Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:21       24:3        37:31       41:244      46:6      
  50:5        62:9        63:40       64:62       65:11       66:84     
  67:54       68:14       69:47       70:3        71:1        72:23     
  74:65       76:36       77:25       78:6        79:10       80:12     
  81:31       82:15       83:16       84:4        85:54       86:9      
  87:1        89:20       91:63       92:2        93:17       95:5      
  96:8        97:2        98:2       102:16      107:3       108:13     
 109:8       173:6       176:6       177:8       178:1       179:12     
 181:1       184:16      185:61      186:4       187:24      188:23     
 190:18      191:28      197:356     201:23      208:72      209:163    
 212:167     213:14      216:100     217:27     
