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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 29-07-2015 1745

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 23730     561235 23730 / 561235 = 0.0423
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.6229     0.63183030 15.6229 / 0.63183030 = 24.7264
Announced % of Total Address span 0.001982     64.535715 0.001982 / 64.535715 = 0.0000
Average Address Span per Announcement 30.1573     19.7303 30.1573 / 19.7303 = 1.5285
Average Announcement Length 41.6946     22.5081 41.6946 / 22.5081 = 1.8524
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 9961     51255 9961 / 51255 = 0.1943
Origin-only ASes 8054     43833 8054 / 43833 = 0.1837
Origin and Transit ASes 1759     7212 1759 / 7212 = 0.2439
Transit ASes 148     210 148 / 210 = 0.7048
ASs Announcing a single prefix 7201     20345 7201 / 20345 = 0.3539
Average Announcements per AS 2.4182     10.9949 2.4182 / 10.9949 = 0.2199
Average Address Range per AS (prefix) 28.8834     - 28.8834 / 10.9949 = 2.6270
Max Announcments for an AS 446     971 446 / 971 = 0.4593
Max Announced span for an AS 18.95     - 18.95 / 971 = 0.0195
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 16258     270099 16258 / 270099 = 0.0602
Number of More Specifics 7472     291136 7472 / 291136 = 0.0257
Specifics: % of Announcements 31.4876     51.8742 31.4876 / 51.8742 = 0.6070
Specifics: % of Address Space 2.1869     33.0044 2.1869 / 33.0044 = 0.0663



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 3325     133887 3325 / 133887 = 0.0248
Specifics where AS prepended Path matches aggregate % 44.50     45.99 44.50 / 45.99 = 0.9676
Specifics where AS Path matches aggregate 3565     143146 3565 / 143146 = 0.0249
Specifics where AS Path matches aggregate % 47.7115     49.1681 47.7115 / 49.1681 = 0.9704
Specifics where AS Origin matches aggregate 5206     213387 5206 / 213387 = 0.0244
Specifics where AS Origin matches aggregate % 69.6734     73.2946 69.6734 / 73.2946 = 0.9506
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 7584     33596 7584 / 33596 = 0.2257
Origin ASs announced via a single AS path 7389     33100 7389 / 33100 = 0.2232
Multi-Origin Prefixes 79     2265 79 / 2265 = 0.0349
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 44574     218130 44574 / 218130 = 0.2043
Selected AS Paths 11081     74432 11081 / 74432 = 0.1489
AS paths associated with a single FIB entry 8638     35198 8638 / 35198 = 0.2454
Unique AS prepended Paths 45045     231656 45045 / 231656 = 0.1944
AS Paths using prepending 3533     52470 3533 / 52470 = 0.0673
AS Paths using private ASs 4     261 4 / 261 = 0.0153
Average AS path length 4.0172     4.4442 4.0172 / 4.4442 = 0.9039
Average address weighted AS path length 3.6322     5.2570 3.6322 / 5.2570 = 0.6909
Maximum AS Path length 13     14 13 / 14 = 0.9286
Maximum prepended AS Path length 25     57 25 / 57 = 0.4386
Average entries per AS Path 0.5324     2.5729 0.5324 / 2.5729 = 0.2069
Average entries per Selected AS Path 2.0930     7.5402 2.0930 / 7.5402 = 0.2776
AS Paths per origin AS 4.5423     4.2733 4.5423 / 4.2733 = 1.0629
Selected AS Paths per origin AS 1.1554     1.4582 1.1554 / 1.4582 = 0.7923