Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:22       24:4        31:1        37:31       41:244    
  46:6        50:6        62:7        63:36       64:64       65:11     
  66:86       67:53       68:19       69:45       70:3        71:1      
  72:19       74:63       76:36       77:25       78:6        79:10     
  80:17       81:37       82:15       83:15       84:6        85:80     
  86:9        87:1        89:24       91:64       92:2        93:18     
  94:2        95:6        96:8        97:2        98:2       102:5      
 107:1       108:11      109:10      173:5       176:5       177:7      
 179:10      185:32      186:3       187:18      188:19      190:17     
 191:28      197:186     201:19      208:48      209:109     212:81     
 213:12      216:62      217:7      
