Home    BGP Reports    CIDR Reports   IPv4 Reports   IPv6 Reports    IETF Docs  

IPv6: IPv6 / IPv4 Comparative Statistics

Report Date: 17-03-2026 0547

Prefixes

           IPv6              IPv4   IPv6 / IPv4
Prefix Count 246671     1062223 246671 / 1062223 = 0.2322
 
 

Addresses

  IPv6              IPv4   IPv6 / IPv4
Announced Address Span 5.9980     0.46588031 5.9980 / 0.46588031 = 12.8746
Announced % of Total Address span 1.564626     72.402915 1.564626 / 72.402915 = 0.0216
Average Address Span per Announcement 23.9103     20.4848 23.9103 / 20.4848 = 1.1672
Average Announcement Length 42.9600     22.9470 42.9600 / 22.9470 = 1.8721
 
 

AS Numbers

  IPv6              IPv4   IPv6 / IPv4
AS Count 36453     78354 36453 / 78354 = 0.4652
Origin-only ASes 30199     66874 30199 / 66874 = 0.4516
Origin and Transit ASes 5888     10872 5888 / 10872 = 0.5416
Transit ASes 366     608 366 / 608 = 0.6020
ASs Announcing a single prefix 22142     27110 22142 / 27110 = 0.8167
Average Announcements per AS 6.8355     13.6627 6.8355 / 13.6627 = 0.5003
Average Address Range per AS (prefix) 21.1372     - 21.1372 / 13.6627 = 1.5471
Max Announcments for an AS 6911     3676 6911 / 3676 = 1.8800
Max Announced span for an AS 6.00     - 6.00 / 3676 = 0.0016
 
 

Use of More Specific Announcements

  IPv6              IPv4   IPv6 / IPv4
Root Prefix Count 53770     511323 53770 / 511323 = 0.1052
Number of More Specifics 192901     550900 192901 / 550900 = 0.3502
Specifics: % of Announcements 78.2017     51.8629 78.2017 / 51.8629 = 1.5079
Specifics: % of Address Space 0.1262     35.8228 0.1262 / 35.8228 = 0.0035



Additional Data

More Specifics

           IPv6              IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 65490     231671 65490 / 231671 = 0.2827
Specifics where AS prepended Path matches aggregate % 33.95     42.05 33.95 / 42.05 = 0.8074
Specifics where AS Path matches aggregate 70860     250364 70860 / 250364 = 0.2830
Specifics where AS Path matches aggregate % 36.7339     45.4464 36.7339 / 45.4464 = 0.8083
Specifics where AS Origin matches aggregate 107419     423610 107419 / 423610 = 0.2536
Specifics where AS Origin matches aggregate % 55.6861     76.8942 55.6861 / 76.8942 = 0.7242
 
 

AS Numbers

           IPv6              IPv4   IPv6 / IPv4
ASes visible in only one AS path 25937     46279 25937 / 46279 = 0.5604
Origin ASs announced via a single AS path 25541     45706 25541 / 45706 = 0.5588
Multi-Origin Prefixes 1111     1696 1111 / 1696 = 0.6551
 
 

AS Paths

           IPv6              IPv4   IPv6 / IPv4
Unique AS Paths 142771     259527 142771 / 259527 = 0.5501
Selected AS Paths 11081     134310 11081 / 134310 = 0.0825
AS paths associated with a single FIB entry 32816     64397 32816 / 64397 = 0.5096
Unique AS prepended Paths 146600     276208 146600 / 276208 = 0.5308
AS Paths using prepending 21718     64329 21718 / 64329 = 0.3376
AS Paths using private ASs 24     22 24 / 22 = 1.0909
Average AS path length 4.8765     5.1977 4.8765 / 5.1977 = 0.9382
Average address weighted AS path length 4.0066     6.5289 4.0066 / 6.5289 = 0.6137
Maximum AS Path length 27     15 27 / 15 = 1.8000
Maximum prepended AS Path length 46     97 46 / 97 = 0.4742
Average entries per AS Path 1.7277     4.0929 1.7277 / 4.0929 = 0.4221
Average entries per Selected AS Path 4.9690     7.9087 4.9690 / 7.9087 = 0.6283
AS Paths per origin AS 3.9563     3.3381 3.9563 / 3.3381 = 1.1852
Selected AS Paths per origin AS 1.3756     1.7275 1.3756 / 1.7275 = 0.7963