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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 09-03-2014 1245

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 16969     491961 16969 / 491961 = 0.0345
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.8477     0.69237479 15.8477 / 0.69237479 = 22.8889
Announced % of Total Address span 0.001696     61.883436 0.001696 / 61.883436 = 0.0000
Average Address Span per Announcement 29.8984     19.6007 29.8984 / 19.6007 = 1.5254
Average Announcement Length 40.4828     22.4372 40.4828 / 22.4372 = 1.8043
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 8064     46444 8064 / 46444 = 0.1736
Origin-only ASes 6513     39800 6513 / 39800 = 0.1636
Origin and Transit ASes 1421     6464 1421 / 6464 = 0.2198
Transit ASes 130     180 130 / 180 = 0.7222
ASs Announcing a single prefix 5941     19031 5941 / 19031 = 0.3122
Average Announcements per AS 2.1388     10.6338 2.1388 / 10.6338 = 0.2011
Average Address Range per AS (prefix) 28.8016     - 28.8016 / 10.6338 = 2.7085
Max Announcments for an AS 350     1916 350 / 1916 = 0.1827
Max Announced span for an AS 19.00     - 19.00 / 1916 = 0.0099
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 11773     239990 11773 / 239990 = 0.0491
Number of More Specifics 5196     251971 5196 / 251971 = 0.0206
Specifics: % of Announcements 30.6205     51.2177 30.6205 / 51.2177 = 0.5978
Specifics: % of Address Space 1.6452     31.3093 1.6452 / 31.3093 = 0.0525


Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 1988     108735 1988 / 108735 = 0.0183
Specifics where AS prepended Path matches aggregate % 38.26     43.15 38.26 / 43.15 = 0.8867
Specifics where AS Path matches aggregate 2105     115807 2105 / 115807 = 0.0182
Specifics where AS Path matches aggregate % 40.5119     45.9604 40.5119 / 45.9604 = 0.8815
Specifics where AS Origin matches aggregate 3620     183924 3620 / 183924 = 0.0197
Specifics where AS Origin matches aggregate % 69.6690     72.9941 69.6690 / 72.9941 = 0.9544
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 6150     30445 6150 / 30445 = 0.2020
Origin ASs announced via a single AS path 5996     30105 5996 / 30105 = 0.1992
Multi-Origin Prefixes 70     1102 70 / 1102 = 0.0635
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 26620     132187 26620 / 132187 = 0.2014
Selected AS Paths 9067     68876 9067 / 68876 = 0.1316
AS paths associated with a single FIB entry 7056     33312 7056 / 33312 = 0.2118
Unique AS prepended Paths 26898     139653 26898 / 139653 = 0.1926
AS Paths using prepending 1922     33066 1922 / 33066 = 0.0581
AS Paths using private ASs 26     148 26 / 148 = 0.1757
Average AS path length 4.7192     5.7680 4.7192 / 5.7680 = 0.8182
Average address weighted AS path length 4.4780     6.9209 4.4780 / 6.9209 = 0.6470
Maximum AS Path length 13     15 13 / 15 = 0.8667
Maximum prepended AS Path length 26     55 26 / 55 = 0.4727
Average entries per AS Path 0.6375     3.7217 0.6375 / 3.7217 = 0.1713
Average entries per Selected AS Path 1.8715     7.1427 1.8715 / 7.1427 = 0.2620
AS Paths per origin AS 3.3552     2.8572 3.3552 / 2.8572 = 1.1743
Selected AS Paths per origin AS 1.1428     1.4888 1.1428 / 1.4888 = 0.7676