Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:23       24:3        31:1        37:31       41:249    
  46:6        50:7        62:6        63:40       64:64       65:12     
  66:88       67:53       68:18       69:46       70:3        72:20     
  74:65       76:36       77:16       78:5        79:6        80:10     
  81:34       82:5        83:16       84:6        85:39       86:6      
  87:1        89:25       91:59       93:18       94:2        95:6      
  96:8        97:2        98:2       102:2       107:14      108:12     
 109:14      173:5       176:5       177:7       179:10      185:29     
 186:3       187:3       188:18      190:16      191:28      197:180    
 201:2       208:46      209:114     212:80      213:12      216:74     
 217:6      
