Advertised prefixes smaller than registry allocations (per /8 block)
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   4:8         6:9        12:1083     13:16       15:29       16:16     
  17:16       20:46       24:1223     25:1        32:267      34:1      
  38:59       40:34       43:8        44:2        47:25       52:3      
  53:3        55:1        56:6        57:84       61:485      62:779    
  63:2478     64:2778     65:2808     66:4519     67:974      68:1841   
  69:772      80:582      81:312      82:98      128:239     129:389    
 130:125     131:134     132:56      133:1       134:294     135:22     
 136:255     137:183     138:203     139:132     140:231     141:247    
 142:166     143:112     144:138     145:109     146:479     147:135    
 148:501     149:135     150:175     151:139     152:518     153:97     
 154:3       155:239     156:89      157:115     158:195     159:211    
 160:118     161:148     162:481     163:116     164:410     165:319    
 166:242     167:295     168:374     169:136     170:521     171:42     
 192:13      193:3640    194:2848    195:2134    196:1       198:31     
 199:9       200:55      201:6       202:56      203:222     204:46     
 205:1       206:31      207:14      208:3634    209:3581    210:1322   
 211:552     212:1472    213:1538    215:3       216:4733    217:1069   
 218:176     219:160     220:246     221:19     
