Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:22       24:3        31:1        37:31       41:248    
  46:6        50:5        62:11       63:38       64:64       65:11     
  66:90       67:53       68:18       69:45       70:3        72:19     
  74:66       76:36       77:20       78:5        79:10       80:10     
  81:37       82:5        83:16       84:7        85:39       86:6      
  87:1        89:24       91:59       93:18       94:2        95:6      
  96:8        97:2        98:2       102:12      107:1       108:13     
 109:16      173:6       176:6       177:9       178:1       179:12     
 181:1       184:6       185:54      186:4       187:24      188:22     
 190:18      191:28      197:346     201:24      208:73      209:181    
 212:159     213:14      216:108     217:27     
