Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:23       24:3        31:8        37:2        41:155    
  46:13       50:12       62:18       63:51       64:167      65:68     
  66:112      67:78       68:26       69:95       70:29       71:49     
  72:35       74:92       76:59       77:22       78:5        79:11     
  80:22       81:34       82:17       83:16       84:11       85:71     
  86:14       87:2        88:1        89:21       91:81       92:4      
  93:7        94:9        95:6        96:17       97:2        98:14     
  99:138     100:1       102:41      107:18      108:166     109:18     
 173:35      174:2       176:18      177:18      178:7       179:14     
 181:1       184:4       185:113     186:3       187:17      188:16     
 189:3       190:19      191:29      197:165     201:40      208:164    
 209:158     212:196     213:32      216:192     217:24     
