Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:21       24:4        31:8        37:5        41:147    
  46:13       50:11       62:17       63:51       64:163      65:80     
  66:107      67:75       68:25       69:94       70:30       71:49     
  72:36       74:99       76:55       77:22       78:7        79:11     
  80:25       81:36       82:19       83:17       84:5        85:74     
  86:8        87:2        89:21       91:84       92:1        93:7      
  94:9        95:10       96:15       97:4        98:14       99:144    
 102:22      107:18      108:167     109:19      173:31      174:1      
 176:17      177:21      178:8       179:12      181:1       184:4      
 185:102     186:3       187:19      188:15      189:3       190:20     
 191:53      197:145     201:39      208:175     209:151     212:197    
 213:33      216:177     217:21     
