Advertised prefixes smaller than registry allocations (per /8 block)
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   6:9         9:3        12:899      13:5        15:32       16:4      
  17:15       20:37       24:1245     25:4        32:137      33:1      
  34:1        38:37       40:26       43:33       44:9        47:38     
  52:3        53:3        55:1        56:5        57:48       61:488    
  62:630      63:2664     64:2324     65:2728     66:2982     67:514    
  68:882      69:129      80:410      81:126     128:92      129:294    
 130:78      131:81      132:34      133:3       134:214     135:10     
 136:544     137:185     138:220     139:195     140:193     141:193    
 142:167     143:97      144:210     145:54      146:329     147:318    
 148:417     149:125     150:81      151:156     152:658     153:56     
 154:8       155:183     156:63      157:113     158:172     159:200    
 160:75      161:197     162:241     163:150     164:151     165:311    
 166:124     167:348     168:488     169:83      170:469     171:34     
 192:1       193:3467    194:2771    195:1296    199:1       200:4360   
 202:73      203:154     208:3912    209:3529    210:1079    211:519    
 212:1350    213:1189    216:4609    217:697     218:155     219:25     
 220:77     
