Advertised prefixes smaller than registry allocations (per /8 block)
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   4:2         6:10        9:4        12:1059     13:13       15:20     
  17:14       20:36       24:942      25:4        32:199      35:2      
  38:14       40:15       43:33       44:9        47:37       52:3      
  53:3        56:3        57:27       61:490      62:226      63:2533   
  64:1952     65:1622     66:1443     67:142      68:7        80:199    
  81:4       128:87      129:217     130:67      131:71      132:45     
 133:3       134:225     135:14      136:310     137:160     138:175    
 139:93      140:264     141:135     142:124     143:76      144:226    
 145:40      146:288     147:184     148:259     149:124     150:69     
 151:104     152:819     153:50      154:9       155:169     156:93     
 157:166     158:119     159:111     160:82      161:196     162:202    
 163:237     164:151     165:289     166:315     167:204     168:216    
 169:75      170:518     171:26      172:1       192:44      193:3003   
 194:2697    195:1059    196:2       198:10      199:3963    200:2972   
 202:4132    203:5667    204:4182    205:2688    206:3493    207:3415   
 208:4152    209:3899    210:918     211:516     212:1277    213:827    
 216:4536    217:562     218:41     
