Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:39       24:21       31:22       37:33       41:251    
  46:20       50:26       62:19       63:61       64:253      65:66     
  66:182      67:96       68:38       69:139      70:13       71:1      
  72:49       74:209      75:7        76:43       77:18       78:5      
  79:13       80:14       81:38       82:8        83:19       84:14     
  85:46       86:6        87:6        88:1        89:40       91:80     
  92:5        93:50       94:11       95:8        96:26       97:3      
  98:19       99:172     102:10      107:59      108:233     109:27     
 173:152     174:3       176:15      177:8       178:5       179:13     
 181:2       184:9       185:193     186:5       187:11      188:27     
 190:24      191:28      197:343     201:8       203:1       208:228    
 209:296     212:175     213:35      216:337     217:33     
