Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:26       24:4        31:10       37:4        41:234    
  46:17       50:13       62:19       63:52       64:214      65:66     
  66:131      67:82       68:32       69:98       70:47       71:47     
  72:36       74:167      76:62       77:22       78:6        79:11     
  80:20       81:33       82:17       83:18       84:16       85:52     
  86:7        87:4        88:1        89:27       91:88       92:7      
  93:7        94:9        95:6        96:22       97:3        98:15     
  99:135     100:1       102:46      107:50      108:254     109:18     
 173:136     174:2       176:19      177:18      178:8       179:14     
 181:1       184:3       185:163     186:3       187:17      188:22     
 189:3       190:18      191:28      197:326     201:39      208:199    
 209:234     212:190     213:33      216:222     217:26     
