Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:21       24:12       31:11       37:7        41:148    
  46:8        50:10       62:8        63:98       64:156      65:32     
  66:111      67:86       68:26       69:88       70:4        71:2      
  72:45       74:95       75:1        76:63       77:21       78:7      
  79:12       80:26       81:36       82:15       83:15       84:7      
  85:72       86:3        87:7        89:18       91:71       92:3      
  93:9        94:11       95:6        96:7        97:8        98:13     
 102:23      107:37      108:14      109:13      173:34      174:19     
 176:5       177:20      178:1       179:11      181:1       184:3      
 185:68      186:3       187:19      188:15      189:3       190:20     
 191:53      197:157     201:40      208:181     209:155     212:192    
 213:21      216:148     217:21     
