Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:20       24:7        31:7        37:11       41:287    
  46:9        50:1        62:7        63:36       64:66       65:6      
  66:48       67:57       68:14       69:43       71:1        72:34     
  74:27       76:42       77:14       78:5        79:11       80:19     
  81:39       82:7        83:17       84:7        85:63       86:11     
  87:1        88:1        89:16       91:75       92:1        93:17     
  94:5        95:7        96:8        97:2        98:2       102:13     
 108:11      109:14      173:3       176:12      177:18      178:6      
 179:14      184:7       185:52      186:3       187:18      188:15     
 189:6       190:45      191:51      197:185     201:40      208:92     
 209:122     212:178     213:20      216:76      217:25     
