Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:20       24:4        31:7        37:11       41:134    
  46:8        50:1        62:7        63:6        64:36       65:3      
  66:25       67:55       68:14       69:45       70:2        72:24     
  74:28       76:42       77:16       78:6        79:11       80:23     
  81:34       82:8        83:15       84:6        85:68       86:6      
  87:1        88:1        89:18       91:70       93:25       94:5      
  95:11       96:10       97:2        98:2       102:22      107:2      
 108:6       109:17      173:5       176:12      177:24      178:5      
 179:10      184:5       185:47      186:5       187:19      188:14     
 189:5       190:35      191:49      197:116     201:41      208:81     
 209:109     212:168     213:21      216:58      217:20     
