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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 28-09-2021 0147

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 139761     895610 139761 / 895610 = 0.1561
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 14.9068     0.48541199 14.9068 / 0.48541199 = 30.7096
Announced % of Total Address span 0.003255     71.429306 0.003255 / 71.429306 = 0.0000
Average Address Span per Announcement 31.9994     20.2581 31.9994 / 20.2581 = 1.5796
Average Announcement Length 42.4670     22.8007 42.4670 / 22.8007 = 1.8625
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 27540     72246 27540 / 72246 = 0.3812
Origin-only ASes 23031     61787 23031 / 61787 = 0.3727
Origin and Transit ASes 4197     10095 4197 / 10095 = 0.4158
Transit ASes 312     364 312 / 364 = 0.8571
ASs Announcing a single prefix 18324     25308 18324 / 25308 = 0.7240
Average Announcements per AS 5.1330     12.4594 5.1330 / 12.4594 = 0.4120
Average Address Range per AS (prefix) 29.6396     - 29.6396 / 12.4594 = 2.3789
Max Announcments for an AS 3265     1148 3265 / 1148 = 2.8441
Max Announced span for an AS 18.95     - 18.95 / 1148 = 0.0165
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 55725     415910 55725 / 415910 = 0.1340
Number of More Specifics 84036     479700 84036 / 479700 = 0.1752
Specifics: % of Announcements 60.1284     53.5613 60.1284 / 53.5613 = 1.1226
Specifics: % of Address Space 7.7861     36.4485 7.7861 / 36.4485 = 0.2136



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 39330     205755 39330 / 205755 = 0.1911
Specifics where AS prepended Path matches aggregate % 46.80     42.89 46.80 / 42.89 = 1.0912
Specifics where AS Path matches aggregate 40831     217199 40831 / 217199 = 0.1880
Specifics where AS Path matches aggregate % 48.5875     45.2781 48.5875 / 45.2781 = 1.0731
Specifics where AS Origin matches aggregate 56819     365643 56819 / 365643 = 0.1554
Specifics where AS Origin matches aggregate % 67.6127     76.2233 67.6127 / 76.2233 = 0.8870
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 20683     43387 20683 / 43387 = 0.4767
Origin ASs announced via a single AS path 20317     42959 20317 / 42959 = 0.4729
Multi-Origin Prefixes 692     2138 692 / 2138 = 0.3237
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 105134     232422 105134 / 232422 = 0.4523
Selected AS Paths 11081     118476 11081 / 118476 = 0.0935
AS paths associated with a single FIB entry 24147     55635 24147 / 55635 = 0.4340
Unique AS prepended Paths 107108     248753 107108 / 248753 = 0.4306
AS Paths using prepending 11693     61914 11693 / 61914 = 0.1889
AS Paths using private ASs 24     68 24 / 68 = 0.3529
Average AS path length 4.8646     5.3084 4.8646 / 5.3084 = 0.9164
Average address weighted AS path length 4.8673     6.6367 4.8673 / 6.6367 = 0.7334
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 36     40 36 / 40 = 0.9000
Average entries per AS Path 1.3294     3.8534 1.3294 / 3.8534 = 0.3450
Average entries per Selected AS Path 4.0712     7.5594 4.0712 / 7.5594 = 0.5386
AS Paths per origin AS 3.8612     3.2334 3.8612 / 3.2334 = 1.1942
Selected AS Paths per origin AS 1.2608     1.6482 1.2608 / 1.6482 = 0.7650