Advertised prefixes smaller than registry allocations (per /8 block)
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   4:14        6:11        8:137       9:1        12:3321     13:27     
  15:83       16:16       17:34       18:14       20:143      24:1935   
  25:2        32:111      33:3        34:8        38:452      40:166    
  41:386      43:19       44:2        47:45       52:12       53:1      
  55:113      56:9        57:112      58:647      59:722      60:516    
  61:1542     62:1411     63:2865     64:4616     65:3498     66:5643   
  67:1657     68:1944     69:3168     70:1106     71:340      72:2495   
  73:22       74:1622     75:560      76:292      77:521      78:294    
  79:6        80:1247     81:1116     82:943      83:580      84:834    
  85:1189     86:461      87:869      88:467      89:1547     90:44     
  97:20       98:10      116:525     117:301     118:254     121:527    
 122:1077    123:467     124:1050    125:1644    128:431     129:451    
 130:265     131:501     132:102     133:30      134:340     135:65     
 136:224     137:167     138:283     139:202     140:709     141:328    
 142:743     143:381     144:534     145:125     146:498     147:263    
 148:748     149:341     150:192     151:249     152:160     153:198    
 154:19      155:417     156:302     157:328     158:281     159:342    
 160:247     161:211     162:284     163:311     164:613     165:812    
 166:527     167:475     168:799     169:184     170:727     171:60     
 172:3       189:303     190:1909    192:12      196:8       198:17     
 199:17      200:37      201:2483    202:30      203:76      204:105    
 205:3       206:34      207:76      208:3442    209:4580    210:3761   
 211:2045    212:1943    213:2268    216:5685    217:1703    218:659    
 219:698     220:1644    221:585     222:689    
