Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:39       24:20       31:10       37:33       41:254    
  46:20       50:27       62:19       63:55       64:237      65:65     
  66:183      67:96       68:39       69:137      70:14       71:1      
  72:49       74:207      75:4        76:48       77:18       78:5      
  79:13       80:14       81:38       82:7        83:19       84:14     
  85:46       86:6        87:6        88:1        89:40       91:80     
  92:5        93:50       94:11       95:7        96:26       97:3      
  98:19       99:166     102:15      107:58      108:227     109:27     
 173:146     174:3       176:13      177:10      178:5       179:13     
 181:2       184:9       185:191     186:4       187:11      188:28     
 190:17      191:28      197:341     201:7       203:1       208:228    
 209:292     212:175     213:35      216:335     217:34     
