Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:21       24:4        31:2        37:14       41:236    
  46:7        50:6        62:17       63:43       64:73       65:10     
  66:77       67:56       68:25       69:63       70:2        71:1      
  72:24       74:67       76:47       77:26       78:6        79:11     
  80:18       81:35       82:16       83:17       84:5        85:79     
  86:7        87:1        89:19       91:74       92:4        93:17     
  94:7        95:7        96:8        97:2        98:2       100:1      
 102:18      107:3       108:16      109:11      173:10      176:7      
 177:10      178:3       179:14      181:1       184:6       185:97     
 186:3       187:22      188:16      189:3       190:36      191:28     
 197:323     201:38      208:116     209:130     212:191     213:26     
 216:117     217:20     
