Advertised prefixes smaller than registry allocations (per /8 block)
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  24:4        37:1        41:127      50:1        62:5        63:35     
  64:65       65:4        66:67       67:54       68:16       69:44     
  70:2        71:1        72:23       74:56       76:50       77:11     
  80:5        81:2        82:11       83:1        84:8        85:39     
  86:7        87:1        89:3        91:24       92:2        93:1      
  96:8        97:2        98:2       100:1       102:1       107:1      
 108:14      109:9       173:8       176:8       177:10      178:4      
 179:14      181:1       184:2       185:17      186:3       187:17     
 188:5       189:3       190:17      191:28      197:119     201:38     
 208:110     209:119     212:133     213:7       216:95      217:8      

