Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:20       24:4        31:7        37:3        41:144    
  46:8        50:5        62:8        63:40       64:77       65:8      
  66:74       67:57       68:14       69:49       70:2        71:1      
  72:26       74:30       76:44       77:16       78:6        79:11     
  80:19       81:34       82:7        83:16       84:8        85:62     
  86:6        87:1        88:1        89:18       91:71       92:1      
  93:18       94:5        95:12       96:8        97:2        98:2      
 102:22      107:18      108:12      109:17      173:8       175:2      
 176:12      177:24      178:5       179:13      184:2       185:52     
 186:5       187:19      188:14      189:5       190:35      191:49     
 197:112     201:41      203:6       208:104     209:133     212:172    
 213:20      216:98      217:20     
