Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:21       31:1        37:30       41:12       46:6      
  62:7        66:1        69:1        74:4        77:15       78:5      
  79:10       80:9        81:36       82:5        83:16       84:6      
  85:39       86:1        89:22       91:49       93:17       94:2      
  95:5       109:4       176:6       178:1       185:44      188:20     
 212:49      213:14      216:1       217:27     
