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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 24-08-2017 1046

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 42359     680729 42359 / 680729 = 0.0622
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.4356     0.59049915 15.4356 / 0.59049915 = 26.1399
Announced % of Total Address span 0.002256     66.411309 0.002256 / 66.411309 = 0.0000
Average Address Span per Announcement 30.8060     19.9673 30.8060 / 19.9673 = 1.5428
Average Announcement Length 41.4867     22.6348 41.4867 / 22.6348 = 1.8329
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 13871     58446 13871 / 58446 = 0.2373
Origin-only ASes 11345     50220 11345 / 50220 = 0.2259
Origin and Transit ASes 2335     7975 2335 / 7975 = 0.2928
Transit ASes 191     251 191 / 251 = 0.7610
ASs Announcing a single prefix 9565     22013 9565 / 22013 = 0.4345
Average Announcements per AS 3.0964     11.6974 3.0964 / 11.6974 = 0.2647
Average Address Range per AS (prefix) 29.1754     - 29.1754 / 11.6974 = 2.4942
Max Announcments for an AS 1376     3989 1376 / 3989 = 0.3449
Max Announced span for an AS 18.95     - 18.95 / 3989 = 0.0048
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 26247     318999 26247 / 318999 = 0.0823
Number of More Specifics 16112     361730 16112 / 361730 = 0.0445
Specifics: % of Announcements 38.0368     53.1386 38.0368 / 53.1386 = 0.7158
Specifics: % of Address Space 2.5548     36.3690 2.5548 / 36.3690 = 0.0702



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 8949     155990 8949 / 155990 = 0.0574
Specifics where AS prepended Path matches aggregate % 55.54     43.12 55.54 / 43.12 = 1.2880
Specifics where AS Path matches aggregate 9341     165193 9341 / 165193 = 0.0565
Specifics where AS Path matches aggregate % 57.9754     45.6675 57.9754 / 45.6675 = 1.2695
Specifics where AS Origin matches aggregate 13386     273867 13386 / 273867 = 0.0489
Specifics where AS Origin matches aggregate % 83.0809     75.7103 83.0809 / 75.7103 = 1.0974
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 10390     36736 10390 / 36736 = 0.2828
Origin ASs announced via a single AS path 10195     36423 10195 / 36423 = 0.2799
Multi-Origin Prefixes 94     2065 94 / 2065 = 0.0455
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 31733     171529 31733 / 171529 = 0.1850
Selected AS Paths 11081     90184 11081 / 90184 = 0.1229
AS paths associated with a single FIB entry 11994     41786 11994 / 41786 = 0.2870
Unique AS prepended Paths 32181     182515 32181 / 182515 = 0.1763
AS Paths using prepending 2662     40994 2662 / 40994 = 0.0649
AS Paths using private ASs 1     50 1 / 50 = 0.0200
Average AS path length 5.4466     5.7105 5.4466 / 5.7105 = 0.9538
Average address weighted AS path length 5.2008     6.9986 5.2008 / 6.9986 = 0.7431
Maximum AS Path length 16     16 16 / 16 = 1.0000
Maximum prepended AS Path length 26     58 26 / 58 = 0.4483
Average entries per AS Path 1.3349     3.9686 1.3349 / 3.9686 = 0.3364
Average entries per Selected AS Path 2.5796     7.5482 2.5796 / 7.5482 = 0.3418
AS Paths per origin AS 2.3197     2.9475 2.3197 / 2.9475 = 0.7870
Selected AS Paths per origin AS 1.2004     1.5497 1.2004 / 1.5497 = 0.7746