Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:32       31:1        37:31       46:7        62:7      
  66:1        69:1        74:4        77:16       78:5        79:7      
  80:12       81:38       82:4        83:17       84:7        85:39     
  86:1        89:22       91:47       92:2        93:20       94:2      
  95:6       109:2       176:6       178:1       185:52      188:21     
 202:1       212:53      213:18      216:1       217:12     
