Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:24       24:3        31:2        37:33       41:249    
  46:7        50:8        62:18       63:43       64:77       65:13     
  66:103      67:59       68:22       69:62       70:4        72:19     
  74:74       76:36       77:16       78:5        79:7        80:11     
  81:37       82:5        83:18       84:5        85:40       86:6      
  87:1        89:26       91:66       93:18       94:9        95:6      
  96:8        97:3        98:5       102:11      107:14      108:17     
 109:19      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      197:344     201:6       208:95      209:114    
 212:161     213:20      216:131     217:30     
