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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 28-08-2014 0645

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 19043     514685 19043 / 514685 = 0.0370
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.8400     0.66172147 15.8400 / 0.66172147 = 23.9376
Announced % of Total Address span 0.001705     63.212357 0.001705 / 63.212357 = 0.0000
Average Address Span per Announcement 30.0569     19.6353 30.0569 / 19.6353 = 1.5308
Average Announcement Length 40.7498     22.4539 40.7498 / 22.4539 = 1.8148
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 8696     48117 8696 / 48117 = 0.1807
Origin-only ASes 7008     41094 7008 / 41094 = 0.1705
Origin and Transit ASes 1549     6807 1549 / 6807 = 0.2276
Transit ASes 139     216 139 / 216 = 0.6435
ASs Announcing a single prefix 6319     19489 6319 / 19489 = 0.3242
Average Announcements per AS 2.2254     10.7448 2.2254 / 10.7448 = 0.2071
Average Address Range per AS (prefix) 28.9029     - 28.9029 / 10.7448 = 2.6899
Max Announcments for an AS 407     953 407 / 953 = 0.4271
Max Announced span for an AS 19.00     - 19.00 / 953 = 0.0199
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 13176     249987 13176 / 249987 = 0.0527
Number of More Specifics 5867     264698 5867 / 264698 = 0.0222
Specifics: % of Announcements 30.8092     51.4291 30.8092 / 51.4291 = 0.5991
Specifics: % of Address Space 1.8368     31.8640 1.8368 / 31.8640 = 0.0576



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2264     121794 2264 / 121794 = 0.0186
Specifics where AS prepended Path matches aggregate % 38.59     46.01 38.59 / 46.01 = 0.8387
Specifics where AS Path matches aggregate 2484     129138 2484 / 129138 = 0.0192
Specifics where AS Path matches aggregate % 42.3385     48.7869 42.3385 / 48.7869 = 0.8678
Specifics where AS Origin matches aggregate 3971     193257 3971 / 193257 = 0.0205
Specifics where AS Origin matches aggregate % 67.6837     73.0104 67.6837 / 73.0104 = 0.9270
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6615     31962 6615 / 31962 = 0.2070
Origin ASs announced via a single AS path 6412     31458 6412 / 31458 = 0.2038
Multi-Origin Prefixes 93     1917 93 / 1917 = 0.0485
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 38348     202797 38348 / 202797 = 0.1891
Selected AS Paths 9851     68976 9851 / 68976 = 0.1428
AS paths associated with a single FIB entry 7603     32709 7603 / 32709 = 0.2324
Unique AS prepended Paths 38766     214944 38766 / 214944 = 0.1804
AS Paths using prepending 3062     47972 3062 / 47972 = 0.0638
AS Paths using private ASs 27     256 27 / 256 = 0.1055
Average AS path length 4.0263     4.4530 4.0263 / 4.4530 = 0.9042
Average address weighted AS path length 3.7310     5.3546 3.7310 / 5.3546 = 0.6968
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 27     55 27 / 55 = 0.4909
Average entries per AS Path 0.4966     2.5379 0.4966 / 2.5379 = 0.1957
Average entries per Selected AS Path 1.9331     7.4618 1.9331 / 7.4618 = 0.2591
AS Paths per origin AS 4.4815     4.2337 4.4815 / 4.2337 = 1.0585
Selected AS Paths per origin AS 1.1512     1.4400 1.1512 / 1.4400 = 0.7994