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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 14-04-2021 0846

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 120306     876571 120306 / 876571 = 0.1372
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 14.9343     0.53848914 14.9343 / 0.53848914 = 27.7337
Announced % of Total Address span 0.003194     68.849155 0.003194 / 68.849155 = 0.0000
Average Address Span per Announcement 31.8107     20.2802 31.8107 / 20.2802 = 1.5686
Average Announcement Length 42.5589     22.7812 42.5589 / 22.7812 = 1.8682
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 22303     71214 22303 / 71214 = 0.3132
Origin-only ASes 18021     60941 18021 / 60941 = 0.2957
Origin and Transit ASes 4003     9932 4003 / 9932 = 0.4030
Transit ASes 279     341 279 / 341 = 0.8182
ASs Announcing a single prefix 13830     25009 13830 / 25009 = 0.5530
Average Announcements per AS 5.4625     12.3682 5.4625 / 12.3682 = 0.4417
Average Address Range per AS (prefix) 29.3611     - 29.3611 / 12.3682 = 2.3739
Max Announcments for an AS 2944     824 2944 / 824 = 3.5728
Max Announced span for an AS 18.95     - 18.95 / 824 = 0.0230
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 51992     406690 51992 / 406690 = 0.1278
Number of More Specifics 68314     469881 68314 / 469881 = 0.1454
Specifics: % of Announcements 56.7835     53.6044 56.7835 / 53.6044 = 1.0593
Specifics: % of Address Space 4.7942     37.9386 4.7942 / 37.9386 = 0.1264



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 31037     207287 31037 / 207287 = 0.1497
Specifics where AS prepended Path matches aggregate % 45.43     44.11 45.43 / 44.11 = 1.0299
Specifics where AS Path matches aggregate 32223     217195 32223 / 217195 = 0.1484
Specifics where AS Path matches aggregate % 47.1690     46.2234 47.1690 / 46.2234 = 1.0205
Specifics where AS Origin matches aggregate 50750     358450 50750 / 358450 = 0.1416
Specifics where AS Origin matches aggregate % 74.2893     76.2853 74.2893 / 76.2853 = 0.9738
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 15819     43051 15819 / 43051 = 0.3674
Origin ASs announced via a single AS path 15498     42661 15498 / 42661 = 0.3633
Multi-Origin Prefixes 398     1852 398 / 1852 = 0.2149
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 87273     227222 87273 / 227222 = 0.3841
Selected AS Paths 11081     115580 11081 / 115580 = 0.0959
AS paths associated with a single FIB entry 19298     54023 19298 / 54023 = 0.3572
Unique AS prepended Paths 89011     243071 89011 / 243071 = 0.3662
AS Paths using prepending 10751     60147 10751 / 60147 = 0.1787
AS Paths using private ASs 51     54 51 / 54 = 0.9444
Average AS path length 4.7822     5.3169 4.7822 / 5.3169 = 0.8994
Average address weighted AS path length 4.6106     6.7616 4.6106 / 6.7616 = 0.6819
Maximum AS Path length 12     15 12 / 15 = 0.8000
Maximum prepended AS Path length 32     40 32 / 40 = 0.8000
Average entries per AS Path 1.3785     3.8578 1.3785 / 3.8578 = 0.3573
Average entries per Selected AS Path 4.2133     7.5841 4.2133 / 7.5841 = 0.5555
AS Paths per origin AS 3.9626     3.2060 3.9626 / 3.2060 = 1.2360
Selected AS Paths per origin AS 1.2965     1.6308 1.2965 / 1.6308 = 0.7950