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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 06-05-2016 1645

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 29006     609311 29006 / 609311 = 0.0476
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.5529     0.60939702 15.5529 / 0.60939702 = 25.5218
Announced % of Total Address span 0.002080     65.547060 0.002080 / 65.547060 = 0.0000
Average Address Span per Announcement 30.3770     19.8263 30.3770 / 19.8263 = 1.5322
Average Announcement Length 41.0151     22.5543 41.0151 / 22.5543 = 1.8185
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 11542     53900 11542 / 53900 = 0.2141
Origin-only ASes 9462     46371 9462 / 46371 = 0.2040
Origin and Transit ASes 1926     7315 1926 / 7315 = 0.2633
Transit ASes 154     214 154 / 214 = 0.7196
ASs Announcing a single prefix 8190     21005 8190 / 21005 = 0.3899
Average Announcements per AS 2.5471     11.3495 2.5471 / 11.3495 = 0.2244
Average Address Range per AS (prefix) 29.0282     - 29.0282 / 11.3495 = 2.5577
Max Announcments for an AS 467     3378 467 / 3378 = 0.1382
Max Announced span for an AS 18.95     - 18.95 / 3378 = 0.0056
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 19606     290925 19606 / 290925 = 0.0674
Number of More Specifics 9400     318386 9400 / 318386 = 0.0295
Specifics: % of Announcements 32.4071     52.2534 32.4071 / 52.2534 = 0.6202
Specifics: % of Address Space 2.3266     34.3707 2.3266 / 34.3707 = 0.0677



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 4326     140375 4326 / 140375 = 0.0308
Specifics where AS prepended Path matches aggregate % 46.02     44.09 46.02 / 44.09 = 1.0438
Specifics where AS Path matches aggregate 4567     148252 4567 / 148252 = 0.0308
Specifics where AS Path matches aggregate % 48.5851     46.5636 48.5851 / 46.5636 = 1.0434
Specifics where AS Origin matches aggregate 7013     236948 7013 / 236948 = 0.0296
Specifics where AS Origin matches aggregate % 74.6064     74.4216 74.6064 / 74.4216 = 1.0025
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 8759     34776 8759 / 34776 = 0.2519
Origin ASs announced via a single AS path 8598     34456 8598 / 34456 = 0.2495
Multi-Origin Prefixes 64     1482 64 / 1482 = 0.0432
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 26239     156444 26239 / 156444 = 0.1677
Selected AS Paths 11081     80718 11081 / 80718 = 0.1373
AS paths associated with a single FIB entry 10036     37873 10036 / 37873 = 0.2650
Unique AS prepended Paths 26550     165665 26550 / 165665 = 0.1603
AS Paths using prepending 1935     34787 1935 / 34787 = 0.0556
AS Paths using private ASs 4     145 4 / 145 = 0.0276
Average AS path length 5.5111     5.7020 5.5111 / 5.7020 = 0.9665
Average address weighted AS path length 5.1646     6.8986 5.1646 / 6.8986 = 0.7486
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 32     45 32 / 45 = 0.7111
Average entries per AS Path 1.1055     3.8948 1.1055 / 3.8948 = 0.2838
Average entries per Selected AS Path 2.1687     7.5486 2.1687 / 7.5486 = 0.2873
AS Paths per origin AS 2.3041     2.9141 2.3041 / 2.9141 = 0.7907
Selected AS Paths per origin AS 1.1745     1.5035 1.1745 / 1.5035 = 0.7812