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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 08-08-2020 0846

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 91920     824280 91920 / 824280 = 0.1115
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.0338     0.59401375 15.0338 / 0.59401375 = 25.3088
Announced % of Total Address span 0.002981     66.249720 0.002981 / 66.249720 = 0.0000
Average Address Span per Announcement 31.5219     20.2472 31.5219 / 20.2472 = 1.5569
Average Announcement Length 42.3968     22.7551 42.3968 / 22.7551 = 1.8632
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 20219     69048 20219 / 69048 = 0.2928
Origin-only ASes 16312     59092 16312 / 59092 = 0.2760
Origin and Transit ASes 3635     9634 3635 / 9634 = 0.3773
Transit ASes 272     322 272 / 322 = 0.8447
ASs Announcing a single prefix 12812     24879 12812 / 24879 = 0.5150
Average Announcements per AS 4.6082     11.9937 4.6082 / 11.9937 = 0.3842
Average Address Range per AS (prefix) 29.3177     - 29.3177 / 11.9937 = 2.4444
Max Announcments for an AS 1672     1118 1672 / 1118 = 1.4955
Max Announced span for an AS 18.95     - 18.95 / 1118 = 0.0169
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 45647     393876 45647 / 393876 = 0.1159
Number of More Specifics 46273     430404 46273 / 430404 = 0.1075
Specifics: % of Announcements 50.3405     52.2158 50.3405 / 52.2158 = 0.9641
Specifics: % of Address Space 8.1000     37.9519 8.1000 / 37.9519 = 0.2134



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 21573     196121 21573 / 196121 = 0.1100
Specifics where AS prepended Path matches aggregate % 46.62     45.57 46.62 / 45.57 = 1.0230
Specifics where AS Path matches aggregate 22213     208174 22213 / 208174 = 0.1067
Specifics where AS Path matches aggregate % 48.0042     48.3671 48.0042 / 48.3671 = 0.9925
Specifics where AS Origin matches aggregate 34620     322403 34620 / 322403 = 0.1074
Specifics where AS Origin matches aggregate % 74.8168     74.9071 74.8168 / 74.9071 = 0.9988
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 14253     42839 14253 / 42839 = 0.3327
Origin ASs announced via a single AS path 13958     42471 13958 / 42471 = 0.3286
Multi-Origin Prefixes 415     1903 415 / 1903 = 0.2181
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 78885     244767 78885 / 244767 = 0.3223
Selected AS Paths 11081     108338 11081 / 108338 = 0.1023
AS paths associated with a single FIB entry 18068     50468 18068 / 50468 = 0.3580
Unique AS prepended Paths 80390     261672 80390 / 261672 = 0.3072
AS Paths using prepending 9450     64778 9450 / 64778 = 0.1459
AS Paths using private ASs 63     64 63 / 64 = 0.9844
Average AS path length 4.7546     5.4513 4.7546 / 5.4513 = 0.8722
Average address weighted AS path length 4.9050     6.9077 4.9050 / 6.9077 = 0.7101
Maximum AS Path length 13     13 13 / 13 = 1.0000
Maximum prepended AS Path length 45     45 45 / 45 = 1.0000
Average entries per AS Path 1.1652     3.3676 1.1652 / 3.3676 = 0.3460
Average entries per Selected AS Path 3.5297     7.6084 3.5297 / 7.6084 = 0.4639
AS Paths per origin AS 3.9547     3.5615 3.9547 / 3.5615 = 1.1104
Selected AS Paths per origin AS 1.3056     1.5764 1.3056 / 1.5764 = 0.8282