Advertised prefixes smaller than registry allocations (per /8 block)
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   4:6         6:9        12:1003     13:15       15:28       16:9      
  17:22       20:46       24:1293     25:2        32:222      34:1      
  38:56       40:31       43:3        44:2        47:33       52:3      
  53:3        56:5        57:94       61:485      62:654      63:2525   
  64:2779     65:3039     66:3741     67:618      68:1524     69:490    
  80:508      81:226      82:18      128:227     129:286     130:124    
 131:124     132:35      133:2       134:300     135:12      136:164    
 137:165     138:194     139:139     140:236     141:219     142:188    
 143:106     144:172     145:52      146:478     147:109     148:465    
 149:109     150:149     151:124     152:517     153:99      154:7      
 155:233     156:74      157:86      158:180     159:206     160:114    
 161:203     162:519     163:142     164:407     165:354     166:209    
 167:391     168:365     169:127     170:533     171:40      192:17     
 193:3628    194:2790    195:1773    198:32      199:12      200:52     
 202:46      203:176     204:22      205:2       206:25      207:17     
 208:3820    209:3720    210:1286    211:503     212:1561    213:1435   
 216:4754    217:927     218:175     219:142     220:216     221:17     

