Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:38       24:19       31:13       37:33       41:247    
  46:19       50:27       62:19       63:51       64:236      65:56     
  66:183      67:97       68:42       69:136      70:14       71:1      
  72:48       74:201      75:1        76:57       77:18       78:5      
  79:11       80:14       81:38       82:8        83:18       84:14     
  85:46       86:6        87:6        88:1        89:40       91:84     
  92:8        93:50       94:11       95:6        96:26       97:3      
  98:18       99:156     102:12      107:48      108:224     109:25     
 173:147     174:3       176:13      177:9       178:7       179:13     
 181:2       184:9       185:187     186:4       187:8       188:30     
 190:18      191:28      197:344     201:10      203:1       208:223    
 209:291     212:177     213:35      216:325     217:34     
