Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:19       24:4        31:8        37:3        41:137    
  46:7        50:5        62:10       63:41       64:76       65:10     
  66:73       67:57       68:14       69:47       70:2        71:1      
  72:23       74:59       76:48       77:17       78:6        79:11     
  80:27       81:33       82:15       83:16       84:5        85:74     
  86:8        87:1        88:1        89:18       91:74       92:1      
  93:7        94:5        95:10       96:7        97:4        98:2      
 102:21      107:16      108:12      109:18      173:8       176:12     
 177:23      178:5       179:11      181:1       184:2       185:63     
 186:5       187:19      188:14      189:3       190:36      191:53     
 197:145     201:41      208:108     209:134     212:186     213:21     
 216:99      217:21     
