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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 21-10-2017 0946

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 43459     685868 43459 / 685868 = 0.0634
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.4241     0.58773065 15.4241 / 0.58773065 = 26.2435
Announced % of Total Address span 0.002274     66.538874 0.002274 / 66.538874 = 0.0000
Average Address Span per Announcement 30.8315     19.9756 30.8315 / 19.9756 = 1.5435
Average Announcement Length 41.4845     22.6407 41.4845 / 22.6407 = 1.8323
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 14189     59065 14189 / 59065 = 0.2402
Origin-only ASes 11612     50695 11612 / 50695 = 0.2291
Origin and Transit ASes 2374     8111 2374 / 8111 = 0.2927
Transit ASes 203     259 203 / 259 = 0.7838
ASs Announcing a single prefix 9786     22159 9786 / 22159 = 0.4416
Average Announcements per AS 3.1073     11.6632 3.1073 / 11.6632 = 0.2664
Average Address Range per AS (prefix) 29.1958     - 29.1958 / 11.6632 = 2.5032
Max Announcments for an AS 1253     4017 1253 / 4017 = 0.3119
Max Announced span for an AS 18.95     - 18.95 / 4017 = 0.0047
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 27371     321398 27371 / 321398 = 0.0852
Number of More Specifics 16088     364470 16088 / 364470 = 0.0441
Specifics: % of Announcements 37.0188     53.1400 37.0188 / 53.1400 = 0.6966
Specifics: % of Address Space 2.5322     36.3869 2.5322 / 36.3869 = 0.0696



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 8689     160420 8689 / 160420 = 0.0542
Specifics where AS prepended Path matches aggregate % 54.01     44.01 54.01 / 44.01 = 1.2272
Specifics where AS Path matches aggregate 9106     169768 9106 / 169768 = 0.0536
Specifics where AS Path matches aggregate % 56.6012     46.5794 56.6012 / 46.5794 = 1.2152
Specifics where AS Origin matches aggregate 13230     275950 13230 / 275950 = 0.0479
Specifics where AS Origin matches aggregate % 82.2352     75.7127 82.2352 / 75.7127 = 1.0861
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 10691     37184 10691 / 37184 = 0.2875
Origin ASs announced via a single AS path 10458     36844 10458 / 36844 = 0.2838
Multi-Origin Prefixes 376     1957 376 / 1957 = 0.1921
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 32517     172875 32517 / 172875 = 0.1881
Selected AS Paths 11081     90416 11081 / 90416 = 0.1226
AS paths associated with a single FIB entry 12177     41918 12177 / 41918 = 0.2905
Unique AS prepended Paths 32969     184093 32969 / 184093 = 0.1791
AS Paths using prepending 2593     41555 2593 / 41555 = 0.0624
AS Paths using private ASs 3     64 3 / 64 = 0.0469
Average AS path length 5.4611     5.7219 5.4611 / 5.7219 = 0.9544
Average address weighted AS path length 5.2065     7.0158 5.2065 / 7.0158 = 0.7421
Maximum AS Path length 16     16 16 / 16 = 1.0000
Maximum prepended AS Path length 26     37 26 / 37 = 0.7027
Average entries per AS Path 1.3365     3.9674 1.3365 / 3.9674 = 0.3369
Average entries per Selected AS Path 2.5922     7.5857 2.5922 / 7.5857 = 0.3417
AS Paths per origin AS 2.3250     2.9398 2.3250 / 2.9398 = 0.7909
Selected AS Paths per origin AS 1.1987     1.5375 1.1987 / 1.5375 = 0.7796