Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:22       24:4        31:8        37:4        41:129    
  46:7        50:10       62:11       63:41       64:75       65:22     
  66:80       67:59       68:29       69:50       70:2        71:1      
  72:24       74:59       76:51       77:20       78:6        79:11     
  80:21       81:35       82:16       83:16       84:10       85:69     
  86:2        87:1        89:18       91:71       92:2        93:7      
  94:5        95:6        96:8        97:4        98:2       100:1      
 102:38      107:11      108:15      109:12      173:9       174:1      
 176:4       177:15      178:1       179:9       184:4       185:67     
 186:3       187:19      188:14      189:3       190:21      191:28     
 197:164     201:40      208:119     209:134     212:186     213:20     
 216:111     217:22     
