Advertised prefixes smaller than registry allocations (per /8 block)
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   2:2170      5:6410     24:5366     31:3535     37:6130     41:4721   
  46:6473     50:3095     62:3674     63:2464     64:7461     65:3190   
  66:6337     67:4511     68:2697     69:5528     70:2698     71:1063   
  72:4410     74:3822     75:2221     76:955      77:3570     78:2622   
  79:2274     80:2828     81:2635     82:2268     83:1846     84:2426   
  85:4870     86:1214     87:3281     88:1821     89:5668     90:1589   
  91:11837    92:3685     93:3555     94:5219     95:6129     96:1997   
  97:537      98:1890     99:945     100:97      102:4179    103:9      
 105:1174    107:3400    108:1829    109:4964    173:4906    174:2150   
 176:5012    177:8010    178:4857    179:3257    180:1       181:4573   
 184:3469    185:24462   186:7134    187:6329    188:6145    189:5833   
 190:10958   191:2511    197:3341    201:7736    203:1       208:4812   
 209:5770    212:5414    213:4733    216:7756    217:3827   
