Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:21       24:11       31:10       37:14       41:136    
  46:9        50:17       62:7        63:112      64:194      65:34     
  66:109      67:84       68:25       69:114      70:2        71:1      
  72:81       74:65       75:1        76:57       77:17       78:7      
  79:12       80:26       81:33       82:7        83:16       84:7      
  85:73       87:6        88:1        89:18       91:68       92:2      
  93:27       94:11       95:10       96:7        97:6        98:6      
 102:20      107:36      108:13      109:11      173:35      174:17     
 176:5       177:26      178:1       179:10      184:5       185:55     
 186:5       187:19      188:15      189:5       190:36      191:49     
 197:122     201:40      208:182     209:154     212:168     213:21     
 216:116     217:20     
