Advertised prefixes smaller than registry allocations (per /8 block)
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   4:7         6:9         9:3        12:829      13:16       15:26     
  16:1        17:23       20:41       24:1262     25:4        32:59     
  33:1        38:25       40:17       43:33       44:9        47:38     
  52:3        53:3        55:1        56:4        57:37       61:416    
  62:424      63:2723     64:2357     65:2485     66:2769     67:395    
  68:552      69:1        80:373      81:96      128:210     129:240    
 130:76      131:70      132:42      133:4       134:221     135:11     
 136:653     137:171     138:201     139:145     140:229     141:149    
 142:161     143:108     144:231     145:54      146:350     147:275    
 148:388     149:121     150:80      151:154     152:655     153:59     
 154:9       155:181     156:124     157:151     158:133     159:197    
 160:77      161:210     162:221     163:149     164:332     165:301    
 166:147     167:323     168:413     169:85      170:368     171:29     
 172:3       192:82      193:3439    194:2799    195:1174    196:1      
 198:16      199:27      200:55      202:65      203:56      204:5      
 205:4       206:14      207:8       208:3954    209:3517    210:964    
 211:464     212:1380    213:1187    216:4544    217:672     218:115    
 219:5      
