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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 10-02-2010 0045

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 855     219603 855 / 219603 = 0.0039
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 16.8245     1.30814860 16.8245 / 1.30814860 = 12.8613
Announced % of Total Address span 0.000862     40.383879 0.000862 / 40.383879 = 0.0000
Average Address Span per Announcement 26.5643     19.0527 26.5643 / 19.0527 = 1.3943
Average Announcement Length 34.8035     22.2448 34.8035 / 22.2448 = 1.5646
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 741     25296 741 / 25296 = 0.0293
Origin-only ASes 548     17678 548 / 17678 = 0.0310
Origin and Transit ASes 166     7532 166 / 7532 = 0.0220
Transit ASes 27     86 27 / 86 = 0.3140
ASs Announcing a single prefix 624     10722 624 / 10722 = 0.0582
Average Announcements per AS 1.1975     8.7109 1.1975 / 8.7109 = 0.1375
Average Address Range per AS (prefix) 26.3043     - 26.3043 / 8.7109 = 3.0197
Max Announcments for an AS 19     1477 19 / 1477 = 0.0129
Max Announced span for an AS 19.00     - 19.00 / 1477 = 0.0129
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 723     107953 723 / 107953 = 0.0067
Number of More Specifics 132     111650 132 / 111650 = 0.0012
Specifics: % of Announcements 15.4386     50.8417 15.4386 / 50.8417 = 0.3037
Specifics: % of Address Space 0.0274     23.0807 0.0274 / 23.0807 = 0.0012


Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 23     40676 23 / 40676 = 0.0006
Specifics where AS prepended Path matches aggregate % 17.42     36.43 17.42 / 36.43 = 0.4782
Specifics where AS Path matches aggregate 23     42911 23 / 42911 = 0.0005
Specifics where AS Path matches aggregate % 17.4242     38.4335 17.4242 / 38.4335 = 0.4534
Specifics where AS Origin matches aggregate 46     61937 46 / 61937 = 0.0007
Specifics where AS Origin matches aggregate % 34.8485     55.4742 34.8485 / 55.4742 = 0.6282
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 561     17730 561 / 17730 = 0.0316
Origin ASs announced via a single AS path 548     17678 548 / 17678 = 0.0310
Multi-Origin Prefixes 6     93 6 / 93 = 0.0645
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 2925     66876 2925 / 66876 = 0.0437
Selected AS Paths 737     33552 737 / 33552 = 0.0220
AS paths associated with a single FIB entry 667     16239 667 / 16239 = 0.0411
Unique AS prepended Paths 2926     69970 2926 / 69970 = 0.0418
AS Paths using prepending 111     12650 111 / 12650 = 0.0088
AS Paths using private ASs 1     2 1 / 2 = 0.5000
Average AS path length 4.8012     3.6324 4.8012 / 3.6324 = 1.3218
Average address weighted AS path length 3.4635     3.9416 3.4635 / 3.9416 = 0.8787
Maximum AS Path length 13     12 13 / 12 = 1.0833
Maximum prepended AS Path length 13     27 13 / 27 = 0.4815
Average entries per AS Path 0.2923     3.2837 0.2923 / 3.2837 = 0.0890
Average entries per Selected AS Path 1.1601     6.5452 1.1601 / 6.5452 = 0.1772
AS Paths per origin AS 4.0966     2.6528 4.0966 / 2.6528 = 1.5443
Selected AS Paths per origin AS 1.0322     1.3309 1.0322 / 1.3309 = 0.7756