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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 31-08-2015 0145

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 24342     566043 24342 / 566043 = 0.0430
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 5.9987     0.62043106 5.9987 / 0.62043106 = 9.6686
Announced % of Total Address span 1.563926     65.047655 1.563926 / 65.047655 = 0.0240
Average Address Span per Announcement 20.5698     19.7312 20.5698 / 19.7312 = 1.0425
Average Announcement Length 41.8547     22.5116 41.8547 / 22.5116 = 1.8593
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 10118     51537 10118 / 51537 = 0.1963
Origin-only ASes 8177     44090 8177 / 44090 = 0.1855
Origin and Transit ASes 1793     7227 1793 / 7227 = 0.2481
Transit ASes 148     220 148 / 220 = 0.6727
ASs Announcing a single prefix 7318     20440 7318 / 20440 = 0.3580
Average Announcements per AS 2.4415     11.0303 2.4415 / 11.0303 = 0.2213
Average Address Range per AS (prefix) 19.2821     - 19.2821 / 11.0303 = 1.7481
Max Announcments for an AS 444     971 444 / 971 = 0.4573
Max Announced span for an AS 6.00     - 6.00 / 971 = 0.0062
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 10315     270914 10315 / 270914 = 0.0381
Number of More Specifics 14027     295129 14027 / 295129 = 0.0475
Specifics: % of Announcements 57.6247     52.1390 57.6247 / 52.1390 = 1.1052
Specifics: % of Address Space 0.0388     33.2522 0.0388 / 33.2522 = 0.0012



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 3529     141637 3529 / 141637 = 0.0249
Specifics where AS prepended Path matches aggregate % 25.16     47.99 25.16 / 47.99 = 0.5243
Specifics where AS Path matches aggregate 3796     148519 3796 / 148519 = 0.0256
Specifics where AS Path matches aggregate % 27.0621     50.3234 27.0621 / 50.3234 = 0.5378
Specifics where AS Origin matches aggregate 5451     214754 5451 / 214754 = 0.0254
Specifics where AS Origin matches aggregate % 38.8608     72.7661 38.8608 / 72.7661 = 0.5341
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 7717     33885 7717 / 33885 = 0.2277
Origin ASs announced via a single AS path 7511     33403 7511 / 33403 = 0.2249
Multi-Origin Prefixes 94     1762 94 / 1762 = 0.0533
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 45230     220062 45230 / 220062 = 0.2055
Selected AS Paths 11081     74369 11081 / 74369 = 0.1490
AS paths associated with a single FIB entry 8704     35026 8704 / 35026 = 0.2485
Unique AS prepended Paths 45736     233685 45736 / 233685 = 0.1957
AS Paths using prepending 3562     49571 3562 / 49571 = 0.0719
AS Paths using private ASs 4     278 4 / 278 = 0.0144
Average AS path length 3.9936     4.4188 3.9936 / 4.4188 = 0.9038
Average address weighted AS path length 5.0000     5.2372 5.0000 / 5.2372 = 0.9547
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 25     47 25 / 47 = 0.5319
Average entries per AS Path 0.5382     2.5722 0.5382 / 2.5722 = 0.2092
Average entries per Selected AS Path 2.1272     7.6113 2.1272 / 7.6113 = 0.2795
AS Paths per origin AS 4.5366     4.2883 4.5366 / 4.2883 = 1.0579
Selected AS Paths per origin AS 1.1477     1.4492 1.1477 / 1.4492 = 0.7920