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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 09-12-2016 0145

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 34452     644620 34452 / 644620 = 0.0534
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.4998     0.60017574 15.4998 / 0.60017574 = 25.8254
Announced % of Total Address span 0.002158     65.967359 0.002158 / 65.967359 = 0.0000
Average Address Span per Announcement 30.5721     19.8984 30.5721 / 19.8984 = 1.5364
Average Announcement Length 41.2204     22.5910 41.2204 / 22.5910 = 1.8246
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 12580     55936 12580 / 55936 = 0.2249
Origin-only ASes 10291     48129 10291 / 48129 = 0.2138
Origin and Transit ASes 2104     7587 2104 / 7587 = 0.2773
Transit ASes 185     220 185 / 220 = 0.8409
ASs Announcing a single prefix 8782     21451 8782 / 21451 = 0.4094
Average Announcements per AS 2.7795     11.5697 2.7795 / 11.5697 = 0.2402
Average Address Range per AS (prefix) 29.0973     - 29.0973 / 11.5697 = 2.5150
Max Announcments for an AS 592     3672 592 / 3672 = 0.1612
Max Announced span for an AS 18.95     - 18.95 / 3672 = 0.0052
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 22741     303399 22741 / 303399 = 0.0750
Number of More Specifics 11711     341221 11711 / 341221 = 0.0343
Specifics: % of Announcements 33.9922     52.9337 33.9922 / 52.9337 = 0.6422
Specifics: % of Address Space 2.3674     35.5223 2.3674 / 35.5223 = 0.0666



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 5311     149629 5311 / 149629 = 0.0355
Specifics where AS prepended Path matches aggregate % 45.35     43.85 45.35 / 43.85 = 1.0342
Specifics where AS Path matches aggregate 5551     158256 5551 / 158256 = 0.0351
Specifics where AS Path matches aggregate % 47.3999     46.3793 47.3999 / 46.3793 = 1.0220
Specifics where AS Origin matches aggregate 9052     256196 9052 / 256196 = 0.0353
Specifics where AS Origin matches aggregate % 77.2949     75.0821 77.2949 / 75.0821 = 1.0295
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 9420     35701 9420 / 35701 = 0.2639
Origin ASs announced via a single AS path 9245     35378 9245 / 35378 = 0.2613
Multi-Origin Prefixes 90     1890 90 / 1890 = 0.0476
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 28590     163101 28590 / 163101 = 0.1753
Selected AS Paths 11081     85009 11081 / 85009 = 0.1304
AS paths associated with a single FIB entry 11016     39770 11016 / 39770 = 0.2770
Unique AS prepended Paths 28947     173282 28947 / 173282 = 0.1671
AS Paths using prepending 2218     37888 2218 / 37888 = 0.0585
AS Paths using private ASs 8     177 8 / 177 = 0.0452
Average AS path length 5.5368     5.7021 5.5368 / 5.7021 = 0.9710
Average address weighted AS path length 5.1892     6.9630 5.1892 / 6.9630 = 0.7453
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 23     42 23 / 42 = 0.5476
Average entries per AS Path 1.2050     3.9523 1.2050 / 3.9523 = 0.3049
Average entries per Selected AS Path 2.3274     7.5830 2.3274 / 7.5830 = 0.3069
AS Paths per origin AS 2.3066     2.9274 2.3066 / 2.9274 = 0.7879
Selected AS Paths per origin AS 1.1943     1.5258 1.1943 / 1.5258 = 0.7827