Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2         5:22       24:3        31:1        37:31       41:253    
  46:6        50:7        62:8        63:42       64:64       65:13     
  66:88       67:53       68:16       69:46       70:3        72:20     
  74:68       76:36       77:16       78:5        79:6        80:10     
  81:37       82:5        83:17       84:7        85:39       86:6      
  87:1        89:25       91:59       93:18       94:2        95:6      
  96:8        97:2        98:3       102:8       107:14      108:14     
 109:18      173:6       176:6       177:8       178:1       179:12     
 181:1       184:6       185:55      186:4       187:8       188:22     
 190:17      191:28      197:338     201:7       208:72      209:185    
 212:153     213:14      216:117     217:27     
