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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 04-04-2020 0146

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 83802     829532 83802 / 829532 = 0.1010
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.0287     0.58909904 15.0287 / 0.58909904 = 25.5113
Announced % of Total Address span 0.002992     66.475792 0.002992 / 66.475792 = 0.0000
Average Address Span per Announcement 31.3834     20.2514 31.3834 / 20.2514 = 1.5497
Average Announcement Length 42.2459     22.7631 42.2459 / 22.7631 = 1.8559
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 19286     67828 19286 / 67828 = 0.2843
Origin-only ASes 15540     57981 15540 / 57981 = 0.2680
Origin and Transit ASes 3497     9544 3497 / 9544 = 0.3664
Transit ASes 249     303 249 / 303 = 0.8218
ASs Announcing a single prefix 12383     24228 12383 / 24228 = 0.5111
Average Announcements per AS 4.4021     12.2848 4.4021 / 12.2848 = 0.3583
Average Address Range per AS (prefix) 29.2452     - 29.2452 / 12.2848 = 2.3806
Max Announcments for an AS 2056     2055 2056 / 2055 = 1.0005
Max Announced span for an AS 18.95     - 18.95 / 2055 = 0.0092
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 43978     393172 43978 / 393172 = 0.1119
Number of More Specifics 39824     436360 39824 / 436360 = 0.0913
Specifics: % of Announcements 47.5215     52.6032 47.5215 / 52.6032 = 0.9034
Specifics: % of Address Space 7.9195     37.6676 7.9195 / 37.6676 = 0.2102



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 20699     189937 20699 / 189937 = 0.1090
Specifics where AS prepended Path matches aggregate % 51.98     43.53 51.98 / 43.53 = 1.1941
Specifics where AS Path matches aggregate 21314     198000 21314 / 198000 = 0.1076
Specifics where AS Path matches aggregate % 53.5205     45.3754 53.5205 / 45.3754 = 1.1795
Specifics where AS Origin matches aggregate 31602     328252 31602 / 328252 = 0.0963
Specifics where AS Origin matches aggregate % 79.3542     75.2250 79.3542 / 75.2250 = 1.0549
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 13647     41514 13647 / 41514 = 0.3287
Origin ASs announced via a single AS path 13375     41094 13375 / 41094 = 0.3255
Multi-Origin Prefixes 234     2111 234 / 2111 = 0.1108
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 70454     205989 70454 / 205989 = 0.3420
Selected AS Paths 11081     109028 11081 / 109028 = 0.1016
AS paths associated with a single FIB entry 17177     50747 17177 / 50747 = 0.3385
Unique AS prepended Paths 71816     220117 71816 / 220117 = 0.3263
AS Paths using prepending 9018     55505 9018 / 55505 = 0.1625
AS Paths using private ASs 20     37 20 / 37 = 0.5405
Average AS path length 4.7269     5.5641 4.7269 / 5.5641 = 0.8495
Average address weighted AS path length 4.8743     7.0214 4.8743 / 7.0214 = 0.6942
Maximum AS Path length 12     16 12 / 16 = 0.7500
Maximum prepended AS Path length 44     44 44 / 44 = 1.0000
Average entries per AS Path 1.1895     4.0271 1.1895 / 4.0271 = 0.2954
Average entries per Selected AS Path 3.3961     7.6084 3.3961 / 7.6084 = 0.4464
AS Paths per origin AS 3.7009     3.0506 3.7009 / 3.0506 = 1.2132
Selected AS Paths per origin AS 1.2962     1.6146 1.2962 / 1.6146 = 0.8028