Advertised prefixes smaller than registry allocations (per /8 block)
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   4:6         6:9        12:1004     13:15       15:28       16:9      
  17:23       20:46       24:1295     25:2        32:120      34:1      
  38:56       40:32       43:10       44:9        47:34       52:3      
  53:3        56:5        57:90       61:494      62:637      63:2531   
  64:2792     65:3111     66:4449     67:654      68:1527     69:492    
  80:510      81:224      82:18      128:234     129:284     130:121    
 131:127     132:37      133:2       134:285     135:12      136:165    
 137:196     138:167     139:122     140:209     141:215     142:192    
 143:103     144:175     145:49      146:463     147:109     148:466    
 149:110     150:162     151:124     152:520     153:97      154:7      
 155:233     156:76      157:94      158:182     159:212     160:115    
 161:205     162:518     163:140     164:415     165:347     166:209    
 167:402     168:313     169:133     170:533     171:43      192:46     
 193:3585    194:2791    195:1757    198:11      199:8       200:50     
 202:32      203:45      204:9       205:4       206:10      207:13     
 208:3827    209:3841    210:1393    211:612     212:1556    213:1426   
 216:4822    217:914     218:235     219:166     220:229     221:19     

