Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:32       24:18       31:11       37:31       41:252    
  46:8        50:14       62:8        63:38       64:142      65:26     
  66:118      67:90       68:33       69:88       70:3        72:38     
  74:106      75:4        76:39       77:18       78:5        79:7      
  80:11       81:37       82:7        83:18       84:11       85:43     
  86:6        87:1        88:1        89:32       91:67       92:2      
  93:50       94:3        95:7        96:26       97:2        98:11     
  99:61      102:6       107:9       108:45      109:22      173:29     
 174:3       176:8       177:8       178:2       179:12      181:2      
 184:7       185:89      186:5       187:10      188:23      190:24     
 191:28      197:337     201:6       208:141     209:133     212:158    
 213:26      216:219     217:29     
