Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:20       24:4        31:8        37:11       41:137    
  46:8        50:5        62:7        63:40       64:76       65:8      
  66:74       67:57       68:14       69:45       70:2        71:1      
  72:25       74:28       76:44       77:16       78:6        79:11     
  80:27       81:33       82:8        83:16       84:5        85:73     
  86:6        87:1        88:1        89:18       91:74       93:14     
  94:5        95:10       96:7        97:2        98:2       102:22     
 107:18      108:14      109:17      173:8       176:12      177:23     
 178:5       179:11      181:1       184:4       185:56      186:5      
 187:19      188:14      189:5       190:36      191:50      197:124    
 201:40      208:107     209:133     212:194     213:21      216:97     
 217:20     
