Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:51       24:19       31:24       37:35       41:251    
  46:21       50:26       62:20       63:79       64:265      65:37     
  66:206      67:96       68:38       69:149      70:10       71:2      
  72:48       74:198      75:11       76:45       77:18       78:6      
  79:14       80:14       81:38       82:7        83:19       84:14     
  85:48       86:6        87:8        88:1        89:39       91:77     
  92:6        93:52       94:16       95:8        96:26       97:3      
  98:32       99:87      102:15      107:64      108:113     109:28     
 173:160     174:5       176:15      177:12      178:9       179:13     
 181:2       184:12      185:202     186:5       187:11      188:26     
 190:26      191:29      197:339     201:9       203:1       208:231    
 209:293     212:178     213:37      216:321     217:34     
