Advertised prefixes smaller than registry allocations (per /8 block)
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   2:4         5:39       24:5        31:7        37:21       41:241    
  46:16       50:23       62:18       63:55       64:215      65:71     
  66:160      67:92       68:35       69:125      70:32       71:21     
  72:42       74:181      75:1        76:56       77:26       78:6      
  79:14       80:21       81:38       82:15       83:23       84:8      
  85:90       86:9        87:6        88:2        89:34       91:86     
  92:10       93:51       94:11       95:6        96:25       97:3      
  98:16       99:123     102:20      107:43      108:246     109:17     
 173:144     174:2       176:12      177:8       178:5       179:13     
 181:1       184:11      185:177     186:4       187:25      188:23     
 190:18      191:28      197:357     201:42      203:1       208:241    
 209:309     212:184     213:34      216:291     217:34     
