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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 08-02-2012 1745

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 7917     398642 7917 / 398642 = 0.0199
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 16.1726     0.77273363 16.1726 / 0.77273363 = 20.9291
Announced % of Total Address span 0.001354     58.530738 0.001354 / 58.530738 = 0.0000
Average Address Span per Announcement 29.1234     19.3775 29.1234 / 19.3775 = 1.5029
Average Announcement Length 38.6164     22.3801 38.6164 / 22.3801 = 1.7255
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 5120     40139 5120 / 40139 = 0.1276
Origin-only ASes 4118     34428 4118 / 34428 = 0.1196
Origin and Transit ASes 922     5555 922 / 5555 = 0.1660
Transit ASes 80     156 80 / 156 = 0.5128
ASs Announcing a single prefix 4074     16838 4074 / 16838 = 0.2420
Average Announcements per AS 1.5708     9.9703 1.5708 / 9.9703 = 0.1575
Average Address Range per AS (prefix) 28.4718     - 28.4718 / 9.9703 = 2.8557
Max Announcments for an AS 97     1095 97 / 1095 = 0.0886
Max Announced span for an AS 19.00     - 19.00 / 1095 = 0.0174
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 5965     192088 5965 / 192088 = 0.0311
Number of More Specifics 1952     206554 1952 / 206554 = 0.0095
Specifics: % of Announcements 24.6558     51.8144 24.6558 / 51.8144 = 0.4758
Specifics: % of Address Space 0.7192     28.0242 0.7192 / 28.0242 = 0.0257


Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 681     84483 681 / 84483 = 0.0081
Specifics where AS prepended Path matches aggregate % 34.89     40.90 34.89 / 40.90 = 0.8531
Specifics where AS Path matches aggregate 688     89750 688 / 89750 = 0.0077
Specifics where AS Path matches aggregate % 35.2459     43.4511 35.2459 / 43.4511 = 0.8112
Specifics where AS Origin matches aggregate 1173     143843 1173 / 143843 = 0.0082
Specifics where AS Origin matches aggregate % 60.0922     69.6394 60.0922 / 69.6394 = 0.8629
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 3984     26837 3984 / 26837 = 0.1485
Origin ASs announced via a single AS path 3869     26524 3869 / 26524 = 0.1459
Multi-Origin Prefixes 23     1323 23 / 1323 = 0.0174
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 16307     110162 16307 / 110162 = 0.1480
Selected AS Paths 5540     57234 5540 / 57234 = 0.0968
AS paths associated with a single FIB entry 4610     27837 4610 / 27837 = 0.1656
Unique AS prepended Paths 16379     115883 16379 / 115883 = 0.1413
AS Paths using prepending 1015     25632 1015 / 25632 = 0.0396
AS Paths using private ASs 4     61 4 / 61 = 0.0656
Average AS path length 4.5920     5.7085 4.5920 / 5.7085 = 0.8044
Average address weighted AS path length 4.2671     6.6750 4.2671 / 6.6750 = 0.6393
Maximum AS Path length 12     13 12 / 13 = 0.9231
Maximum prepended AS Path length 17     35 17 / 35 = 0.4857
Average entries per AS Path 0.4855     3.6187 0.4855 / 3.6187 = 0.1342
Average entries per Selected AS Path 1.4291     6.9651 1.4291 / 6.9651 = 0.2052
AS Paths per origin AS 3.2355     2.7552 3.2355 / 2.7552 = 1.1743
Selected AS Paths per origin AS 1.0992     1.4315 1.0992 / 1.4315 = 0.7679