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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 24-07-2014 1445

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 18628     509812 18628 / 509812 = 0.0365
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.9264     0.66479982 15.9264 / 0.66479982 = 23.9567
Announced % of Total Address span 0.001606     63.077622 0.001606 / 63.077622 = 0.0000
Average Address Span per Announcement 30.1115     19.6244 30.1115 / 19.6244 = 1.5344
Average Announcement Length 40.7480     22.4427 40.7480 / 22.4427 = 1.8156
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 8588     47710 8588 / 47710 = 0.1800
Origin-only ASes 6930     40898 6930 / 40898 = 0.1694
Origin and Transit ASes 1513     6619 1513 / 6619 = 0.2286
Transit ASes 145     193 145 / 193 = 0.7513
ASs Announcing a single prefix 6262     19357 6262 / 19357 = 0.3235
Average Announcements per AS 2.2063     10.7290 2.2063 / 10.7290 = 0.2056
Average Address Range per AS (prefix) 28.9699     - 28.9699 / 10.7290 = 2.7001
Max Announcments for an AS 396     945 396 / 945 = 0.4190
Max Announced span for an AS 19.00     - 19.00 / 945 = 0.0201
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 12750     248077 12750 / 248077 = 0.0514
Number of More Specifics 5878     261735 5878 / 261735 = 0.0225
Specifics: % of Announcements 31.5546     51.3395 31.5546 / 51.3395 = 0.6146
Specifics: % of Address Space 1.8553     31.9161 1.8553 / 31.9161 = 0.0581


Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2403     113080 2403 / 113080 = 0.0213
Specifics where AS prepended Path matches aggregate % 40.88     43.20 40.88 / 43.20 = 0.9463
Specifics where AS Path matches aggregate 2597     121266 2597 / 121266 = 0.0214
Specifics where AS Path matches aggregate % 44.1817     46.3316 44.1817 / 46.3316 = 0.9536
Specifics where AS Origin matches aggregate 4021     191646 4021 / 191646 = 0.0210
Specifics where AS Origin matches aggregate % 68.4076     73.2214 68.4076 / 73.2214 = 0.9343
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6539     31096 6539 / 31096 = 0.2103
Origin ASs announced via a single AS path 6353     30750 6353 / 30750 = 0.2066
Multi-Origin Prefixes 82     1201 82 / 1201 = 0.0683
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 28561     136788 28561 / 136788 = 0.2088
Selected AS Paths 9684     71467 9684 / 71467 = 0.1355
AS paths associated with a single FIB entry 7467     34428 7467 / 34428 = 0.2169
Unique AS prepended Paths 28876     144542 28876 / 144542 = 0.1998
AS Paths using prepending 2102     34093 2102 / 34093 = 0.0617
AS Paths using private ASs 27     122 27 / 122 = 0.2213
Average AS path length 4.6904     5.7983 4.6904 / 5.7983 = 0.8089
Average address weighted AS path length 4.4047     6.9383 4.4047 / 6.9383 = 0.6348
Maximum AS Path length 13     14 13 / 14 = 0.9286
Maximum prepended AS Path length 35     55 35 / 55 = 0.6364
Average entries per AS Path 0.6522     3.7270 0.6522 / 3.7270 = 0.1750
Average entries per Selected AS Path 1.9236     7.1335 1.9236 / 7.1335 = 0.2697
AS Paths per origin AS 3.3828     2.8787 3.3828 / 2.8787 = 1.1751
Selected AS Paths per origin AS 1.1470     1.5040 1.1470 / 1.5040 = 0.7626