Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:23       24:3        31:1        37:31       41:253    
  46:6        50:8        62:6        63:40       64:64       65:13     
  66:86       67:53       68:18       69:46       70:3        72:19     
  74:64       76:31       77:16       78:5        79:7        80:10     
  81:35       82:5        83:16       84:6        85:39       86:6      
  87:1        89:25       91:58       93:18       94:2        95:6      
  96:8        97:2        98:2       102:2       107:14      108:12     
 109:14      173:5       174:1       176:5       177:7       179:10     
 185:29      186:3       187:3       188:18      190:16      191:28     
 197:178     201:2       208:45      209:115     212:80      213:12     
 216:73      217:6      
