Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:22       24:3        31:1        37:31       41:253    
  46:6        50:6        62:8        63:36       64:64       65:11     
  66:89       67:54       68:19       69:45       70:3        72:19     
  74:68       76:36       77:16       78:5        79:6        80:10     
  81:37       82:5        83:17       84:8        85:40       86:6      
  87:1        89:25       91:63       93:18       94:2        95:6      
  96:8        97:2        98:2       102:8       107:1       108:14     
 109:16      173:6       176:6       177:9       178:1       179:12     
 181:1       184:2       185:58      186:4       187:8       188:22     
 190:18      191:28      197:339     201:9       208:72      209:185    
 212:153     213:14      216:116     217:27     
