Advertised prefixes smaller than registry allocations (per /8 block)
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   3:1         6:10        9:4        12:712      13:13       15:20     
  17:16       20:34       24:1005     25:4        32:84       35:2      
  38:11       40:15       43:39       44:9        47:35       52:3      
  53:3        56:3        57:35       61:551      62:248      63:2541   
  64:2121     65:1753     66:1674     67:256      68:11       80:252    
  81:7       128:92      129:218     130:68      131:66      132:39     
 133:5       134:218     135:12      136:312     137:154     138:169    
 139:97      140:267     141:128     142:149     143:78      144:219    
 145:45      146:290     147:212     148:264     149:128     150:74     
 151:108     152:753     153:51      154:8       155:176     156:92     
 157:164     158:131     159:145     160:80      161:196     162:250    
 163:207     164:150     165:308     166:304     167:228     168:213    
 169:78      170:517     171:25      172:4       192:46      193:3021   
 194:2786    195:1035    196:2       198:22      199:3948    200:3026   
 202:4305    203:5701    204:4202    205:2704    206:3391    207:3427   
 208:4102    209:3803    210:954     211:493     212:1262    213:849    
 216:4482    217:590     218:57     
