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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 31-07-2014 0045

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 18697     510356 18697 / 510356 = 0.0366
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.9253     0.66443850 15.9253 / 0.66443850 = 23.9681
Announced % of Total Address span 0.001607     63.093422 0.001607 / 63.093422 = 0.0000
Average Address Span per Announcement 30.1159     19.6258 30.1159 / 19.6258 = 1.5345
Average Announcement Length 40.7242     22.4421 40.7242 / 22.4421 = 1.8146
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 8597     47750 8597 / 47750 = 0.1800
Origin-only ASes 6949     40928 6949 / 40928 = 0.1698
Origin and Transit ASes 1505     6623 1505 / 6623 = 0.2272
Transit ASes 143     199 143 / 199 = 0.7186
ASs Announcing a single prefix 6265     19370 6265 / 19370 = 0.3234
Average Announcements per AS 2.2116     10.7328 2.2116 / 10.7328 = 0.2061
Average Address Range per AS (prefix) 28.9708     - 28.9708 / 10.7328 = 2.6993
Max Announcments for an AS 396     946 396 / 946 = 0.4186
Max Announced span for an AS 19.00     - 19.00 / 946 = 0.0201
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 12828     248334 12828 / 248334 = 0.0517
Number of More Specifics 5869     262022 5869 / 262022 = 0.0224
Specifics: % of Announcements 31.3901     51.3410 31.3901 / 51.3410 = 0.6114
Specifics: % of Address Space 1.9536     31.9936 1.9536 / 31.9936 = 0.0611



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2387     114084 2387 / 114084 = 0.0209
Specifics where AS prepended Path matches aggregate % 40.67     43.54 40.67 / 43.54 = 0.9341
Specifics where AS Path matches aggregate 2594     122199 2594 / 122199 = 0.0212
Specifics where AS Path matches aggregate % 44.1983     46.6369 44.1983 / 46.6369 = 0.9477
Specifics where AS Origin matches aggregate 4018     191500 4018 / 191500 = 0.0210
Specifics where AS Origin matches aggregate % 68.4614     73.0855 68.4614 / 73.0855 = 0.9367
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6550     31095 6550 / 31095 = 0.2106
Origin ASs announced via a single AS path 6372     30746 6372 / 30746 = 0.2072
Multi-Origin Prefixes 75     1208 75 / 1208 = 0.0621
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 28604     137039 28604 / 137039 = 0.2087
Selected AS Paths 9713     71652 9713 / 71652 = 0.1356
AS paths associated with a single FIB entry 7474     34506 7474 / 34506 = 0.2166
Unique AS prepended Paths 28933     144877 28933 / 144877 = 0.1997
AS Paths using prepending 2123     34137 2123 / 34137 = 0.0622
AS Paths using private ASs 25     122 25 / 122 = 0.2049
Average AS path length 4.6898     5.7932 4.6898 / 5.7932 = 0.8095
Average address weighted AS path length 4.4098     6.9568 4.4098 / 6.9568 = 0.6339
Maximum AS Path length 13     14 13 / 14 = 0.9286
Maximum prepended AS Path length 27     55 27 / 55 = 0.4909
Average entries per AS Path 0.6536     3.7242 0.6536 / 3.7242 = 0.1755
Average entries per Selected AS Path 1.9249     7.1227 1.9249 / 7.1227 = 0.2702
AS Paths per origin AS 3.3835     2.8819 3.3835 / 2.8819 = 1.1741
Selected AS Paths per origin AS 1.1489     1.5068 1.1489 / 1.5068 = 0.7625