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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 25-08-2019 1746

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 74199     792854 74199 / 792854 = 0.0936
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 14.9926     0.59884207 14.9926 / 0.59884207 = 25.0360
Announced % of Total Address span 0.003067     66.028370 0.003067 / 66.028370 = 0.0000
Average Address Span per Announcement 31.1717     20.1959 31.1717 / 20.1959 = 1.5435
Average Announcement Length 42.2070     22.7284 42.2070 / 22.7284 = 1.8570
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 17775     65485 17775 / 65485 = 0.2714
Origin-only ASes 14337     56026 14337 / 56026 = 0.2559
Origin and Transit ASes 3216     9175 3216 / 9175 = 0.3505
Transit ASes 222     284 222 / 284 = 0.7817
ASs Announcing a single prefix 11489     23802 11489 / 23802 = 0.4827
Average Announcements per AS 4.2271     12.1602 4.2271 / 12.1602 = 0.3476
Average Address Range per AS (prefix) 29.0921     - 29.0921 / 12.1602 = 2.3924
Max Announcments for an AS 1273     466 1273 / 466 = 2.7318
Max Announced span for an AS 18.95     - 18.95 / 466 = 0.0407
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 39536     369915 39536 / 369915 = 0.1069
Number of More Specifics 34663     422939 34663 / 422939 = 0.0820
Specifics: % of Announcements 46.7163     53.3439 46.7163 / 53.3439 = 0.8758
Specifics: % of Address Space 7.4712     37.4849 7.4712 / 37.4849 = 0.1993


Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 16734     176985 16734 / 176985 = 0.0946
Specifics where AS prepended Path matches aggregate % 48.28     41.85 48.28 / 41.85 = 1.1536
Specifics where AS Path matches aggregate 17365     184766 17365 / 184766 = 0.0940
Specifics where AS Path matches aggregate % 50.0966     43.6862 50.0966 / 43.6862 = 1.1467
Specifics where AS Origin matches aggregate 28086     312708 28086 / 312708 = 0.0898
Specifics where AS Origin matches aggregate % 81.0259     73.9369 81.0259 / 73.9369 = 1.0959
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 12596     40052 12596 / 40052 = 0.3145
Origin ASs announced via a single AS path 12342     39668 12342 / 39668 = 0.3111
Multi-Origin Prefixes 248     2082 248 / 2082 = 0.1191
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 64576     196021 64576 / 196021 = 0.3294
Selected AS Paths 11081     104956 11081 / 104956 = 0.1056
AS paths associated with a single FIB entry 16049     48908 16049 / 48908 = 0.3281
Unique AS prepended Paths 65732     209091 65732 / 209091 = 0.3144
AS Paths using prepending 7339     50980 7339 / 50980 = 0.1440
AS Paths using private ASs 47     44 47 / 44 = 1.0682
Average AS path length 4.7897     5.5531 4.7897 / 5.5531 = 0.8625
Average address weighted AS path length 4.7481     6.9993 4.7481 / 6.9993 = 0.6784
Maximum AS Path length 11     13 11 / 13 = 0.8462
Maximum prepended AS Path length 33     44 33 / 44 = 0.7500
Average entries per AS Path 1.1490     4.0447 1.1490 / 4.0447 = 0.2841
Average entries per Selected AS Path 3.2421     7.5542 3.2421 / 7.5542 = 0.4292
AS Paths per origin AS 3.6789     3.0064 3.6789 / 3.0064 = 1.2237
Selected AS Paths per origin AS 1.3038     1.6097 1.3038 / 1.6097 = 0.8100