Advertised prefixes smaller than registry allocations (per /8 block)
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   4:8         6:9        12:1111     13:16       15:31       16:16     
  17:16       20:47       24:1306     25:1        32:270      34:1      
  38:59       40:35       43:7        44:2        47:32       52:3      
  53:3        55:1        56:6        57:87       61:582      62:796    
  63:2454     64:2766     65:2727     66:3972     67:583      68:1822   
  69:790      80:606      81:388      82:147     128:234     129:392    
 130:128     131:142     132:57      133:1       134:308     135:23     
 136:187     137:186     138:246     139:153     140:239     141:249    
 142:206     143:108     144:152     145:103     146:445     147:144    
 148:491     149:133     150:185     151:142     152:530     153:106    
 154:3       155:254     156:102     157:106     158:203     159:219    
 160:117     161:164     162:472     163:124     164:412     165:345    
 166:247     167:314     168:379     169:140     170:522     171:35     
 192:13      193:3748    194:2857    195:2196    198:28      199:6      
 200:9       201:13      202:69      203:219     204:45      205:1      
 206:29      207:14      208:3545    209:3661    210:1516    211:674    
 212:1471    213:1637    215:4       216:4831    217:1129    218:225    
 219:166     220:302     221:35      222:2      
