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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 22-01-2021 0646

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 109068     859609 109068 / 859609 = 0.1269
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 14.9871     0.56691018 14.9871 / 0.56691018 = 26.4365
Announced % of Total Address span 0.003079     67.506102 0.003079 / 67.506102 = 0.0000
Average Address Span per Announcement 31.7220     20.2806 31.7220 / 20.2806 = 1.5642
Average Announcement Length 42.5396     22.7789 42.5396 / 22.7789 = 1.8675
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 21597     70563 21597 / 70563 = 0.3061
Origin-only ASes 17468     60373 17468 / 60373 = 0.2893
Origin and Transit ASes 3869     9863 3869 / 9863 = 0.3923
Transit ASes 260     327 260 / 327 = 0.7951
ASs Announcing a single prefix 13510     24865 13510 / 24865 = 0.5433
Average Announcements per AS 5.1117     12.2389 5.1117 / 12.2389 = 0.4177
Average Address Range per AS (prefix) 29.3682     - 29.3682 / 12.2389 = 2.3996
Max Announcments for an AS 2781     803 2781 / 803 = 3.4633
Max Announced span for an AS 18.95     - 18.95 / 803 = 0.0236
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 50087     400866 50087 / 400866 = 0.1249
Number of More Specifics 58981     458743 58981 / 458743 = 0.1286
Specifics: % of Announcements 54.0773     53.3665 54.0773 / 53.3665 = 1.0133
Specifics: % of Address Space 4.8175     38.0842 4.8175 / 38.0842 = 0.1265



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 28185     206521 28185 / 206521 = 0.1365
Specifics where AS prepended Path matches aggregate % 47.79     45.02 47.79 / 45.02 = 1.0615
Specifics where AS Path matches aggregate 29245     216869 29245 / 216869 = 0.1349
Specifics where AS Path matches aggregate % 49.5838     47.2746 49.5838 / 47.2746 = 1.0488
Specifics where AS Origin matches aggregate 43003     346256 43003 / 346256 = 0.1242
Specifics where AS Origin matches aggregate % 72.9099     75.4793 72.9099 / 75.4793 = 0.9660
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 15242     43133 15242 / 43133 = 0.3534
Origin ASs announced via a single AS path 14937     42722 14937 / 42722 = 0.3496
Multi-Origin Prefixes 510     1827 510 / 1827 = 0.2791
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 84350     225031 84350 / 225031 = 0.3748
Selected AS Paths 11081     112606 11081 / 112606 = 0.0984
AS paths associated with a single FIB entry 18967     52051 18967 / 52051 = 0.3644
Unique AS prepended Paths 86036     240636 86036 / 240636 = 0.3575
AS Paths using prepending 10465     59431 10465 / 59431 = 0.1761
AS Paths using private ASs 46     44 46 / 44 = 1.0455
Average AS path length 4.7444     5.3292 4.7444 / 5.3292 = 0.8903
Average address weighted AS path length 4.6262     6.7846 4.6262 / 6.7846 = 0.6819
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 26     42 26 / 42 = 0.6190
Average entries per AS Path 1.2930     3.8200 1.2930 / 3.8200 = 0.3385
Average entries per Selected AS Path 3.9229     7.6338 3.9229 / 7.6338 = 0.5139
AS Paths per origin AS 3.9532     3.2039 3.9532 / 3.2039 = 1.2339
Selected AS Paths per origin AS 1.3030     1.6033 1.3030 / 1.6033 = 0.8127