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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 27-05-2016 1346

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 29596     609829 29596 / 609829 = 0.0485
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.5461     0.61094060 15.5461 / 0.61094060 = 25.4462
Announced % of Total Address span 0.002090     65.476967 0.002090 / 65.476967 = 0.0000
Average Address Span per Announcement 30.3992     19.8291 30.3992 / 19.8291 = 1.5331
Average Announcement Length 41.0250     22.5558 41.0250 / 22.5558 = 1.8188
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 11653     54118 11653 / 54118 = 0.2153
Origin-only ASes 9541     46573 9541 / 46573 = 0.2049
Origin and Transit ASes 1957     7333 1957 / 7333 = 0.2669
Transit ASes 155     212 155 / 212 = 0.7311
ASs Announcing a single prefix 8254     21081 8254 / 21081 = 0.3915
Average Announcements per AS 2.5740     11.3128 2.5740 / 11.3128 = 0.2275
Average Address Range per AS (prefix) 29.0352     - 29.0352 / 11.3128 = 2.5666
Max Announcments for an AS 491     3417 491 / 3417 = 0.1437
Max Announced span for an AS 18.95     - 18.95 / 3417 = 0.0055
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 20108     291552 20108 / 291552 = 0.0690
Number of More Specifics 9488     318277 9488 / 318277 = 0.0298
Specifics: % of Announcements 32.0584     52.1912 32.0584 / 52.1912 = 0.6142
Specifics: % of Address Space 2.3177     34.5812 2.3177 / 34.5812 = 0.0670



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 4360     140476 4360 / 140476 = 0.0310
Specifics where AS prepended Path matches aggregate % 45.95     44.14 45.95 / 44.14 = 1.0410
Specifics where AS Path matches aggregate 4714     148357 4714 / 148357 = 0.0318
Specifics where AS Path matches aggregate % 49.6838     46.6125 49.6838 / 46.6125 = 1.0659
Specifics where AS Origin matches aggregate 7050     236318 7050 / 236318 = 0.0298
Specifics where AS Origin matches aggregate % 74.3044     74.2492 74.3044 / 74.2492 = 1.0007
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 8825     34948 8825 / 34948 = 0.2525
Origin ASs announced via a single AS path 8658     34630 8658 / 34630 = 0.2500
Multi-Origin Prefixes 79     1493 79 / 1493 = 0.0529
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 26614     157842 26614 / 157842 = 0.1686
Selected AS Paths 11081     80965 11081 / 80965 = 0.1369
AS paths associated with a single FIB entry 10159     37910 10159 / 37910 = 0.2680
Unique AS prepended Paths 26936     167101 26936 / 167101 = 0.1612
AS Paths using prepending 1994     35145 1994 / 35145 = 0.0567
AS Paths using private ASs 2     144 2 / 144 = 0.0139
Average AS path length 5.5056     5.7051 5.5056 / 5.7051 = 0.9650
Average address weighted AS path length 5.1674     6.9147 5.1674 / 6.9147 = 0.7473
Maximum AS Path length 12     13 12 / 13 = 0.9231
Maximum prepended AS Path length 19     56 19 / 56 = 0.3393
Average entries per AS Path 1.1120     3.8635 1.1120 / 3.8635 = 0.2878
Average entries per Selected AS Path 2.1840     7.5320 2.1840 / 7.5320 = 0.2900
AS Paths per origin AS 2.3147     2.9281 2.3147 / 2.9281 = 0.7905
Selected AS Paths per origin AS 1.1786     1.5020 1.1786 / 1.5020 = 0.7847