Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:20       24:6        31:7        37:11       41:246    
  46:9        50:5        62:8        63:40       64:75       65:10     
  66:77       67:58       68:14       69:43       71:1        72:38     
  74:31       76:43       77:15       78:2        79:11       80:19     
  81:38       82:7        83:18       84:5        85:62       86:11     
  87:1        88:1        89:16       91:74       92:1        93:16     
  94:5        95:7        96:10       97:2        98:2       102:17     
 107:18      108:12      109:15      173:8       176:12      177:18     
 178:6       179:14      181:12      184:10      185:52      186:3      
 187:17      188:15      189:6       190:48      191:52      197:199    
 201:39      208:99      209:132     212:185     213:20      216:75     
 217:25     
