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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 26-04-2015 0845

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 22543     548766 22543 / 548766 = 0.0411
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.6443     0.64838568 15.6443 / 0.64838568 = 24.1281
Announced % of Total Address span 0.001953     63.799381 0.001953 / 63.799381 = 0.0000
Average Address Span per Announcement 30.1047     19.7143 30.1047 / 19.7143 = 1.5270
Average Announcement Length 41.3428     22.4959 41.3428 / 22.4959 = 1.8378
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 9581     50357 9581 / 50357 = 0.1903
Origin-only ASes 7740     43031 7740 / 43031 = 0.1799
Origin and Transit ASes 1689     7103 1689 / 7103 = 0.2378
Transit ASes 152     223 152 / 223 = 0.6816
ASs Announcing a single prefix 6947     20083 6947 / 20083 = 0.3459
Average Announcements per AS 2.3908     10.9460 2.3908 / 10.9460 = 0.2184
Average Address Range per AS (prefix) 28.8472     - 28.8472 / 10.9460 = 2.6354
Max Announcments for an AS 419     963 419 / 963 = 0.4351
Max Announced span for an AS 19.00     - 19.00 / 963 = 0.0197
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 15691     264372 15691 / 264372 = 0.0594
Number of More Specifics 6852     284394 6852 / 284394 = 0.0241
Specifics: % of Announcements 30.3952     51.8243 30.3952 / 51.8243 = 0.5865
Specifics: % of Address Space 1.5743     33.2242 1.5743 / 33.2242 = 0.0474



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 3199     131695 3199 / 131695 = 0.0243
Specifics where AS prepended Path matches aggregate % 46.69     46.31 46.69 / 46.31 = 1.0082
Specifics where AS Path matches aggregate 3390     140608 3390 / 140608 = 0.0241
Specifics where AS Path matches aggregate % 49.4746     49.4413 49.4746 / 49.4413 = 1.0007
Specifics where AS Origin matches aggregate 4836     207867 4836 / 207867 = 0.0233
Specifics where AS Origin matches aggregate % 70.5779     73.0912 70.5779 / 73.0912 = 0.9656
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 7304     33162 7304 / 33162 = 0.2203
Origin ASs announced via a single AS path 7095     32669 7095 / 32669 = 0.2172
Multi-Origin Prefixes 90     2550 90 / 2550 = 0.0353
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 42605     214215 42605 / 214215 = 0.1989
Selected AS Paths 10892     72602 10892 / 72602 = 0.1500
AS paths associated with a single FIB entry 8347     34305 8347 / 34305 = 0.2433
Unique AS prepended Paths 43049     227379 43049 / 227379 = 0.1893
AS Paths using prepending 3364     49949 3364 / 49949 = 0.0673
AS Paths using private ASs 7     285 7 / 285 = 0.0246
Average AS path length 4.0158     4.4506 4.0158 / 4.4506 = 0.9023
Average address weighted AS path length 3.6632     5.2928 3.6632 / 5.2928 = 0.6921
Maximum AS Path length 11     14 11 / 14 = 0.7857
Maximum prepended AS Path length 24     104 24 / 104 = 0.2308
Average entries per AS Path 0.5291     2.5618 0.5291 / 2.5618 = 0.2065
Average entries per Selected AS Path 2.0697     7.5586 2.0697 / 7.5586 = 0.2738
AS Paths per origin AS 4.5185     4.2728 4.5185 / 4.2728 = 1.0575
Selected AS Paths per origin AS 1.1552     1.4482 1.1552 / 1.4482 = 0.7977