Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2203      5:6574     24:5280     31:4163     37:6113     41:4973   
  43:2        46:6870     50:3066     62:3788     63:2447     64:7342   
  65:2981     66:6327     67:4541     68:2313     69:5405     70:2468   
  71:1121     72:4432     74:3951     75:2253     76:950      77:3792   
  78:2749     79:2261     80:2833     81:2626     82:3461     83:1910   
  84:2508     85:4994     86:1293     87:3418     88:1858     89:5750   
  90:1597     91:11882    92:3981     93:3718     94:5360     95:6132   
  96:2140     97:523      98:1785     99:960     100:94      102:4526   
 103:9       105:1291    107:3568    108:1890    109:4959    117:1      
 173:5186    174:2117    176:5250    177:7990    178:4970    179:3322   
 180:1       181:4850    184:3572    185:24956   186:6960    187:6346   
 188:6125    189:5821    190:11079   191:2501    197:4118    201:7831   
 202:1       203:1       208:4830    209:5909    212:5504    213:4840   
 216:7650    217:4050   
