Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:20       24:4        31:1        37:4        41:127    
  46:8        50:7        62:18       63:43       64:72       65:10     
  66:84       67:59       68:24       69:58       70:2        71:1      
  72:24       74:62       76:51       77:21       78:6        79:10     
  80:17       81:35       82:15       83:17       84:11       85:78     
  86:7        87:1        89:18       91:78       92:4        93:8      
  94:6        95:7        96:8        97:3        98:2       100:1      
 102:48      107:17      108:17      109:14      173:10      176:13     
 177:9       178:6       179:10      181:1       184:2       185:95     
 186:3       187:17      188:16      189:3       190:17      191:27     
 197:118     201:39      208:123     209:131     212:191     213:21     
 216:105     217:24     
