Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2220      5:6660     24:4768     31:4324     37:6037     41:5067   
  46:6812     50:3286     62:3880     63:2323     64:7942     65:2798   
  66:7630     67:4884     68:2637     69:5561     70:2280     71:1160   
  72:4686     74:4225     75:2049     76:943      77:3667     78:2799   
  79:2379     80:2957     81:2694     82:4662     83:1968     84:2826   
  85:5237     86:1360     87:3233     88:1880     89:5992     90:1522   
  91:11843    92:3939     93:3870     94:5749     95:6460     96:2136   
  97:538      98:1729     99:971     100:89      102:4800    105:887    
 107:3752    108:1846    109:5100    173:5492    174:2107    176:5294   
 177:6556    178:5440    179:2978    181:5066    184:3290    185:24905  
 186:6850    187:6048    188:6283    189:5744    190:10827   191:1896   
 197:3457    201:7653    208:4982    209:6240    212:5936    213:5126   
 216:8158    217:4455   
