Advertised prefixes smaller than registry allocations (per /8 block)
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   4:13        6:10        8:17       12:1984     13:16       15:41     
  16:13       17:23       18:3        20:67       24:1376     25:1      
  30:1        32:93       33:3        34:2        38:116      40:138    
  43:11       44:3        47:41       52:6        53:3        55:108    
  56:9        57:103      59:1        60:18       61:1116     62:820    
  63:2526     64:3580     65:3124     66:4566     67:1049     68:1716   
  69:1692     70:208      71:20       72:60       80:718      81:793    
  82:582      83:340      84:133      85:54      128:194     129:295    
 130:154     131:296     132:81      133:3       134:298     135:42     
 136:261     137:129     138:273     139:131     140:285     141:224    
 142:291     143:218     144:293     145:113     146:438     147:174    
 148:556     149:227     150:156     151:139     152:231     153:126    
 154:4       155:261     156:133     157:127     158:239     159:264    
 160:158     161:181     162:499     163:147     164:317     165:363    
 166:291     167:350     168:595     169:182     170:579     171:40     
 172:2       192:49      193:4348    194:3195    195:2518    196:1      
 198:13      199:5       200:19      201:244     202:65      203:28     
 204:6       206:53      207:10      208:3075    209:3993    210:2380   
 211:1350    212:1683    213:1902    216:5300    217:1493    218:389    
 219:293     220:671     221:177     222:135    
