Advertised prefixes smaller than registry allocations (per /8 block)
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   4:5         6:9        12:1018     13:15       15:28       16:11     
  17:21       20:43       24:1207     25:2        32:248      34:1      
  38:65       40:31       43:3        44:2        47:25       52:3      
  53:3        55:1        56:5        57:74       61:471      62:730    
  63:2508     64:2812     65:3177     66:4661     67:989      68:2088   
  69:592      80:536      81:313      82:51      128:232     129:271    
 130:120     131:126     132:50      133:1       134:276     135:15     
 136:257     137:172     138:211     139:140     140:242     141:242    
 142:150     143:109     144:146     145:59      146:455     147:134    
 148:475     149:129     150:177     151:135     152:516     153:100    
 154:10      155:241     156:88      157:97      158:200     159:208    
 160:116     161:196     162:455     163:109     164:390     165:310    
 166:211     167:350     168:347     169:138     170:519     171:40     
 192:15      193:3601    194:2792    195:1891    198:31      199:12     
 200:52      202:43      203:177     204:18      205:2       206:25     
 207:15      208:3848    209:3521    210:1215    211:502     212:1473   
 213:1484    216:4677    217:1010    218:169     219:96      220:125    
 221:7      
