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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 26-10-2014 0745

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 19888     522374 19888 / 522374 = 0.0381
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.8299     0.66276952 15.8299 / 0.66276952 = 23.8845
Announced % of Total Address span 0.001717     63.166454 0.001717 / 63.166454 = 0.0000
Average Address Span per Announcement 30.1095     19.6576 30.1095 / 19.6576 = 1.5317
Average Announcement Length 40.8795     22.4689 40.8795 / 22.4689 = 1.8194
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 8926     48656 8926 / 48656 = 0.1835
Origin-only ASes 7198     41575 7198 / 41575 = 0.1731
Origin and Transit ASes 1592     6866 1592 / 6866 = 0.2319
Transit ASes 136     215 136 / 215 = 0.6326
ASs Announcing a single prefix 6492     19573 6492 / 19573 = 0.3317
Average Announcements per AS 2.2626     10.7837 2.2626 / 10.7837 = 0.2098
Average Address Range per AS (prefix) 28.9315     - 28.9315 / 10.7837 = 2.6829
Max Announcments for an AS 447     956 447 / 956 = 0.4676
Max Announced span for an AS 19.00     - 19.00 / 956 = 0.0199
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 13634     253024 13634 / 253024 = 0.0539
Number of More Specifics 6254     269350 6254 / 269350 = 0.0232
Specifics: % of Announcements 31.4461     51.5627 31.4461 / 51.5627 = 0.6099
Specifics: % of Address Space 1.8366     32.6018 1.8366 / 32.6018 = 0.0563



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2639     122082 2639 / 122082 = 0.0216
Specifics where AS prepended Path matches aggregate % 42.20     45.32 42.20 / 45.32 = 0.9312
Specifics where AS Path matches aggregate 2894     129330 2894 / 129330 = 0.0224
Specifics where AS Path matches aggregate % 46.2744     48.0156 46.2744 / 48.0156 = 0.9637
Specifics where AS Origin matches aggregate 4300     197973 4300 / 197973 = 0.0217
Specifics where AS Origin matches aggregate % 68.7560     73.5003 68.7560 / 73.5003 = 0.9355
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6829     32014 6829 / 32014 = 0.2133
Origin ASs announced via a single AS path 6626     31507 6626 / 31507 = 0.2103
Multi-Origin Prefixes 110     2364 110 / 2364 = 0.0465
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 39339     205018 39339 / 205018 = 0.1919
Selected AS Paths 9976     70571 9976 / 70571 = 0.1414
AS paths associated with a single FIB entry 7649     33583 7649 / 33583 = 0.2278
Unique AS prepended Paths 39771     217310 39771 / 217310 = 0.1830
AS Paths using prepending 3097     48656 3097 / 48656 = 0.0637
AS Paths using private ASs 28     294 28 / 294 = 0.0952
Average AS path length 4.0100     4.4742 4.0100 / 4.4742 = 0.8962
Average address weighted AS path length 3.7422     5.3875 3.7422 / 5.3875 = 0.6946
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 25     120 25 / 120 = 0.2083
Average entries per AS Path 0.5056     2.5479 0.5056 / 2.5479 = 0.1984
Average entries per Selected AS Path 1.9936     7.4021 1.9936 / 7.4021 = 0.2693
AS Paths per origin AS 4.4754     4.2323 4.4754 / 4.2323 = 1.0574
Selected AS Paths per origin AS 1.1349     1.4568 1.1349 / 1.4568 = 0.7790