Advertised prefixes smaller than registry allocations (per /8 block)
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   4:8         6:9         9:1        12:1112     13:16       15:37     
  16:14       17:17       20:61       24:1263     25:1        32:123    
  33:1        34:1        38:87       40:134      43:11       44:3      
  47:33       52:3        53:3        55:57       56:8        57:66     
  61:677      62:819      63:2497     64:2912     65:2939     66:4427   
  67:704      68:1730     69:1169     70:76       80:650      81:458    
  82:315      83:187      85:1        86:1        87:1        88:1      
 128:122     129:292     130:101     131:266     132:55      133:2      
 134:268     135:28      136:223     137:142     138:151     139:112    
 140:214     141:225     142:230     143:110     144:182     145:109    
 146:427     147:143     148:673     149:188     150:150     151:154    
 152:434     153:110     154:3       155:191     156:129     157:103    
 158:219     159:241     160:119     161:167     162:481     163:126    
 164:258     165:339     166:253     167:331     168:384     169:155    
 170:517     171:35      193:3995    194:2846    195:2195    196:611    
 201:76      208:3222    209:3735    210:1955    211:902     212:1507   
 213:1770    216:4980    217:1284    218:319     219:233     220:442    
 221:40      222:70     
