Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:36       24:10       31:11       37:32       41:245    
  46:15       50:25       62:19       63:51       64:223      65:55     
  66:180      67:92       68:38       69:131      70:27       71:7      
  72:44       74:198      75:1        76:47       77:23       78:6      
  79:14       80:13       81:38       82:8        83:19       84:7      
  85:48       86:6        87:6        88:1        89:39       91:79     
  92:8        93:50       94:10       95:6        96:26       97:3      
  98:16       99:156     102:16      107:45      108:252     109:24     
 173:140     174:3       176:13      177:9       178:7       179:13     
 181:2       184:11      185:178     186:4       187:24      188:28     
 190:18      191:28      197:354     201:25      208:212     209:300    
 212:178     213:35      216:317     217:33     
