Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:20       24:4        31:8        37:11       41:135    
  46:7        50:5        62:9        63:40       64:76       65:9      
  66:74       67:57       68:14       69:47       70:2        71:1      
  72:25       74:60       76:44       77:17       78:6        79:11     
  80:27       81:33       82:15       83:16       84:5        85:73     
  86:9        87:1        88:1        89:18       91:73       92:1      
  93:12       94:5        95:9        96:7        97:2        98:2      
 102:23      107:18      108:14      109:17      173:8       176:12     
 177:23      178:5       179:11      181:1       184:5       185:57     
 186:5       187:19      188:14      189:5       190:36      191:53     
 197:129     201:40      208:107     209:134     212:170     213:21     
 216:97      217:21     
