Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:28       24:4        31:6        37:14       41:244    
  46:16       50:16       62:17       63:55       64:210      65:72     
  66:133      67:90       68:33       69:111      70:45       71:43     
  72:37       74:177      75:1        76:63       77:29       78:6      
  79:11       80:20       81:35       82:15       83:18       84:8      
  85:84       86:7        87:5        88:1        89:31       91:86     
  92:9        93:17       94:7        95:7        96:23       97:2      
  98:14       99:135     100:1       102:20      107:43      108:263    
 109:15      173:131     174:2       176:13      177:10      178:5      
 179:15      181:1       184:9       185:168     186:3       187:21     
 188:20      189:3       190:18      191:28      197:322     201:38     
 208:210     209:271     212:196     213:39      216:266     217:20     

