Advertised prefixes smaller than registry allocations (per /8 block)
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   4:5         6:9        12:988      13:15       15:28       16:11     
  17:23       20:43       24:1244     25:2        32:100      34:1      
  38:65       40:32       43:11       44:2        47:34       52:3      
  53:3        55:1        56:5        57:87       61:529      62:718    
  63:2532     64:2860     65:3128     66:4048     67:835      68:2120   
  69:594      80:542      81:316      82:51      128:242     129:273    
 130:115     131:143     132:51      133:2       134:275     135:15     
 136:231     137:196     138:214     139:128     140:243     141:241    
 142:202     143:110     144:154     145:56      146:474     147:134    
 148:475     149:134     150:179     151:135     152:520     153:100    
 154:10      155:247     156:89      157:108     158:202     159:220    
 160:118     161:198     162:460     163:126     164:404     165:342    
 166:217     167:391     168:310     169:141     170:532     171:41     
 192:17      193:3545    194:2749    195:1815    198:9       199:12     
 200:51      202:57      203:49      204:5       205:4       206:9      
 207:14      208:3862    209:3713    210:1448    211:705     212:1474   
 213:1479    216:4807    217:990     218:243     219:132     220:267    
 221:21      222:1      
