Advertised prefixes smaller than registry allocations (per /8 block)
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   2:3         5:39       24:4        31:7        37:16       41:233    
  46:12       50:11       62:18       63:40       64:191      65:33     
  66:122      67:83       68:23       69:91       70:35       71:4      
  72:37       74:175      75:1        76:53       77:27       78:6      
  79:11       80:21       81:34       82:16       83:23       84:6      
  85:91       86:8        87:7        88:1        89:29       91:87     
  92:10       93:52       94:9        95:6        96:25       97:2      
  98:12       99:63      102:20      103:4       105:8       107:39     
 108:139     109:15      114:2       133:4       173:119     174:2      
 176:9       177:10      178:5       179:13      181:1       184:8      
 185:159     186:4       187:26      188:21      189:3       190:17     
 191:26      197:331     200:75      201:41      202:5       203:2      
 204:2       205:1       206:2       207:1       208:204     209:223    
 210:2       211:2       212:176     213:31      216:244     217:35     
 222:2      
