Advertised prefixes smaller than registry allocations (per /8 block)
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   4:8         6:10        8:1         9:1        12:1123     13:16     
  15:37       16:14       17:17       20:64       24:1309     25:1      
  32:87       33:2        34:2        38:97       40:135      43:11     
  44:4        47:33       52:3        53:3        55:58       56:8      
  57:70       61:784      62:837      63:2568     64:3046     65:3080   
  66:4577     67:736      68:1686     69:1249     70:78       80:701    
  81:473      82:338      83:259      84:6        85:1        86:1      
  87:1        88:1       128:240     129:293     130:136     131:289    
 132:65      133:2       134:306     135:29      136:222     137:118    
 138:254     139:125     140:254     141:238     142:252     143:128    
 144:209     145:109     146:456     147:158     148:701     149:181    
 150:156     151:147     152:428     153:112     154:4       155:235    
 156:130     157:119     158:215     159:246     160:133     161:181    
 162:484     163:138     164:274     165:351     166:262     167:334    
 168:397     169:163     170:517     171:37      172:2       192:56     
 193:4087    194:2952    195:2248    196:614     198:5       199:5      
 200:9       201:81      202:119     203:85      204:7       206:19     
 207:16      208:3208    209:3902    210:2080    211:1008    212:1530   
 213:1786    215:1       216:5235    217:1320    218:355     219:268    
 220:512     221:45      222:108    
