Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:21       24:13       31:9        37:11       41:160    
  46:8        50:13       62:7        63:99       64:179      65:34     
  66:120      67:76       68:27       69:102      70:2        71:2      
  72:70       74:60       75:4        76:58       77:17       78:7      
  79:12       80:21       81:33       82:8        83:17       84:7      
  85:63       86:3        87:2        88:1        89:18       91:65     
  92:3        93:23       94:7        95:8        96:9        97:6      
  98:5       102:13      107:35      108:14      109:11      173:38     
 174:17      176:5       177:21      178:2       179:10      181:12     
 184:6       185:50      186:5       187:18      188:14      189:3      
 190:52      191:53      197:5       201:40      208:172     209:164    
 212:48      213:20      216:115     217:23     
