Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:21       24:4        31:8        37:4        41:140    
  46:12       50:11       62:16       63:51       64:161      65:30     
  66:90       67:76       68:24       69:79       70:30       71:9      
  72:35       74:89       76:53       77:19       78:7        79:11     
  80:27       81:33       82:15       83:16       84:4        85:77     
  86:8        87:2        88:1        89:20       91:83       92:1      
  93:7        94:9        95:10       96:10       97:2        98:14     
  99:76      102:24      107:17      108:31      109:19      173:27     
 174:1       176:17      177:23      178:8       179:12      181:1      
 184:2       185:94      186:5       187:19      188:15      189:3      
 190:36      191:53      197:144     201:40      208:160     209:151    
 212:201     213:32      216:169     217:21     
