Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:36       24:10       31:10       37:32       41:241    
  46:15       50:25       62:18       63:51       64:223      65:66     
  66:178      67:92       68:38       69:130      70:28       71:8      
  72:44       74:196      75:1        76:47       77:23       78:6      
  79:15       80:13       81:38       82:8        83:19       84:7      
  85:47       86:7        87:6        88:1        89:39       91:80     
  92:8        93:50       94:10       95:6        96:26       97:3      
  98:16       99:168     102:15      107:45      108:252     109:24     
 173:138     174:3       176:13      177:8       178:7       179:13     
 181:2       184:9       185:176     186:4       187:24      188:28     
 190:18      191:28      197:351     201:25      203:1       208:205    
 209:294     212:180     213:35      216:317     217:33     
