Advertised prefixes smaller than registry allocations (per /8 block)
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   4:8         6:9        12:1078     13:16       15:31       16:16     
  17:17       20:45       24:1283     25:1        32:101      34:2      
  38:72       40:37       43:11       44:2        47:33       52:3      
  53:3        55:1        56:6        57:67       61:654      62:797    
  63:2476     64:2850     65:2833     66:4102     67:618      68:1861   
  69:917      80:599      81:341      82:180     128:215     129:377    
 130:95      131:150     132:58      133:2       134:294     135:22     
 136:221     137:165     138:229     139:108     140:220     141:245    
 142:218     143:110     144:160     145:102     146:435     147:137    
 148:564     149:137     150:190     151:142     152:541     153:106    
 154:3       155:239     156:102     157:104     158:218     159:225    
 160:125     161:167     162:476     163:136     164:408     165:359    
 166:247     167:315     168:356     169:156     170:520     171:37     
 192:12      193:3787    194:2844    195:2156    196:1       198:5      
 199:5       200:6       201:75      202:39      203:48      204:3      
 205:4       206:19      207:18      208:3462    209:3757    210:1704   
 211:871     212:1429    213:1647    215:2       216:4843    217:1134   
 218:318     219:206     220:401     221:40      222:10     
