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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 20-05-2013 0745

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 12960     456775 12960 / 456775 = 0.0284
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 9.9845     0.71493774 9.9845 / 0.71493774 = 13.9656
Announced % of Total Address span 0.098713     60.923142 0.098713 / 60.923142 = 0.0016
Average Address Span per Announcement 23.6462     19.5162 23.6462 / 19.5162 = 1.2116
Average Announcement Length 39.8644     22.4245 39.8644 / 22.4245 = 1.7777
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 7063     44201 7063 / 44201 = 0.1598
Origin-only ASes 5723     37826 5723 / 37826 = 0.1513
Origin and Transit ASes 1230     6203 1230 / 6203 = 0.1983
Transit ASes 110     172 110 / 172 = 0.6395
ASs Announcing a single prefix 5369     18298 5369 / 18298 = 0.2934
Average Announcements per AS 1.8639     10.3744 1.8639 / 10.3744 = 0.1797
Average Address Range per AS (prefix) 22.7479     - 22.7479 / 10.3744 = 2.1927
Max Announcments for an AS 330     999 330 / 999 = 0.3303
Max Announced span for an AS 10.00     - 10.00 / 999 = 0.0100
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 6328     224694 6328 / 224694 = 0.0282
Number of More Specifics 6632     232081 6632 / 232081 = 0.0286
Specifics: % of Announcements 51.1728     50.8086 51.1728 / 50.8086 = 1.0072
Specifics: % of Address Space 0.6096     29.8388 0.6096 / 29.8388 = 0.0204


Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 1273     97290 1273 / 97290 = 0.0131
Specifics where AS prepended Path matches aggregate % 19.19     41.92 19.19 / 41.92 = 0.4578
Specifics where AS Path matches aggregate 1335     102280 1335 / 102280 = 0.0131
Specifics where AS Path matches aggregate % 20.1297     44.0708 20.1297 / 44.0708 = 0.4568
Specifics where AS Origin matches aggregate 2268     165199 2268 / 165199 = 0.0137
Specifics where AS Origin matches aggregate % 34.1978     71.1816 34.1978 / 71.1816 = 0.4804
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 5469     29337 5469 / 29337 = 0.1864
Origin ASs announced via a single AS path 5326     28965 5326 / 28965 = 0.1839
Multi-Origin Prefixes 56     1242 56 / 1242 = 0.0451
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 23071     122640 23071 / 122640 = 0.1881
Selected AS Paths 7828     64082 7828 / 64082 = 0.1222
AS paths associated with a single FIB entry 6224     30965 6224 / 30965 = 0.2010
Unique AS prepended Paths 23286     129612 23286 / 129612 = 0.1797
AS Paths using prepending 1540     31654 1540 / 31654 = 0.0487
AS Paths using private ASs 17     75 17 / 75 = 0.2267
Average AS path length 4.6856     5.8197 4.6856 / 5.8197 = 0.8051
Average address weighted AS path length 4.0291     6.8358 4.0291 / 6.8358 = 0.5894
Maximum AS Path length 13     14 13 / 14 = 0.9286
Maximum prepended AS Path length 18     32 18 / 32 = 0.5625
Average entries per AS Path 0.5617     3.7245 0.5617 / 3.7245 = 0.1508
Average entries per Selected AS Path 1.6556     7.1280 1.6556 / 7.1280 = 0.2323
AS Paths per origin AS 3.3181     2.7854 3.3181 / 2.7854 = 1.1912
Selected AS Paths per origin AS 1.1258     1.4554 1.1258 / 1.4554 = 0.7735