Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:19       24:2        31:1        37:3        41:191    
  46:7        62:6        63:1        64:7        74:3        77:18     
  78:6        79:11       80:13       81:31       82:5        83:16     
  84:7        85:20       87:1        89:18       91:56       93:7      
  94:2        95:6       102:35      109:10      176:4       178:1      
 184:1       185:59      188:12      197:329     209:1       212:53     
 213:13      216:1       217:18     
