Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:23       24:3        31:1        37:31       41:254    
  46:6        50:8        62:8        63:40       64:64       65:13     
  66:87       67:53       68:18       69:46       70:3        72:19     
  74:67       76:36       77:16       78:5        79:7        80:10     
  81:37       82:5        83:17       84:8        85:39       86:6      
  87:1        89:25       91:59       93:17       94:2        95:5      
  96:8        97:2        98:3       102:9       107:14      108:14     
 109:19      173:6       176:6       177:10      178:1       179:12     
 181:1       184:2       185:55      186:4       187:9       188:22     
 190:17      191:28      197:343     201:6       208:71      209:183    
 212:155     213:13      216:115     217:25     
