Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:27       24:4        31:3        37:4        41:206    
  46:17       50:13       62:18       63:55       64:211      65:67     
  66:130      67:87       68:34       69:115      70:45       71:44     
  72:36       74:175      75:1        76:59       77:27       78:6      
  79:11       80:21       81:35       82:15       83:18       84:8      
  85:78       86:7        87:5        88:1        89:31       91:92     
  92:9        93:8        94:7        95:7        96:23       97:2      
  98:14       99:137     100:1       102:6       107:48      108:261    
 109:20      173:136     174:2       176:20      177:10      178:8      
 179:16      181:1       184:9       185:165     186:3       187:18     
 188:20      189:3       190:18      191:28      197:298     201:40     
 208:213     209:260     212:198     213:37      216:264     217:20     

