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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 31-10-2014 1045

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 19980     525862 19980 / 525862 = 0.0380
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.8300     0.66266517 15.8300 / 0.66266517 = 23.8884
Announced % of Total Address span 0.001717     63.171022 0.001717 / 63.171022 = 0.0000
Average Address Span per Announcement 30.1163     19.6671 30.1163 / 19.6671 = 1.5313
Average Announcement Length 40.9105     22.4739 40.9105 / 22.4739 = 1.8204
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 8940     48692 8940 / 48692 = 0.1836
Origin-only ASes 7212     41587 7212 / 41587 = 0.1734
Origin and Transit ASes 1593     6888 1593 / 6888 = 0.2313
Transit ASes 135     217 135 / 217 = 0.6221
ASs Announcing a single prefix 6494     19587 6494 / 19587 = 0.3315
Average Announcements per AS 2.2692     10.8481 2.2692 / 10.8481 = 0.2092
Average Address Range per AS (prefix) 28.9341     - 28.9341 / 10.8481 = 2.6672
Max Announcments for an AS 447     957 447 / 957 = 0.4671
Max Announced span for an AS 19.00     - 19.00 / 957 = 0.0199
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 13767     253446 13767 / 253446 = 0.0543
Number of More Specifics 6213     272416 6213 / 272416 = 0.0228
Specifics: % of Announcements 31.0961     51.8037 31.0961 / 51.8037 = 0.6003
Specifics: % of Address Space 1.8215     32.6743 1.8215 / 32.6743 = 0.0557



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2554     125471 2554 / 125471 = 0.0204
Specifics where AS prepended Path matches aggregate % 41.11     46.06 41.11 / 46.06 = 0.8925
Specifics where AS Path matches aggregate 2806     132321 2806 / 132321 = 0.0212
Specifics where AS Path matches aggregate % 45.1634     48.5731 45.1634 / 48.5731 = 0.9298
Specifics where AS Origin matches aggregate 4247     201168 4247 / 201168 = 0.0211
Specifics where AS Origin matches aggregate % 68.3567     73.8459 68.3567 / 73.8459 = 0.9257
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6832     31949 6832 / 31949 = 0.2138
Origin ASs announced via a single AS path 6637     31445 6637 / 31445 = 0.2111
Multi-Origin Prefixes 110     2248 110 / 2248 = 0.0489
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 39351     205421 39351 / 205421 = 0.1916
Selected AS Paths 10000     70752 10000 / 70752 = 0.1413
AS paths associated with a single FIB entry 7653     33677 7653 / 33677 = 0.2272
Unique AS prepended Paths 39786     217728 39786 / 217728 = 0.1827
AS Paths using prepending 3054     48231 3054 / 48231 = 0.0633
AS Paths using private ASs 28     281 28 / 281 = 0.0996
Average AS path length 4.0113     4.4643 4.0113 / 4.4643 = 0.8985
Average address weighted AS path length 3.7421     5.3885 3.7421 / 5.3885 = 0.6945
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 25     95 25 / 95 = 0.2632
Average entries per AS Path 0.5077     2.5599 0.5077 / 2.5599 = 0.1983
Average entries per Selected AS Path 1.9980     7.4325 1.9980 / 7.4325 = 0.2688
AS Paths per origin AS 4.4692     4.2377 4.4692 / 4.2377 = 1.0546
Selected AS Paths per origin AS 1.1357     1.4596 1.1357 / 1.4596 = 0.7781