Advertised prefixes smaller than registry allocations (per /8 block)
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   4:8         6:9        12:1075     13:16       15:31       16:16     
  17:17       20:45       24:1281     25:1        32:106      34:2      
  38:69       40:37       43:11       44:2        47:33       52:3      
  53:3        55:1        56:6        57:59       61:616      62:794    
  63:2445     64:2721     65:2781     66:3882     67:512      68:1656   
  69:849      80:599      81:338      82:179     128:118     129:371    
 130:93      131:137     132:50      133:2       134:255     135:22     
 136:212     137:146     138:137     139:100     140:187     141:241    
 142:192     143:107     144:150     145:102     146:407     147:132    
 148:547     149:137     150:180     151:142     152:540     153:106    
 154:3       155:218     156:100     157:91      158:217     159:222    
 160:113     161:166     162:475     163:126     164:221     165:344    
 166:241     167:315     168:351     169:153     170:521     171:35     
 193:3764    194:2775    195:2096    201:75      208:3433    209:3640   
 210:1589    211:755     212:1419    213:1631    216:4801    217:1132   
 218:304     219:173     220:347     221:34      222:9      
