:1442    211:655     212:1431    213:1451    216:4826    217:1046   
 218:257     219:169     220:236     221:28     
