Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:20       24:4        31:1        37:14       41:244    
  46:7        50:8        62:16       63:43       64:71       65:6      
  66:71       67:60       68:24       69:62       70:2        71:1      
  72:24       74:66       76:52       77:27       78:6        79:11     
  80:19       81:35       82:15       83:17       84:5        85:79     
  86:7        87:1        89:19       91:75       92:4        93:17     
  94:7        95:7        96:8        97:2        98:2       100:1      
 102:16      107:3       108:16      109:10      173:10      176:7      
 177:10      178:3       179:14      181:1       184:7       185:96     
 186:3       187:21      188:15      189:3       190:18      191:28     
 197:322     201:38      208:114     209:127     212:189     213:26     
 216:113     217:17     
