Advertised prefixes smaller than registry allocations (per /8 block)
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   4:5         6:9        12:1033     13:16       15:31       16:13     
  17:17       20:45       24:1304     25:2        32:99       34:1      
  38:56       40:32       43:11       44:2        47:33       52:3      
  53:3        55:1        56:5        57:47       61:501      62:756    
  63:2456     64:2726     65:2665     66:3731     67:644      68:1516   
  69:611      80:561      81:273      82:118     128:132     129:270    
 130:117     131:137     132:49      133:2       134:205     135:16     
 136:219     137:172     138:119     139:111     140:209     141:240    
 142:165     143:109     144:121     145:94      146:415     147:126    
 148:462     149:129     150:175     151:158     152:511     153:100    
 154:3       155:220     156:88      157:105     158:179     159:218    
 160:113     161:192     162:458     163:114     164:213     165:359    
 166:247     167:295     168:321     169:137     170:541     171:41     
 193:3515    194:2792    195:2048    201:6       208:3678    209:3614   
 210:1423    211:653     212:1462    213:1463    216:4851    217:1002   
 218:226     219:162     220:228     221:27      222:1      
