Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:19       24:4        31:8        37:4        41:106    
  46:7        50:4        62:12       63:41       64:76       65:10     
  66:77       67:56       68:15       69:49       70:2        71:1      
  72:23       74:58       76:51       77:20       78:6        79:11     
  80:21       81:33       82:17       83:16       84:11       85:46     
  86:7        87:1        89:18       91:75       92:2        93:7      
  94:5        95:6        96:8        97:3        98:2       100:1      
 102:45      107:17      108:15      109:16      173:9       176:12     
 177:18      178:5       179:13      181:1       184:2       185:74     
 186:3       187:17      188:14      189:3       190:19      191:28     
 197:112     201:39      208:117     209:162     212:182     213:20     
 216:97      217:23     
