Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:49       24:21       31:22       37:33       41:242    
  46:21       50:26       62:19       63:67       64:257      65:62     
  66:188      67:96       68:38       69:140      70:12       71:1      
  72:49       74:209      75:7        76:43       77:18       78:6      
  79:13       80:17       81:40       82:8        83:19       84:14     
  85:47       86:6        87:8        88:1        89:40       91:81     
  92:7        93:51       94:16       95:7        96:26       97:3      
  98:19       99:165     102:10      107:46      108:234     109:27     
 173:154     174:3       176:15      177:7       178:5       179:13     
 181:2       184:9       185:203     186:5       187:11      188:29     
 190:24      191:28      197:344     201:8       203:1       208:224    
 209:296     212:177     213:38      216:337     217:34     
