Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:21       24:11       31:10       37:14       41:135    
  46:8        50:14       62:6        63:112      64:190      65:34     
  66:106      67:83       68:25       69:94       70:2        71:1      
  72:80       74:95       75:1        76:58       77:17       78:7      
  79:12       80:27       81:33       82:14       83:15       84:7      
  85:72       86:3        87:6        88:1        89:18       91:69     
  92:2        93:14       94:11       95:9        96:7        97:6      
  98:6       102:20      107:36      108:13      109:11      173:31     
 174:17      176:5       177:23      178:1       179:10      184:4      
 185:57      186:5       187:19      188:15      189:5       190:35     
 191:53      197:129     201:40      208:182     209:155     212:170    
 213:21      216:115     217:20     
