Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:21       24:4        31:8        37:6        41:150    
  46:13       50:11       62:14       63:51       64:163      65:80     
  66:108      67:75       68:25       69:93       70:30       71:49     
  72:36       74:98       76:54       77:22       78:7        79:11     
  80:25       81:33       82:20       83:16       84:5        85:72     
  86:9        87:2        88:1        89:21       91:86       92:1      
  93:7        94:9        95:10       96:11       97:4        98:14     
  99:142     102:22      107:18      108:164     109:19      173:31     
 174:1       176:17      177:21      178:8       179:12      181:1      
 184:5       185:101     186:3       187:19      188:15      189:3      
 190:20      191:53      197:143     201:41      208:174     209:151    
 212:197     213:33      216:182     217:21     
