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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 22-01-2017 0745

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 35600     649058 35600 / 649058 = 0.0548
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.4895     0.59980401 15.4895 / 0.59980401 = 25.8243
Announced % of Total Address span 0.002174     65.984359 0.002174 / 65.984359 = 0.0000
Average Address Span per Announcement 30.6091     19.9079 30.6091 / 19.9079 = 1.5375
Average Announcement Length 41.2548     22.6002 41.2548 / 22.6002 = 1.8254
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 12729     56338 12729 / 56338 = 0.2259
Origin-only ASes 10369     48494 10369 / 48494 = 0.2138
Origin and Transit ASes 2176     7623 2176 / 7623 = 0.2855
Transit ASes 184     221 184 / 221 = 0.8326
ASs Announcing a single prefix 8877     21546 8877 / 21546 = 0.4120
Average Announcements per AS 2.8378     11.5662 2.8378 / 11.5662 = 0.2454
Average Address Range per AS (prefix) 29.1043     - 29.1043 / 11.5662 = 2.5163
Max Announcments for an AS 787     3758 787 / 3758 = 0.2094
Max Announced span for an AS 18.95     - 18.95 / 3758 = 0.0050
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 23185     305056 23185 / 305056 = 0.0760
Number of More Specifics 12415     344002 12415 / 344002 = 0.0361
Specifics: % of Announcements 34.8736     53.0002 34.8736 / 53.0002 = 0.6580
Specifics: % of Address Space 2.4019     35.5980 2.4019 / 35.5980 = 0.0675



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 5920     150176 5920 / 150176 = 0.0394
Specifics where AS prepended Path matches aggregate % 47.68     43.66 47.68 / 43.66 = 1.0921
Specifics where AS Path matches aggregate 6160     158766 6160 / 158766 = 0.0388
Specifics where AS Path matches aggregate % 49.6174     46.1526 49.6174 / 46.1526 = 1.0751
Specifics where AS Origin matches aggregate 9722     258789 9722 / 258789 = 0.0376
Specifics where AS Origin matches aggregate % 78.3085     75.2289 78.3085 / 75.2289 = 1.0409
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 9494     35783 9494 / 35783 = 0.2653
Origin ASs announced via a single AS path 9291     35467 9291 / 35467 = 0.2620
Multi-Origin Prefixes 90     2163 90 / 2163 = 0.0416
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 28935     164520 28935 / 164520 = 0.1759
Selected AS Paths 11081     86130 11081 / 86130 = 0.1287
AS paths associated with a single FIB entry 11195     40417 11195 / 40417 = 0.2770
Unique AS prepended Paths 29322     174872 29322 / 174872 = 0.1677
AS Paths using prepending 2572     38695 2572 / 38695 = 0.0665
AS Paths using private ASs 8     242 8 / 242 = 0.0331
Average AS path length 5.4792     5.6959 5.4792 / 5.6959 = 0.9620
Average address weighted AS path length 5.1928     6.9579 5.1928 / 6.9579 = 0.7463
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 23     57 23 / 57 = 0.4035
Average entries per AS Path 1.2303     3.9452 1.2303 / 3.9452 = 0.3118
Average entries per Selected AS Path 2.3612     7.5358 2.3612 / 7.5358 = 0.3133
AS Paths per origin AS 2.3065     2.9317 2.3065 / 2.9317 = 0.7867
Selected AS Paths per origin AS 1.2018     1.5348 1.2018 / 1.5348 = 0.7830