Advertised prefixes smaller than registry allocations (per /8 block)
--------------------------------------------------------------------

   5:1        24:3        37:1        41:248      50:4        62:1      
  63:35       64:61       65:9        66:70       67:51       68:16     
  69:42       70:3        72:19       74:63       76:35       81:5      
  84:3        86:5        87:1        89:10       91:16       93:1      
  96:8        97:2        98:2       102:7       107:1       108:15     
 109:13      173:6       176:1       177:10      179:12      181:1      
 184:6       185:10      186:4       187:8       188:2       190:17     
 191:28      197:347     201:7       208:67      209:103     212:105    
 216:114     217:2      
