Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:35       24:8        31:8        37:33       41:243    
  46:15       50:23       62:20       63:55       64:209      65:61     
  66:175      67:93       68:40       69:124      70:30       71:9      
  72:46       74:193      75:1        76:47       77:27       78:6      
  79:14       80:19       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     102:23      107:44      108:247     109:22     
 173:143     174:3       176:13      177:8       178:5       179:13     
 181:2       184:9       185:177     186:4       187:24      188:30     
 190:18      191:28      197:355     201:25      203:1       208:203    
 209:287     212:184     213:34      216:308     217:35     
