Advertised prefixes smaller than registry allocations (per /8 block)
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   4:8         6:9        12:1121     13:16       15:31       16:16     
  17:16       20:46       24:1268     25:1        32:289      34:2      
  38:72       40:36       43:8        44:2        47:31       52:3      
  53:3        55:1        56:6        57:88       61:630      62:821    
  63:2473     64:2849     65:2824     66:4091     67:619      68:1853   
  69:918      80:618      81:387      82:180     128:230     129:378    
 130:108     131:146     132:57      133:2       134:310     135:22     
 136:250     137:165     138:251     139:165     140:239     141:248    
 142:208     143:109     144:158     145:105     146:446     147:137    
 148:576     149:138     150:192     151:142     152:534     153:106    
 154:3       155:242     156:102     157:98      158:217     159:224    
 160:128     161:169     162:476     163:141     164:401     165:361    
 166:242     167:315     168:398     169:154     170:519     171:36     
 192:15      193:3870    194:2890    195:2317    198:30      199:6      
 200:7       201:75      202:74      203:216     204:43      205:1      
 206:36      207:14      208:3460    209:3664    210:1649    211:725    
 212:1489    213:1673    215:2       216:4841    217:1174    218:270    
 219:167     220:330     221:31      222:9      
