Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:42       24:18       31:11       37:31       41:238    
  46:9        50:13       62:8        63:53       64:145      65:26     
  66:122      67:90       68:30       69:87       70:3        72:38     
  74:107      75:4        76:39       77:18       78:6        79:7      
  80:14       81:39       82:7        83:18       84:11       85:44     
  86:6        87:1        88:1        89:32       91:68       92:4      
  93:53       94:8        95:6        96:26       97:2        98:11     
  99:59      102:6       107:10      108:46      109:22      173:32     
 174:3       176:8       177:7       178:2       179:12      181:2      
 184:7       185:99      186:5       187:10      188:25      190:26     
 191:28      197:332     201:9       208:142     209:134     212:161    
 213:29      216:221     217:30     
