Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:27       24:4        31:1        37:14       41:91     
  46:6        50:2        62:9        63:34       64:63       65:8      
  66:57       67:48       68:18       69:48       70:2        71:1      
  72:24       74:62       76:47       77:25       78:6        79:11     
  80:21       81:34       82:16       83:17       84:5        85:78     
  86:7        87:1        89:18       91:68       92:3        93:18     
  94:2        95:6        96:8        97:2        98:2       100:1      
 102:16      107:1       108:12      109:11      173:8       176:6      
 177:8       178:1       179:14      181:1       184:6       185:65     
 186:3       187:20      188:15      189:3       190:36      191:7      
 197:3       201:38      208:103     209:169     212:167     213:20     
 216:109     217:18     
