Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:27       24:4        31:1        37:14       41:237    
  46:6        50:5        62:9        63:41       64:66       65:10     
  66:73       67:52       68:16       69:48       70:2        71:1      
  72:24       74:65       76:41       77:25       78:6        79:11     
  80:20       81:33       82:15       83:20       84:8        85:83     
  86:7        87:1        89:18       91:69       92:3        93:18     
  94:2        95:6        96:8        97:2        98:2       100:1      
 102:15      107:3       108:13      109:11      173:8       176:6      
 177:10      178:1       179:14      181:1       184:2       185:66     
 186:3       187:23      188:15      189:3       190:35      191:28     
 197:334     201:38      208:107     209:189     212:165     213:14     
 216:110     217:18     
