Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:21       24:4        31:1        37:14       41:169    
  46:7        50:7        62:18       63:43       64:72       65:9      
  66:75       67:57       68:24       69:63       70:2        71:1      
  72:24       74:68       76:51       77:26       78:6        79:11     
  80:18       81:35       82:16       83:17       84:5        85:77     
  86:7        87:1        89:19       91:74       92:4        93:17     
  94:7        95:7        96:8        97:2        98:2       100:1      
 102:17      107:3       108:16      109:10      173:10      176:7      
 177:10      178:3       179:14      181:1       184:6       185:99     
 186:3       187:21      188:15      189:2       190:17      191:28     
 197:317     201:38      208:114     209:129     212:192     213:25     
 216:113     217:17     
