Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:51       24:19       31:24       37:33       41:248    
  46:21       50:26       62:20       63:79       64:264      65:35     
  66:205      67:97       68:38       69:148      70:10       71:2      
  72:50       74:195      75:11       76:45       77:18       78:6      
  79:14       80:17       81:38       82:7        83:19       84:14     
  85:48       86:6        87:8        88:1        89:41       91:77     
  92:6        93:50       94:15       95:7        96:26       97:3      
  98:29       99:87      102:15      107:67      108:114     109:28     
 173:162     174:4       176:15      177:9       178:8       179:13     
 181:2       184:13      185:200     186:5       187:10      188:26     
 190:26      191:29      197:337     201:9       203:1       208:231    
 209:293     212:176     213:36      216:326     217:32     
