Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:21       24:10       31:9        37:11       41:117    
  46:10       50:13       62:7        63:99       64:177      65:25     
  66:121      67:76       68:27       69:105      70:2        71:1      
  72:77       74:59       75:4        76:58       77:17       78:7      
  79:12       80:18       81:36       82:7        83:17       84:6      
  85:62       86:3        87:2        88:1        89:16       91:64     
  92:2        93:16       94:7        95:7        96:10       97:6      
  98:6        99:1       102:8       107:36      108:14      109:9      
 173:43      174:16      176:5       177:10      178:2       179:10     
 181:12      184:7       185:53      186:3       187:17      188:15     
 189:6       190:44      191:47      197:5       201:40      208:173    
 209:156     212:47      213:20      216:108     217:24     
