Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:26       24:4        31:10       37:4        41:122    
  46:18       50:13       62:20       63:52       64:211      65:68     
  66:130      67:81       68:31       69:97       70:47       71:47     
  72:36       74:165      76:62       77:22       78:6        79:11     
  80:23       81:33       82:17       83:17       84:16       85:51     
  86:7        87:3        88:1        89:28       91:87       92:7      
  93:7        94:9        95:6        96:22       97:3        98:15     
  99:137     100:1       102:46      107:50      108:249     109:20     
 173:135     174:2       176:19      177:18      178:8       179:14     
 181:1       184:3       185:158     186:3       187:17      188:21     
 189:3       190:19      191:28      197:154     201:39      208:199    
 209:224     212:190     213:33      216:222     217:27     
