Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:19       24:4        31:8        37:4        41:147    
  46:7        50:1        62:10       63:34       64:47       65:4      
  66:23       67:55       68:15       69:47       70:2        72:23     
  74:57       76:46       77:20       78:6        79:11       80:25     
  81:31       82:19       83:15       84:6        85:69       86:8      
  87:1        89:18       91:72       92:1        93:7        94:5      
  95:10       96:7        97:4        98:2       102:17      108:5      
 109:17      173:9       176:12      177:21      178:5       179:11     
 181:1       184:2       185:57      186:3       187:19      188:14     
 189:3       190:20      191:53      197:145     201:39      208:105    
 209:121     212:190     213:21      216:60      217:21     
