Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:25       24:4        31:10       37:4        41:125    
  46:17       50:13       62:20       63:54       64:214      65:69     
  66:128      67:79       68:30       69:99       70:46       71:48     
  72:36       74:160      76:60       77:22       78:6        79:11     
  80:22       81:35       82:16       83:17       84:16       85:75     
  86:14       87:2        88:1        89:25       91:85       92:6      
  93:7        94:9        95:6        96:22       97:3        98:15     
  99:132     100:1       102:39      107:34      108:249     109:20     
 173:132     174:2       176:19      177:17      178:8       179:14     
 181:1       184:7       185:153     186:3       187:17      188:20     
 189:3       190:21      191:28      197:166     201:40      208:189    
 209:222     212:199     213:33      216:230     217:24     
