Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:21       24:12       31:11       37:7        41:150    
  46:8        50:10       62:8        63:98       64:160      65:32     
  66:110      67:86       68:26       69:89       70:4        71:2      
  72:42       74:94       75:1        76:61       77:21       78:7      
  79:12       80:25       81:36       82:14       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     
 102:21      107:37      108:13      109:13      173:34      174:19     
 176:5       177:20      178:1       179:10      181:1       184:3      
 185:67      186:3       187:19      188:15      189:3       190:17     
 191:53      197:151     201:36      208:179     209:156     212:191    
 213:21      216:149     217:20     
