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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 03-03-2015 0245

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 21697     542532 21697 / 542532 = 0.0400
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.6540     0.65162473 15.6540 / 0.65162473 = 24.0230
Announced % of Total Address span 0.001939     63.656303 0.001939 / 63.656303 = 0.0000
Average Address Span per Announcement 30.0593     19.7011 30.0593 / 19.7011 = 1.5258
Average Announcement Length 41.0056     22.4885 41.0056 / 22.4885 = 1.8234
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 9320     49754 9320 / 49754 = 0.1873
Origin-only ASes 7510     42532 7510 / 42532 = 0.1766
Origin and Transit ASes 1675     7018 1675 / 7018 = 0.2387
Transit ASes 135     204 135 / 204 = 0.6618
ASs Announcing a single prefix 6776     19856 6776 / 19856 = 0.3413
Average Announcements per AS 2.3622     10.9492 2.3622 / 10.9492 = 0.2157
Average Address Range per AS (prefix) 28.8191     - 28.8191 / 10.9492 = 2.6321
Max Announcments for an AS 492     957 492 / 957 = 0.5141
Max Announced span for an AS 19.00     - 19.00 / 957 = 0.0199
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 15123     260518 15123 / 260518 = 0.0580
Number of More Specifics 6574     282014 6574 / 282014 = 0.0233
Specifics: % of Announcements 30.2991     51.9811 30.2991 / 51.9811 = 0.5829
Specifics: % of Address Space 1.6439     33.1012 1.6439 / 33.1012 = 0.0497



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2986     129728 2986 / 129728 = 0.0230
Specifics where AS prepended Path matches aggregate % 45.42     46.00 45.42 / 46.00 = 0.9874
Specifics where AS Path matches aggregate 3222     138222 3222 / 138222 = 0.0233
Specifics where AS Path matches aggregate % 49.0113     49.0125 49.0113 / 49.0125 = 1.0000
Specifics where AS Origin matches aggregate 4764     206660 4764 / 206660 = 0.0231
Specifics where AS Origin matches aggregate % 72.4673     73.2800 72.4673 / 73.2800 = 0.9889
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 7093     32530 7093 / 32530 = 0.2180
Origin ASs announced via a single AS path 6888     32028 6888 / 32028 = 0.2151
Multi-Origin Prefixes 98     2423 98 / 2423 = 0.0404
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 41485     211591 41485 / 211591 = 0.1961
Selected AS Paths 10597     72580 10597 / 72580 = 0.1460
AS paths associated with a single FIB entry 8118     34487 8118 / 34487 = 0.2354
Unique AS prepended Paths 41930     224663 41930 / 224663 = 0.1866
AS Paths using prepending 3289     50472 3289 / 50472 = 0.0652
AS Paths using private ASs 12     279 12 / 279 = 0.0430
Average AS path length 4.0256     4.4776 4.0256 / 4.4776 = 0.8991
Average address weighted AS path length 3.6662     5.3374 3.6662 / 5.3374 = 0.6869
Maximum AS Path length 12     13 12 / 13 = 0.9231
Maximum prepended AS Path length 25     50 25 / 50 = 0.5000
Average entries per AS Path 0.5230     2.5641 0.5230 / 2.5641 = 0.2040
Average entries per Selected AS Path 2.0475     7.4750 2.0475 / 7.4750 = 0.2739
AS Paths per origin AS 4.5166     4.2703 4.5166 / 4.2703 = 1.0577
Selected AS Paths per origin AS 1.1537     1.4648 1.1537 / 1.4648 = 0.7876