Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:21       24:4        31:8        37:12       41:137    
  46:13       50:12       62:7        63:49       64:160      65:20     
  66:101      67:75       68:24       69:86       70:29       71:8      
  72:36       74:57       76:48       77:18       78:6        79:11     
  80:27       81:33       82:8        83:16       84:4        85:77     
  86:6        87:2        88:1        89:20       91:82       93:14     
  94:5        95:10       96:10       97:2        98:14       99:75     
 102:22      107:18      108:31      109:19      173:26      174:1      
 176:17      177:22      178:8       179:12      181:1       184:4      
 185:81      186:5       187:19      188:15      189:5       190:36     
 191:50      197:123     201:40      208:154     209:148     212:196    
 213:32      216:163     217:20     
