Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:19       24:2        31:8        37:5        41:150    
  46:7        62:10       63:4        64:2        66:2        67:14     
  69:5        74:4        76:4        77:20       78:6        79:11     
  80:25       81:33       82:20       83:16       84:8        85:69     
  86:4        87:1        88:1        89:18       91:66       92:1      
  93:7        94:5        95:10      102:17      109:11      173:1      
 176:4       177:11      178:1       179:4       181:1       185:62     
 186:1       187:16      188:14      189:3       190:3       191:30     
 197:147     201:33      208:23      209:28      212:60      213:21     
 217:20     
