Advertised prefixes smaller than registry allocations (per /8 block)
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   1:4         2:1664      5:4404     24:4518     27:1        31:2668   
  37:4685     41:3713     46:5061     50:2291     58:18       59:5      
  61:29       62:2655     63:2434     64:6613     65:3078     66:6584   
  67:3994     68:2836     69:4997     70:2807     71:1436     72:4297   
  74:4208     75:1552     76:882      77:2556     78:2616     79:2768   
  80:2434     81:2066     82:1633     83:1360     84:1855     85:3710   
  86:778      87:2384     88:1514     89:3733     90:785      91:10164  
  92:2491     93:3302     94:3777     95:4915     96:1827     97:558    
  98:1366     99:950     100:215     102:698     103:7       105:312    
 107:2495    108:1159    109:4462    110:1       112:3       114:8      
 115:1       116:5       117:4       118:4       119:2       121:33     
 122:8       123:1       124:26      125:33      133:1       173:3731   
 174:1870    175:9       176:3637    177:5404    178:3689    179:1770   
 180:12      181:2732    183:1       184:3391    185:18321   186:5007   
 187:3123    188:4579    189:2792    190:9152    191:1747    197:1770   
 199:1       200:15      201:6082    202:5       203:39      204:7      
 206:9       207:2       208:4585    209:4785    210:151     211:131    
 212:3972    213:4039    216:6667    217:2842    218:17      220:32     
 221:4       222:13     
