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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 02-09-2014 2045

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 19135     515219 19135 / 515219 = 0.0371
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.8388     0.66020534 15.8388 / 0.66020534 = 23.9907
Announced % of Total Address span 0.001706     63.278823 0.001706 / 63.278823 = 0.0000
Average Address Span per Announcement 30.0627     19.6350 30.0627 / 19.6350 = 1.5311
Average Announcement Length 40.7984     22.4548 40.7984 / 22.4548 = 1.8169
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 8715     48136 8715 / 48136 = 0.1810
Origin-only ASes 7020     41115 7020 / 41115 = 0.1707
Origin and Transit ASes 1559     6809 1559 / 6809 = 0.2290
Transit ASes 136     212 136 / 212 = 0.6415
ASs Announcing a single prefix 6346     19490 6346 / 19490 = 0.3256
Average Announcements per AS 2.2304     10.7508 2.2304 / 10.7508 = 0.2075
Average Address Range per AS (prefix) 28.9054     - 28.9054 / 10.7508 = 2.6887
Max Announcments for an AS 407     954 407 / 954 = 0.4266
Max Announced span for an AS 19.00     - 19.00 / 954 = 0.0199
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 13227     250013 13227 / 250013 = 0.0529
Number of More Specifics 5908     265206 5908 / 265206 = 0.0223
Specifics: % of Announcements 30.8754     51.4744 30.8754 / 51.4744 = 0.5998
Specifics: % of Address Space 1.8319     31.7227 1.8319 / 31.7227 = 0.0577



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2301     121343 2301 / 121343 = 0.0190
Specifics where AS prepended Path matches aggregate % 38.95     45.75 38.95 / 45.75 = 0.8514
Specifics where AS Path matches aggregate 2548     128433 2548 / 128433 = 0.0198
Specifics where AS Path matches aggregate % 43.1280     48.4276 43.1280 / 48.4276 = 0.8906
Specifics where AS Origin matches aggregate 4005     193786 4005 / 193786 = 0.0207
Specifics where AS Origin matches aggregate % 67.7894     73.0700 67.7894 / 73.0700 = 0.9277
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6656     32045 6656 / 32045 = 0.2077
Origin ASs announced via a single AS path 6464     31550 6464 / 31550 = 0.2049
Multi-Origin Prefixes 102     2376 102 / 2376 = 0.0429
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 38407     203234 38407 / 203234 = 0.1890
Selected AS Paths 9803     68688 9803 / 68688 = 0.1427
AS paths associated with a single FIB entry 7531     32543 7531 / 32543 = 0.2314
Unique AS prepended Paths 38828     215456 38828 / 215456 = 0.1802
AS Paths using prepending 3075     48041 3075 / 48041 = 0.0640
AS Paths using private ASs 26     260 26 / 260 = 0.1000
Average AS path length 4.0224     4.4774 4.0224 / 4.4774 = 0.8984
Average address weighted AS path length 3.7275     5.3613 3.7275 / 5.3613 = 0.6953
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 27     55 27 / 55 = 0.4909
Average entries per AS Path 0.4982     2.5351 0.4982 / 2.5351 = 0.1965
Average entries per Selected AS Path 1.9520     7.5009 1.9520 / 7.5009 = 0.2602
AS Paths per origin AS 4.4769     4.2408 4.4769 / 4.2408 = 1.0557
Selected AS Paths per origin AS 1.1427     1.4333 1.1427 / 1.4333 = 0.7973