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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 25-03-2017 0745

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 37964     659482 37964 / 659482 = 0.0576
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.4779     0.59680775 15.4779 / 0.59680775 = 25.9345
Announced % of Total Address span 0.002191     66.121541 0.002191 / 66.121541 = 0.0000
Average Address Span per Announcement 30.6902     19.9279 30.6902 / 19.9279 = 1.5401
Average Announcement Length 41.3825     22.6153 41.3825 / 22.6153 = 1.8298
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 13104     56910 13104 / 56910 = 0.2303
Origin-only ASes 10732     48956 10732 / 48956 = 0.2192
Origin and Transit ASes 2193     7727 2193 / 7727 = 0.2838
Transit ASes 179     227 179 / 227 = 0.7885
ASs Announcing a single prefix 9144     21577 9144 / 21577 = 0.4238
Average Announcements per AS 2.9373     11.6346 2.9373 / 11.6346 = 0.2525
Average Address Range per AS (prefix) 29.1357     - 29.1357 / 11.6346 = 2.5042
Max Announcments for an AS 1330     3799 1330 / 3799 = 0.3501
Max Announced span for an AS 18.95     - 18.95 / 3799 = 0.0050
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 23899     309315 23899 / 309315 = 0.0773
Number of More Specifics 14065     350167 14065 / 350167 = 0.0402
Specifics: % of Announcements 37.0483     53.0973 37.0483 / 53.0973 = 0.6977
Specifics: % of Address Space 2.4397     35.9032 2.4397 / 35.9032 = 0.0680



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 7433     153384 7433 / 153384 = 0.0485
Specifics where AS prepended Path matches aggregate % 52.85     43.80 52.85 / 43.80 = 1.2066
Specifics where AS Path matches aggregate 7773     161878 7773 / 161878 = 0.0480
Specifics where AS Path matches aggregate % 55.2648     46.2288 55.2648 / 46.2288 = 1.1955
Specifics where AS Origin matches aggregate 11491     264047 11491 / 264047 = 0.0435
Specifics where AS Origin matches aggregate % 81.6993     75.4060 81.6993 / 75.4060 = 1.0835
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 9848     36128 9848 / 36128 = 0.2726
Origin ASs announced via a single AS path 9663     35795 9663 / 35795 = 0.2700
Multi-Origin Prefixes 95     2216 95 / 2216 = 0.0429
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 29802     166534 29802 / 166534 = 0.1790
Selected AS Paths 11081     86550 11081 / 86550 = 0.1280
AS paths associated with a single FIB entry 11359     40266 11359 / 40266 = 0.2821
Unique AS prepended Paths 30185     177236 30185 / 177236 = 0.1703
AS Paths using prepending 2381     39442 2381 / 39442 = 0.0604
AS Paths using private ASs 7     176 7 / 176 = 0.0398
Average AS path length 5.4809     5.7125 5.4809 / 5.7125 = 0.9595
Average address weighted AS path length 5.2098     7.0287 5.2098 / 7.0287 = 0.7412
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 22     43 22 / 43 = 0.5116
Average entries per AS Path 1.2739     3.9600 1.2739 / 3.9600 = 0.3217
Average entries per Selected AS Path 2.4686     7.6197 2.4686 / 7.6197 = 0.3240
AS Paths per origin AS 2.3058     2.9380 2.3058 / 2.9380 = 0.7848
Selected AS Paths per origin AS 1.1899     1.5269 1.1899 / 1.5269 = 0.7793