Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:18       24:4        31:1        37:4        41:201    
  46:7        50:3        62:9        63:5        64:38       65:4      
  66:39       67:54       68:4        69:45       70:2        72:22     
  74:24       76:50       77:21       78:3        79:11       80:17     
  81:27       82:16       83:17       84:3        85:54       86:7      
  87:1        89:19       91:69       92:2        93:6        94:2      
  95:6        96:8        97:2        98:2       100:1       108:6      
 109:14      173:9       176:12      177:8       178:5       179:12     
 184:4       185:62      186:3       187:18      188:14      189:3      
 190:16      191:28      197:326     201:38      208:107     209:117    
 212:181     213:21      216:68      217:19     
