Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:27       24:4        31:5        37:14       41:251    
  46:17       50:16       62:18       63:55       64:209      65:67     
  66:132      67:91       68:34       69:115      70:45       71:44     
  72:37       74:175      75:1        76:62       77:28       78:6      
  79:11       80:20       81:34       82:15       83:18       84:8      
  85:65       86:7        87:5        88:1        89:32       91:90     
  92:9        93:17       94:7        95:7        96:23       97:2      
  98:14       99:133     100:1       102:10      107:43      108:263    
 109:20      173:137     174:2       176:20      177:10      178:8      
 179:15      181:1       184:9       185:168     186:3       187:20     
 188:20      189:3       190:18      191:28      197:310     201:38     
 208:209     209:261     212:196     213:39      216:265     217:20     

