Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:20       24:5        31:8        37:40       41:150    
  46:7        50:6        62:13       63:43       64:81       65:18     
  66:83       67:58       68:15       69:50       70:2        71:1      
  72:57       74:63       76:48       77:20       78:7        79:12     
  80:25       81:37       82:16       83:143      84:14       85:70     
  86:9        87:7        89:18       90:3        91:75       92:2      
  93:7        94:5        95:6        96:112      97:4        98:2      
  99:1       102:25      106:59      107:53      108:12      109:17     
 124:2       173:12      176:14      177:20      178:5       179:10     
 181:8       184:83      185:98      186:3       187:19      188:16     
 189:4       190:17      191:56      197:154     201:36      202:55     
 203:39      208:118     209:158     212:194     213:23      216:100    
 217:25      223:1      
