Advertised prefixes smaller than registry allocations (per /8 block)
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   4:3         6:9         9:4        12:745      13:16       15:27     
  17:18       20:36       24:1139     25:4        32:57       38:9      
  40:15       43:48       44:9        47:37       52:4        53:3      
  56:4        57:33       61:355      62:379      63:2698     64:2254   
  65:2213     66:2273     67:365      68:230      80:315      81:47     
 128:93      129:242     130:73      131:59      132:44      133:5      
 134:215     135:9       136:311     137:146     138:180     139:139    
 140:266     141:196     142:174     143:79      144:224     145:48     
 146:271     147:180     148:343     149:132     150:76      151:148    
 152:607     153:54      154:16      155:172     156:94      157:173    
 158:119     159:185     160:75      161:211     162:340     163:179    
 164:339     165:326     166:304     167:220     168:228     169:87     
 170:448     171:28      172:1       192:54      193:3386    194:2840   
 195:1248    196:1       198:14      199:21      200:12      202:74     
 203:57      204:8       205:3       206:7       207:3       208:4117   
 209:3633    210:1015    211:500     212:1394    213:1020    216:4436   
 217:612     218:95      219:3      
