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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 21-06-2021 0147

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 131529     886255 131529 / 886255 = 0.1484
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 14.9135     0.49756441 14.9135 / 0.49756441 = 29.9730
Announced % of Total Address span 0.003240     70.830154 0.003240 / 70.830154 = 0.0000
Average Address Span per Announcement 31.9186     20.2552 31.9186 / 20.2552 = 1.5758
Average Announcement Length 42.2995     22.7938 42.2995 / 22.7938 = 1.8557
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 26883     71702 26883 / 71702 = 0.3749
Origin-only ASes 22505     61325 22505 / 61325 = 0.3670
Origin and Transit ASes 4095     10039 4095 / 10039 = 0.4079
Transit ASes 283     338 283 / 338 = 0.8373
ASs Announcing a single prefix 18169     25189 18169 / 25189 = 0.7213
Average Announcements per AS 4.9447     12.4188 4.9447 / 12.4188 = 0.3982
Average Address Range per AS (prefix) 29.6127     - 29.6127 / 12.4188 = 2.3845
Max Announcments for an AS 3076     847 3076 / 847 = 3.6316
Max Announced span for an AS 18.95     - 18.95 / 847 = 0.0224
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 53080     410331 53080 / 410331 = 0.1294
Number of More Specifics 78449     475924 78449 / 475924 = 0.1648
Specifics: % of Announcements 59.6439     53.7006 59.6439 / 53.7006 = 1.1107
Specifics: % of Address Space 7.6024     36.7727 7.6024 / 36.7727 = 0.2067



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 35225     219497 35225 / 219497 = 0.1605
Specifics where AS prepended Path matches aggregate % 44.90     46.12 44.90 / 46.12 = 0.9735
Specifics where AS Path matches aggregate 36587     231161 36587 / 231161 = 0.1583
Specifics where AS Path matches aggregate % 46.6379     48.5710 46.6379 / 48.5710 = 0.9602
Specifics where AS Origin matches aggregate 53773     362849 53773 / 362849 = 0.1482
Specifics where AS Origin matches aggregate % 68.5452     76.2410 68.5452 / 76.2410 = 0.8991
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 20202     43830 20202 / 43830 = 0.4609
Origin ASs announced via a single AS path 19849     43418 19849 / 43418 = 0.4572
Multi-Origin Prefixes 384     2215 384 / 2215 = 0.1734
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 101669     229376 101669 / 229376 = 0.4432
Selected AS Paths 11081     114683 11081 / 114683 = 0.0966
AS paths associated with a single FIB entry 23945     53252 23945 / 53252 = 0.4497
Unique AS prepended Paths 103458     245195 103458 / 245195 = 0.4219
AS Paths using prepending 11143     59992 11143 / 59992 = 0.1857
AS Paths using private ASs 27     56 27 / 56 = 0.4821
Average AS path length 4.8209     5.3249 4.8209 / 5.3249 = 0.9054
Average address weighted AS path length 4.7948     6.6738 4.7948 / 6.6738 = 0.7185
Maximum AS Path length 12     13 12 / 13 = 0.9231
Maximum prepended AS Path length 36     56 36 / 56 = 0.6429
Average entries per AS Path 1.2937     3.8638 1.2937 / 3.8638 = 0.3348
Average entries per Selected AS Path 3.9190     7.7279 3.9190 / 7.7279 = 0.5071
AS Paths per origin AS 3.8221     3.2142 3.8221 / 3.2142 = 1.1891
Selected AS Paths per origin AS 1.2617     1.6070 1.2617 / 1.6070 = 0.7851