Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:39       24:5        31:7        37:21       41:238    
  46:16       50:24       62:18       63:55       64:220      65:73     
  66:161      67:92       68:37       69:124      70:32       71:20     
  72:45       74:183      75:1        76:47       77:26       78:6      
  79:14       80:21       81:38       82:15       83:23       84:8      
  85:88       86:9        87:6        88:1        89:33       91:87     
  92:10       93:51       94:10       95:6        96:25       97:3      
  98:16       99:128     102:10      107:43      108:252     109:18     
 173:143     174:2       176:13      177:8       178:5       179:10     
 181:2       184:9       185:181     186:4       187:24      188:23     
 190:18      191:28      197:353     201:25      203:1       208:237    
 209:276     212:182     213:34      216:291     217:34     
