Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:21       24:11       31:10       37:14       41:134    
  46:9        50:17       62:7        63:107      64:201      65:34     
  66:107      67:83       68:25       69:117      70:2        71:1      
  72:81       74:63       75:1        76:60       77:16       78:7      
  79:12       80:23       81:32       82:8        83:16       84:7      
  85:71       87:6        88:1        89:18       91:67       92:2      
  93:27       94:11       95:11       96:10       97:6        98:6      
 102:11      107:43      108:13      109:10      173:35      174:17     
 176:5       177:23      178:1       179:7       184:5       185:54     
 186:5       187:19      188:15      189:5       190:35      191:49     
 197:115     201:40      208:181     209:154     212:168     213:21     
 216:117     217:19     
