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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 16-04-2014 0945

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 17808     499313 17808 / 499313 = 0.0357
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.8758     0.68635953 15.8758 / 0.68635953 = 23.1304
Announced % of Total Address span 0.001663     62.141995 0.001663 / 62.141995 = 0.0000
Average Address Span per Announcement 29.9961     19.6160 29.9961 / 19.6160 = 1.5292
Average Announcement Length 40.6583     22.4450 40.6583 / 22.4450 = 1.8115
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 8207     46805 8207 / 46805 = 0.1753
Origin-only ASes 6642     40122 6642 / 40122 = 0.1655
Origin and Transit ASes 1433     6489 1433 / 6489 = 0.2208
Transit ASes 132     194 132 / 194 = 0.6804
ASs Announcing a single prefix 6043     19082 6043 / 19082 = 0.3167
Average Announcements per AS 2.2053     10.7123 2.2053 / 10.7123 = 0.2059
Average Address Range per AS (prefix) 28.8551     - 28.8551 / 10.7123 = 2.6936
Max Announcments for an AS 360     946 360 / 946 = 0.3805
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 12144     242628 12144 / 242628 = 0.0501
Number of More Specifics 5664     256685 5664 / 256685 = 0.0221
Specifics: % of Announcements 31.8059     51.4076 31.8059 / 51.4076 = 0.6187
Specifics: % of Address Space 1.7250     31.7519 1.7250 / 31.7519 = 0.0543


Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2248     110930 2248 / 110930 = 0.0203
Specifics where AS prepended Path matches aggregate % 39.69     43.22 39.69 / 43.22 = 0.9183
Specifics where AS Path matches aggregate 2351     118243 2351 / 118243 = 0.0199
Specifics where AS Path matches aggregate % 41.5078     46.0654 41.5078 / 46.0654 = 0.9011
Specifics where AS Origin matches aggregate 4014     187690 4014 / 187690 = 0.0214
Specifics where AS Origin matches aggregate % 70.8686     73.1208 70.8686 / 73.1208 = 0.9692
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6237     30567 6237 / 30567 = 0.2040
Origin ASs announced via a single AS path 6072     30232 6072 / 30232 = 0.2008
Multi-Origin Prefixes 85     1028 85 / 1028 = 0.0827
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 27168     133448 27168 / 133448 = 0.2036
Selected AS Paths 9329     69853 9329 / 69853 = 0.1336
AS paths associated with a single FIB entry 7262     33773 7262 / 33773 = 0.2150
Unique AS prepended Paths 27456     141111 27456 / 141111 = 0.1946
AS Paths using prepending 1909     33345 1909 / 33345 = 0.0572
AS Paths using private ASs 33     141 33 / 141 = 0.2340
Average AS path length 4.7355     5.7795 4.7355 / 5.7795 = 0.8194
Average address weighted AS path length 4.4955     6.9487 4.4955 / 6.9487 = 0.6470
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 20     55 20 / 55 = 0.3636
Average entries per AS Path 0.6555     3.7416 0.6555 / 3.7416 = 0.1752
Average entries per Selected AS Path 1.9089     7.1481 1.9089 / 7.1481 = 0.2670
AS Paths per origin AS 3.3645     2.8630 3.3645 / 2.8630 = 1.1752
Selected AS Paths per origin AS 1.1553     1.4986 1.1553 / 1.4986 = 0.7709