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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 04-12-2021 1147

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 149813     902846 149813 / 902846 = 0.1659
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 14.8854     0.48228148 14.8854 / 0.48228148 = 30.8645
Announced % of Total Address span 0.003304     71.584469 0.003304 / 71.584469 = 0.0000
Average Address Span per Announcement 32.0782     20.2666 32.0782 / 20.2666 = 1.5828
Average Announcement Length 42.6367     22.8071 42.6367 / 22.8071 = 1.8694
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 27987     72579 27987 / 72579 = 0.3856
Origin-only ASes 23414     61990 23414 / 61990 = 0.3777
Origin and Transit ASes 4255     10196 4255 / 10196 = 0.4173
Transit ASes 318     393 318 / 393 = 0.8092
ASs Announcing a single prefix 18560     25406 18560 / 25406 = 0.7305
Average Announcements per AS 5.4145     12.5072 5.4145 / 12.5072 = 0.4329
Average Address Range per AS (prefix) 29.6414     - 29.6414 / 12.5072 = 2.3699
Max Announcments for an AS 4175     3456 4175 / 3456 = 1.2080
Max Announced span for an AS 18.95     - 18.95 / 3456 = 0.0055
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 61453     421629 61453 / 421629 = 0.1458
Number of More Specifics 88358     481216 88358 / 481216 = 0.1836
Specifics: % of Announcements 58.9789     53.2999 58.9789 / 53.2999 = 1.1065
Specifics: % of Address Space 7.7643     36.0728 7.7643 / 36.0728 = 0.2152



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 41336     220860 41336 / 220860 = 0.1872
Specifics where AS prepended Path matches aggregate % 46.78     45.90 46.78 / 45.90 = 1.0192
Specifics where AS Path matches aggregate 42675     232644 42675 / 232644 = 0.1834
Specifics where AS Path matches aggregate % 48.2978     48.3450 48.2978 / 48.3450 = 0.9990
Specifics where AS Origin matches aggregate 60762     368471 60762 / 368471 = 0.1649
Specifics where AS Origin matches aggregate % 68.7680     76.5708 68.7680 / 76.5708 = 0.8981
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 20971     44923 20971 / 44923 = 0.4668
Origin ASs announced via a single AS path 20590     44449 20590 / 44449 = 0.4632
Multi-Origin Prefixes 483     1996 483 / 1996 = 0.2420
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 102211     230627 102211 / 230627 = 0.4432
Selected AS Paths 11081     113579 11081 / 113579 = 0.0976
AS paths associated with a single FIB entry 24636     52176 24636 / 52176 = 0.4722
Unique AS prepended Paths 104118     246965 104118 / 246965 = 0.4216
AS Paths using prepending 11525     61512 11525 / 61512 = 0.1874
AS Paths using private ASs 21     61 21 / 61 = 0.3443
Average AS path length 4.8068     5.2893 4.8068 / 5.2893 = 0.9088
Average address weighted AS path length 4.8156     6.5961 4.8156 / 6.5961 = 0.7301
Maximum AS Path length 12     17 12 / 17 = 0.7059
Maximum prepended AS Path length 27     55 27 / 55 = 0.4909
Average entries per AS Path 1.4657     3.9147 1.4657 / 3.9147 = 0.3744
Average entries per Selected AS Path 4.2689     7.9491 4.2689 / 7.9491 = 0.5370
AS Paths per origin AS 3.6941     3.1949 3.6941 / 3.1949 = 1.1562
Selected AS Paths per origin AS 1.2684     1.5734 1.2684 / 1.5734 = 0.8062