Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:37       24:19       31:10       37:33       41:248    
  46:19       50:25       62:19       63:51       64:240      65:63     
  66:184      67:96       68:38       69:137      70:14       71:1      
  72:48       74:202      75:1        76:48       77:18       78:5      
  79:12       80:14       81:38       82:7        83:19       84:14     
  85:46       86:6        87:6        88:1        89:40       91:82     
  92:5        93:50       94:11       95:6        96:26       97:3      
  98:18       99:155     102:13      107:48      108:229     109:25     
 173:143     174:2       176:13      177:9       178:5       179:13     
 181:2       184:9       185:188     186:4       187:9       188:28     
 190:17      191:28      197:335     201:8       203:1       208:226    
 209:297     212:174     213:35      216:331     217:34     
