Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:22       31:1        37:29       46:6        62:5      
  66:1        69:1        74:4        77:14       78:6        79:10     
  80:9        81:36       82:5        83:15       84:5        85:40     
  86:1        89:22       91:52       93:17       94:2        95:6      
 109:4       176:6       178:1       184:2       185:44      188:19     
 212:53      213:14      216:1       217:28     
