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IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 28-01-2020 2146

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 80353     817463 80353 / 817463 = 0.0983
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 15.0524     0.59022638 15.0524 / 0.59022638 = 25.5028
Announced % of Total Address span 0.002943     66.423867 0.002943 / 66.423867 = 0.0000
Average Address Span per Announcement 31.3465     20.2314 31.3465 / 20.2314 = 1.5494
Average Announcement Length 42.3204     22.7516 42.3204 / 22.7516 = 1.8601
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 18831     67063 18831 / 67063 = 0.2808
Origin-only ASes 15180     57349 15180 / 57349 = 0.2647
Origin and Transit ASes 3395     9405 3395 / 9405 = 0.3610
Transit ASes 256     309 256 / 309 = 0.8285
ASs Announcing a single prefix 12128     24086 12128 / 24086 = 0.5035
Average Announcements per AS 4.3259     12.2459 4.3259 / 12.2459 = 0.3533
Average Address Range per AS (prefix) 29.2335     - 29.2335 / 12.2459 = 2.3872
Max Announcments for an AS 1817     617 1817 / 617 = 2.9449
Max Announced span for an AS 18.95     - 18.95 / 617 = 0.0307
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 42908     388449 42908 / 388449 = 0.1105
Number of More Specifics 37445     429014 37445 / 429014 = 0.0873
Specifics: % of Announcements 46.6006     52.4812 46.6006 / 52.4812 = 0.8879
Specifics: % of Address Space 7.8835     37.7520 7.8835 / 37.7520 = 0.2088



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 20551     191637 20551 / 191637 = 0.1072
Specifics where AS prepended Path matches aggregate % 54.88     44.67 54.88 / 44.67 = 1.2286
Specifics where AS Path matches aggregate 21112     199762 21112 / 199762 = 0.1057
Specifics where AS Path matches aggregate % 56.3814     46.5630 56.3814 / 46.5630 = 1.2109
Specifics where AS Origin matches aggregate 29998     323320 29998 / 323320 = 0.0928
Specifics where AS Origin matches aggregate % 80.1122     75.3635 80.1122 / 75.3635 = 1.0630
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 13454     41382 13454 / 41382 = 0.3251
Origin ASs announced via a single AS path 13163     40966 13163 / 40966 = 0.3213
Multi-Origin Prefixes 268     2037 268 / 2037 = 0.1316
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 68910     202035 68910 / 202035 = 0.3411
Selected AS Paths 11081     105728 11081 / 105728 = 0.1048
AS paths associated with a single FIB entry 16517     48973 16517 / 48973 = 0.3373
Unique AS prepended Paths 70169     215559 70169 / 215559 = 0.3255
AS Paths using prepending 8372     53972 8372 / 53972 = 0.1551
AS Paths using private ASs 72     39 72 / 39 = 1.8462
Average AS path length 4.7129     5.5596 4.7129 / 5.5596 = 0.8477
Average address weighted AS path length 4.8205     7.0290 4.8205 / 7.0290 = 0.6858
Maximum AS Path length 12     14 12 / 14 = 0.8571
Maximum prepended AS Path length 25     36 25 / 36 = 0.6944
Average entries per AS Path 1.1661     4.0461 1.1661 / 4.0461 = 0.2882
Average entries per Selected AS Path 3.3929     7.7318 3.3929 / 7.7318 = 0.4388
AS Paths per origin AS 3.7098     3.0266 3.7098 / 3.0266 = 1.2257
Selected AS Paths per origin AS 1.2750     1.5838 1.2750 / 1.5838 = 0.8050