Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:20       24:7        31:7        37:11       41:306    
  46:9        50:5        62:8        63:40       64:75       65:12     
  66:68       67:58       68:14       69:44       71:1        72:54     
  74:30       76:43       77:14       78:5        79:11       80:19     
  81:38       82:6        83:18       84:5        85:63       86:11     
  87:1        88:1        89:16       91:74       92:1        93:16     
  94:5        95:7        96:9        97:2        98:2       102:18     
 103:10      107:18      108:12      109:15      173:9       176:12     
 177:18      178:6       179:10      181:12      184:9       185:51     
 186:3       187:18      188:15      189:7       190:30      191:52     
 197:203     201:40      208:97      209:133     212:183     213:20     
 216:77      217:25      220:11     
