Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:35       24:11       31:10       37:32       41:243    
  46:15       50:26       62:17       63:51       64:214      65:59     
  66:174      67:92       68:38       69:128      70:28       71:8      
  72:45       74:196      75:1        76:48       77:23       78:6      
  79:15       80:13       81:38       82:6        83:18       84:7      
  85:47       86:7        87:6        88:1        89:39       91:80     
  92:8        93:50       94:10       95:6        96:26       97:3      
  98:16       99:171     102:18      107:45      108:252     109:23     
 173:138     174:3       176:13      177:8       178:7       179:13     
 181:2       184:23      185:175     186:4       187:24      188:28     
 190:18      191:28      197:345     201:25      203:1       208:204    
 209:292     212:176     213:35      216:316     217:33     
