Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:19       24:4        31:8        37:4        41:126    
  46:7        50:4        62:12       63:41       64:77       65:9      
  66:75       67:56       68:14       69:51       70:2        71:1      
  72:23       74:53       76:50       77:20       78:6        79:11     
  80:21       81:35       82:16       83:16       84:11       85:70     
  86:14       87:1        89:18       91:74       92:2        93:7      
  94:5        95:6        96:8        97:3        98:2       100:1      
 102:39      107:17      108:15      109:16      173:8       176:12     
 177:17      178:5       179:12      181:1       184:6       185:73     
 186:3       187:17      188:14      189:3       190:21      191:28     
 197:164     201:40      208:115     209:157     212:191     213:20     
 216:97      217:23     
