Advertised prefixes smaller than registry allocations (per /8 block)
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   2:1870      5:5176     24:4516     31:3196     37:5553     41:4538   
  46:5721     50:2972     62:2970     63:2618     64:7212     65:3329   
  66:7099     67:4205     68:2721     69:5705     70:2750     71:1567   
  72:5069     74:4086     75:1792     76:991      77:3052     78:5033   
  79:3190     80:2530     81:2290     82:1860     83:1590     84:1996   
  85:5267     86:984      87:2815     88:3569     89:4446     90:1238   
  91:11234    92:3094     93:3373     94:4757     95:6438     96:2210   
  97:613      98:1440     99:1178    100:220     102:1744    105:533    
 107:3200    108:1192    109:4837    173:4580    174:2017    176:4566   
 177:7594    178:4169    179:2904    181:3111    184:3707    185:21734  
 186:6584    187:4923    188:5157    189:4392    190:10237   191:2069   
 197:2720    201:6931    203:1       208:4657    209:5274    212:4692   
 213:4443    216:7132    217:3381   
