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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 27-01-2015 0445

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 21181     534109 21181 / 534109 = 0.0397
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.6632     0.65590401 15.6632 / 0.65590401 = 23.8803
Announced % of Total Address span 0.001927     63.467767 0.001927 / 63.467767 = 0.0000
Average Address Span per Announcement 30.0337     19.6829 30.0337 / 19.6829 = 1.5259
Average Announcement Length 40.9462     22.4779 40.9462 / 22.4779 = 1.8216
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 9234     49453 9234 / 49453 = 0.1867
Origin-only ASes 7456     42268 7456 / 42268 = 0.1764
Origin and Transit ASes 1631     6975 1631 / 6975 = 0.2338
Transit ASes 147     210 147 / 210 = 0.7000
ASs Announcing a single prefix 6687     19835 6687 / 19835 = 0.3371
Average Announcements per AS 2.3309     10.8464 2.3309 / 10.8464 = 0.2149
Average Address Range per AS (prefix) 28.8128     - 28.8128 / 10.8464 = 2.6564
Max Announcments for an AS 477     944 477 / 944 = 0.5053
Max Announced span for an AS 19.00     - 19.00 / 944 = 0.0201
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 14733     257983 14733 / 257983 = 0.0571
Number of More Specifics 6448     276126 6448 / 276126 = 0.0234
Specifics: % of Announcements 30.4424     51.6984 30.4424 / 51.6984 = 0.5888
Specifics: % of Address Space 1.6363     32.9554 1.6363 / 32.9554 = 0.0497



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2879     125892 2879 / 125892 = 0.0229
Specifics where AS prepended Path matches aggregate % 44.65     45.59 44.65 / 45.59 = 0.9794
Specifics where AS Path matches aggregate 3128     134627 3128 / 134627 = 0.0232
Specifics where AS Path matches aggregate % 48.5112     48.7556 48.5112 / 48.7556 = 0.9950
Specifics where AS Origin matches aggregate 4627     202377 4627 / 202377 = 0.0229
Specifics where AS Origin matches aggregate % 71.7587     73.2915 71.7587 / 73.2915 = 0.9791
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 7051     32626 7051 / 32626 = 0.2161
Origin ASs announced via a single AS path 6849     32134 6849 / 32134 = 0.2131
Multi-Origin Prefixes 91     2279 91 / 2279 = 0.0399
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 40856     209768 40856 / 209768 = 0.1948
Selected AS Paths 10392     71198 10392 / 71198 = 0.1460
AS paths associated with a single FIB entry 7938     33733 7938 / 33733 = 0.2353
Unique AS prepended Paths 41283     222694 41283 / 222694 = 0.1854
AS Paths using prepending 3188     51451 3188 / 51451 = 0.0620
AS Paths using private ASs 15     258 15 / 258 = 0.0581
Average AS path length 4.0099     4.4647 4.0099 / 4.4647 = 0.8981
Average address weighted AS path length 3.6636     5.3370 3.6636 / 5.3370 = 0.6865
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 25     109 25 / 109 = 0.2294
Average entries per AS Path 0.5184     2.5462 0.5184 / 2.5462 = 0.2036
Average entries per Selected AS Path 2.0382     7.5017 2.0382 / 7.5017 = 0.2717
AS Paths per origin AS 4.4961     4.2599 4.4961 / 4.2599 = 1.0554
Selected AS Paths per origin AS 1.1436     1.4459 1.1436 / 1.4459 = 0.7909