Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:37       24:19       31:11       37:33       41:253    
  46:19       50:24       62:19       63:51       64:240      65:62     
  66:185      67:97       68:40       69:137      70:14       71:1      
  72:48       74:201      75:1        76:47       77:18       78:5      
  79:12       80:14       81:38       82:7        83:19       84:14     
  85:47       86:6        87:6        88:1        89:40       91:85     
  92:8        93:50       94:11       95:6        96:26       97:3      
  98:18       99:151     102:14      107:48      108:227     109:24     
 173:142     174:2       176:13      177:9       178:5       179:13     
 181:2       184:14      185:186     186:4       187:8       188:28     
 190:17      191:28      197:340     201:8       203:1       208:223    
 209:294     212:174     213:35      216:330     217:34     
