Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:20       24:4        31:8        37:11       41:135    
  46:7        50:1        62:9        63:36       64:68       65:4      
  66:59       67:56       68:14       69:47       70:2        71:1      
  72:25       74:59       76:44       77:17       78:6        79:11     
  80:27       81:33       82:15       83:16       84:7        85:73     
  86:9        87:1        88:1        89:18       91:72       92:1      
  93:12       94:5        95:9        96:7        97:2        98:2      
 102:23      108:11      109:17      173:8       176:12      177:23     
 178:5       179:11      181:1       184:5       185:57      186:5      
 187:19      188:14      189:5       190:35      191:53      197:130    
 201:40      208:103     209:124     212:170     213:21      216:97     
 217:21     
