Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:34       24:7        31:8        37:33       41:248    
  46:15       50:23       62:20       63:55       64:208      65:63     
  66:173      67:93       68:40       69:127      70:30       71:9      
  72:46       74:193      75:1        76:47       77:27       78:6      
  79:14       80:18       81:38       82:16       83:19       84:7      
  85:87       86:10       87:6        88:1        89:41       91:84     
  92:9        93:50       94:10       95:6        96:25       97:3      
  98:16       99:171     102:22      107:43      108:247     109:22     
 173:143     174:3       176:13      177:8       178:5       179:13     
 181:2       184:23      185:176     186:4       187:24      188:30     
 190:18      191:28      197:361     201:25      203:1       208:203    
 209:286     212:184     213:34      216:307     217:35     
