Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2180      5:6442     24:5347     31:3564     37:6100     41:4694   
  46:6507     50:3085     62:3659     63:2461     64:7471     65:3196   
  66:6324     67:4537     68:2694     69:5494     70:2695     71:1064   
  72:4426     74:3857     75:2207     76:960      77:3601     78:2641   
  79:2274     80:2840     81:2612     82:2287     83:1849     84:2464   
  85:4866     86:1210     87:3285     88:1822     89:5702     90:1568   
  91:11850    92:3692     93:3567     94:5215     95:6204     96:1997   
  97:537      98:1908     99:955     100:97      102:4044    103:7      
 105:1193    107:3395    108:1828    109:4946    173:4947    174:2135   
 176:5003    177:8099    178:4774    179:3250    180:1       181:4646   
 184:3466    185:24506   186:7110    187:6282    188:6137    189:5832   
 190:10982   191:2533    197:3318    201:7766    203:1       208:4806   
 209:5811    212:5407    213:4773    216:7770    217:3794   
