Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:27       24:4        31:3        37:4        41:207    
  46:17       50:14       62:18       63:55       64:211      65:76     
  66:142      67:86       68:34       69:114      70:46       71:45     
  72:36       74:174      75:1        76:62       77:22       78:6      
  79:11       80:18       81:36       82:15       83:18       84:8      
  85:79       86:7        87:5        88:1        89:32       91:91     
  92:7        93:8        94:6        95:7        96:23       97:2      
  98:14       99:133     100:1       102:9       107:52      108:256    
 109:20      173:135     174:2       176:20      177:9       178:8      
 179:16      181:1       184:7       185:163     186:3       187:18     
 188:20      189:3       190:17      191:28      197:115     201:39     
 208:215     209:265     212:198     213:36      216:262     217:21     

