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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 24-11-2014 0245

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 20586     523304 20586 / 523304 = 0.0393
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.8260     0.66266393 15.8260 / 0.66266393 = 23.8824
Announced % of Total Address span 0.001721     63.171077 0.001721 / 63.171077 = 0.0000
Average Address Span per Announcement 30.1554     19.6601 30.1554 / 19.6601 = 1.5338
Average Announcement Length 40.9598     22.4696 40.9598 / 22.4696 = 1.8229
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 9030     48905 9030 / 48905 = 0.1846
Origin-only ASes 7300     41757 7300 / 41757 = 0.1748
Origin and Transit ASes 1590     6930 1590 / 6930 = 0.2294
Transit ASes 140     218 140 / 218 = 0.6422
ASs Announcing a single prefix 6543     19652 6543 / 19652 = 0.3329
Average Announcements per AS 2.3156     10.7483 2.3156 / 10.7483 = 0.2154
Average Address Range per AS (prefix) 28.9440     - 28.9440 / 10.7483 = 2.6929
Max Announcments for an AS 453     955 453 / 955 = 0.4743
Max Announced span for an AS 19.00     - 19.00 / 955 = 0.0199
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 14036     254454 14036 / 254454 = 0.0552
Number of More Specifics 6550     268850 6550 / 268850 = 0.0244
Specifics: % of Announcements 31.8177     51.3755 31.8177 / 51.3755 = 0.6193
Specifics: % of Address Space 1.8367     32.6407 1.8367 / 32.6407 = 0.0563



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 2727     121695 2727 / 121695 = 0.0224
Specifics where AS prepended Path matches aggregate % 41.63     45.27 41.63 / 45.27 = 0.9196
Specifics where AS Path matches aggregate 2978     130437 2978 / 130437 = 0.0228
Specifics where AS Path matches aggregate % 45.4656     48.5166 45.4656 / 48.5166 = 0.9371
Specifics where AS Origin matches aggregate 4542     196772 4542 / 196772 = 0.0231
Specifics where AS Origin matches aggregate % 69.3435     73.1903 69.3435 / 73.1903 = 0.9474
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6896     32184 6896 / 32184 = 0.2143
Origin ASs announced via a single AS path 6701     31690 6701 / 31690 = 0.2115
Multi-Origin Prefixes 112     2423 112 / 2423 = 0.0462
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 39898     206737 39898 / 206737 = 0.1930
Selected AS Paths 10120     70861 10120 / 70861 = 0.1428
AS paths associated with a single FIB entry 7731     33667 7731 / 33667 = 0.2296
Unique AS prepended Paths 40344     219100 40344 / 219100 = 0.1841
AS Paths using prepending 3110     49110 3110 / 49110 = 0.0633
AS Paths using private ASs 27     302 27 / 302 = 0.0894
Average AS path length 4.0092     4.4660 4.0092 / 4.4660 = 0.8977
Average address weighted AS path length 3.7223     5.3878 3.7223 / 5.3878 = 0.6909
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 34     80 34 / 80 = 0.4250
Average entries per AS Path 0.5160     2.5313 0.5160 / 2.5313 = 0.2038
Average entries per Selected AS Path 2.0342     7.3849 2.0342 / 7.3849 = 0.2755
AS Paths per origin AS 4.4880     4.2462 4.4880 / 4.2462 = 1.0569
Selected AS Paths per origin AS 1.1384     1.4554 1.1384 / 1.4554 = 0.7822