Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:24       24:4        31:8        37:2        41:124    
  46:13       50:12       62:18       63:51       64:168      65:68     
  66:115      67:78       68:25       69:95       70:29       71:49     
  72:29       74:92       76:60       77:22       78:6        79:11     
  80:22       81:34       82:17       83:17       84:11       85:73     
  86:14       87:2        88:1        89:21       91:82       92:4      
  93:7        94:9        95:6        96:22       97:3        98:14     
  99:137     100:1       102:41      107:18      108:163     109:18     
 173:36      174:2       176:18      177:17      178:7       179:14     
 181:1       184:3       185:120     186:3       187:17      188:16     
 189:3       190:20      191:28      197:167     201:40      208:163    
 209:161     212:197     213:33      216:193     217:24     
