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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 19-09-2014 0546

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 19391     517093 19391 / 517093 = 0.0375
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.8359     0.66537271 15.8359 / 0.66537271 = 23.8000
Announced % of Total Address span 0.001710     63.052579 0.001710 / 63.052579 = 0.0000
Average Address Span per Announcement 30.0790     19.6455 30.0790 / 19.6455 = 1.5311
Average Announcement Length 40.8086     22.4593 40.8086 / 22.4593 = 1.8170
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 8782     48304 8782 / 48304 = 0.1818
Origin-only ASes 7075     41230 7075 / 41230 = 0.1716
Origin and Transit ASes 1569     6859 1569 / 6859 = 0.2288
Transit ASes 138     215 138 / 215 = 0.6419
ASs Announcing a single prefix 6386     19519 6386 / 19519 = 0.3272
Average Announcements per AS 2.2433     10.7528 2.2433 / 10.7528 = 0.2086
Average Address Range per AS (prefix) 28.9133     - 28.9133 / 10.7528 = 2.6889
Max Announcments for an AS 419     955 419 / 955 = 0.4387
Max Announced span for an AS 19.00     - 19.00 / 955 = 0.0199
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 13422     251337 13422 / 251337 = 0.0534
Number of More Specifics 5969     265756 5969 / 265756 = 0.0225
Specifics: % of Announcements 30.7823     51.3942 30.7823 / 51.3942 = 0.5989
Specifics: % of Address Space 1.8394     32.2872 1.8394 / 32.2872 = 0.0570



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2421     120840 2421 / 120840 = 0.0200
Specifics where AS prepended Path matches aggregate % 40.56     45.47 40.56 / 45.47 = 0.8920
Specifics where AS Path matches aggregate 2673     128141 2673 / 128141 = 0.0209
Specifics where AS Path matches aggregate % 44.7814     48.2175 44.7814 / 48.2175 = 0.9287
Specifics where AS Origin matches aggregate 4063     193958 4063 / 193958 = 0.0209
Specifics where AS Origin matches aggregate % 68.0684     72.9835 68.0684 / 72.9835 = 0.9327
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6719     31863 6719 / 31863 = 0.2109
Origin ASs announced via a single AS path 6516     31374 6516 / 31374 = 0.2077
Multi-Origin Prefixes 102     2179 102 / 2179 = 0.0468
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 38715     203778 38715 / 203778 = 0.1900
Selected AS Paths 9806     69876 9806 / 69876 = 0.1403
AS paths associated with a single FIB entry 7517     33305 7517 / 33305 = 0.2257
Unique AS prepended Paths 39144     216093 39144 / 216093 = 0.1811
AS Paths using prepending 2998     48500 2998 / 48500 = 0.0618
AS Paths using private ASs 24     275 24 / 275 = 0.0873
Average AS path length 4.0037     4.4796 4.0037 / 4.4796 = 0.8938
Average address weighted AS path length 3.7411     5.3873 3.7411 / 5.3873 = 0.6944
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 19     65 19 / 65 = 0.2923
Average entries per AS Path 0.5009     2.5375 0.5009 / 2.5375 = 0.1974
Average entries per Selected AS Path 1.9775     7.4002 1.9775 / 7.4002 = 0.2672
AS Paths per origin AS 4.4788     4.2375 4.4788 / 4.2375 = 1.0569
Selected AS Paths per origin AS 1.1344     1.4531 1.1344 / 1.4531 = 0.7807