Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:23       24:3        31:2        37:33       41:250    
  46:7        50:8        62:18       63:43       64:77       65:14     
  66:103      67:59       68:21       69:60       70:4        72:19     
  74:74       76:36       77:16       78:5        79:7        80:11     
  81:38       82:5        83:18       84:5        85:40       86:6      
  87:1        89:26       91:67       93:18       94:9        95:6      
  96:8        97:3        98:5       102:10      107:14      108:17     
 109:18      173:8       176:7       177:8       178:3       179:12     
 181:1       184:6       185:93      186:4       187:9       188:23     
 190:17      191:28      197:346     201:7       208:95      209:117    
 212:159     213:20      216:131     217:30     
