Advertised prefixes smaller than registry allocations (per /8 block)
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   4:1         6:9        12:991      13:6        15:29       16:8      
  17:19       20:44       24:1221     25:4        32:107      34:1      
  38:136      40:28       43:9        44:10       47:36       52:3      
  53:3        55:1        56:5        57:80       61:709      62:754    
  63:2552     64:2601     65:2967     66:4155     67:486      68:1344   
  69:297      80:457      81:243     128:254     129:301     130:99     
 131:121     132:42      133:4       134:255     135:8       136:158    
 137:178     138:159     139:159     140:217     141:208     142:192    
 143:99      144:190     145:56      146:417     147:165     148:445    
 149:122     150:88      151:139     152:592     153:94      154:4      
 155:211     156:70      157:83      158:185     159:212     160:103    
 161:215     162:234     163:133     164:393     165:356     166:211    
 167:405     168:522     169:85      170:504     171:43      192:23     
 193:3520    194:2723    195:1484    198:8       199:10      200:48     
 202:20      203:41      204:9       205:2       206:5       207:5      
 208:3928    209:3762    210:1236    211:603     212:1506    213:1313   
 216:4779    217:818     218:192     219:62      220:192    
