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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 14-10-2019 1746

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 76829     802426 76829 / 802426 = 0.0957
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 14.9800     0.59565558 14.9800 / 0.59565558 = 25.1488
Announced % of Total Address span 0.003094     66.174368 0.003094 / 66.174368 = 0.0000
Average Address Span per Announcement 31.2094     20.2101 31.2094 / 20.2101 = 1.5442
Average Announcement Length 42.2073     22.7374 42.2073 / 22.7374 = 1.8563
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 18197     66036 18197 / 66036 = 0.2756
Origin-only ASes 14674     56507 14674 / 56507 = 0.2597
Origin and Transit ASes 3299     9242 3299 / 9242 = 0.3570
Transit ASes 224     287 224 / 287 = 0.7805
ASs Announcing a single prefix 11712     23980 11712 / 23980 = 0.4884
Average Announcements per AS 4.2747     12.2044 4.2747 / 12.2044 = 0.3503
Average Address Range per AS (prefix) 29.1136     - 29.1136 / 12.2044 = 2.3855
Max Announcments for an AS 1482     499 1482 / 499 = 2.9699
Max Announced span for an AS 18.95     - 18.95 / 499 = 0.0380
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 40376     374456 40376 / 374456 = 0.1078
Number of More Specifics 36453     427970 36453 / 427970 = 0.0852
Specifics: % of Announcements 47.4469     53.3345 47.4469 / 53.3345 = 0.8896
Specifics: % of Address Space 7.5195     37.8951 7.5195 / 37.8951 = 0.1984



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 20377     188941 20377 / 188941 = 0.1078
Specifics where AS prepended Path matches aggregate % 55.90     44.15 55.90 / 44.15 = 1.2661
Specifics where AS Path matches aggregate 21069     197219 21069 / 197219 = 0.1068
Specifics where AS Path matches aggregate % 57.7977     46.0824 57.7977 / 46.0824 = 1.2542
Specifics where AS Origin matches aggregate 29717     316906 29717 / 316906 = 0.0938
Specifics where AS Origin matches aggregate % 81.5214     74.0486 81.5214 / 74.0486 = 1.1009
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 13039     41109 13039 / 41109 = 0.3172
Origin ASs announced via a single AS path 12769     40700 12769 / 40700 = 0.3137
Multi-Origin Prefixes 262     1878 262 / 1878 = 0.1395
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 66145     199033 66145 / 199033 = 0.3323
Selected AS Paths 11081     102737 11081 / 102737 = 0.1079
AS paths associated with a single FIB entry 15869     47470 15869 / 47470 = 0.3343
Unique AS prepended Paths 67369     212188 67369 / 212188 = 0.3175
AS Paths using prepending 7788     51932 7788 / 51932 = 0.1500
AS Paths using private ASs 34     38 34 / 38 = 0.8947
Average AS path length 4.7485     5.5512 4.7485 / 5.5512 = 0.8554
Average address weighted AS path length 4.7739     7.0292 4.7739 / 7.0292 = 0.6792
Maximum AS Path length 12     16 12 / 16 = 0.7500
Maximum prepended AS Path length 34     46 34 / 46 = 0.7391
Average entries per AS Path 1.1615     4.0316 1.1615 / 4.0316 = 0.2881
Average entries per Selected AS Path 3.3740     7.8105 3.3740 / 7.8105 = 0.4320
AS Paths per origin AS 3.6802     3.0272 3.6802 / 3.0272 = 1.2157
Selected AS Paths per origin AS 1.2670     1.5626 1.2670 / 1.5626 = 0.8108