Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:21       24:11       31:11       37:4        41:155    
  46:8        50:10       62:8        63:98       64:160      65:31     
  66:100      67:76       68:26       69:89       70:4        71:1      
  72:48       74:89       75:1        76:62       77:21       78:6      
  79:12       80:22       81:34       82:15       83:16       84:7      
  85:68       86:9        87:6        89:18       91:70       92:3      
  93:9        94:11       95:6        96:3        97:4        98:7      
 102:40      107:36      108:14      109:12      173:22      174:16     
 176:5       177:18      178:1       179:13      181:1       184:3      
 185:71      186:3       187:19      188:15      189:3       190:19     
 191:29      197:165     201:41      208:176     209:156     212:190    
 213:19      216:131     217:20     
