Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:21       24:4        31:8        37:4        41:119    
  46:13       50:14       62:19       63:51       64:166      65:68     
  66:111      67:77       68:26       69:93       70:29       71:49     
  72:35       74:93       76:58       77:22       78:7        79:11     
  80:26       81:34       82:17       83:16       84:11       85:75     
  86:15       87:2        88:1        89:21       91:83       92:2      
  93:7        94:9        95:6        96:21       97:3        98:14     
  99:135     100:1       102:22      107:18      108:170     109:18     
 173:31      174:2       176:18      177:20      178:7       179:12     
 181:1       184:4       185:114     186:3       187:17      188:16     
 189:3       190:20      191:53      197:161     201:40      208:164    
 209:155     212:197     213:34      216:189     217:23     
