Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2133      5:6157     24:4872     31:3443     37:6081     41:4512   
  46:6210     50:3154     62:3473     63:2480     64:7275     65:3208   
  66:6219     67:4324     68:2669     69:5540     70:2466     71:1061   
  72:4333     74:3767     75:2091     76:947      77:3285     78:2617   
  79:2951     80:2833     81:2508     82:2114     83:1779     84:2336   
  85:4772     86:1091     87:2915     88:1735     89:5453     90:1508   
  91:11572    92:3433     93:3468     94:5003     95:6031     96:2029   
  97:535      98:1831     99:965     100:102     102:3483    105:757    
 107:3734    108:1735    109:4909    173:4824    174:2144    176:5116   
 177:6488    178:4721    179:2969    181:4313    184:3484    185:23853  
 186:6468    187:5793    188:5888    189:5313    190:10592   191:1826   
 197:2713    201:7492    202:21      208:4737    209:5669    212:5226   
 213:4411    216:7727    217:3571   
