Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:28       24:4        31:2        37:14       41:270    
  46:7        50:7        62:17       63:43       64:73       65:10     
  66:78       67:55       68:25       69:63       70:2        71:1      
  72:25       74:69       76:48       77:25       78:6        79:11     
  80:21       81:35       82:16       83:17       84:5        85:80     
  86:8        87:1        89:18       91:73       92:5        93:18     
  94:7        95:7        96:8        97:2        98:2       100:1      
 102:19      107:3       108:16      109:11      173:9       176:7      
 177:9       178:3       179:14      181:1       184:6       185:94     
 186:3       187:20      188:16      189:3       190:36      191:28     
 197:331     201:38      208:116     209:139     212:173     213:26     
 216:118     217:20     
