IPv6: IPv6 / IPv4 Comparative Statistics

5 Sep
Prefixes
  IPv6   IPv4   IPv6 / IPv4
Prefix Count 32409 628153 32409 / 628153 = 0.0516
Addresses
  IPv6   IPv4   IPv6 / IPv4
Announced Address Span 155.235 0.60377371 15.5235 / 0.60377371 = 25.7108
Announced % of Total Address span 0.002123 65.803.047 0.002123 / 65.803047 = 0.0000
Average Address Span per Announcement 305.076 198.646 30.5076 / 19.8646 = 1.5358
Average Announcement Length 411.111 225.802 41.1111 / 22.5802 = 1.8207
AS Numbers
  IPv6   IPv4   IPv6 / IPv4
AS Count 12161 55014 12161 / 55014 = 0.2211
Origin-only ASes 9956 47333 9956 / 47333 = 0.2103
Origin and Transit ASes 2032 7470 2032 / 7470 = 0.2720
Transit ASes 173 211 173 / 211 = 0.8199
ASs Announcing a single prefix 8557 21224 8557 / 21224 = 0.4032
Average Announcements per AS 27.035 114.620 2.7035 / 11.4620 = 0.2359
Average Address Range per AS (prefix) 290.728 29.0728 / 11.4620 = 2.5365
Max Announcments for an AS 597 3582 597 / 3582 = 0.1667
Max Announced span for an AS 18.95 18.95 / 3582 = 0.0053
Use of More Specific Announcements
  IPv6   IPv4   IPv6 / IPv4
Root Prefix Count 21624 297134 21624 / 297134 = 0.0728
Number of More Specifics 10785 331019 10785 / 331019 = 0.0326
Specifics: % of Announcements 332.778 526.972 33.2778 / 52.6972 = 0.6315
Specifics: % of Address Space 24.004 348.608 2.4004 / 34.8608 = 0.0689
Additional Data
More Specifics
  IPv6   IPv4   IPv6 / IPv4
Specifics where AS prepended Path matches aggregate 4991 144476 4991 / 144476 = 0.0345
Specifics where AS prepended Path matches aggregate % 46.28 43.65 46.28 / 43.65 = 1.0603
Specifics where AS Path matches aggregate 5301 151388 5301 / 151388 = 0.0350
Specifics where AS Path matches aggregate % 491.516 457.339 49.1516 / 45.7339 = 1.0747
Specifics where AS Origin matches aggregate 8232 246644 8232 / 246644 = 0.0334
Specifics where AS Origin matches aggregate % 763.282 745.105 76.3282 / 74.5105 = 1.0244
AS Numbers
  IPv6   IPv4   IPv6 / IPv4
ASes visible in only one AS path 9133 35341 9133 / 35341 = 0.2584
Origin ASs announced via a single AS path 8965 35011 8965 / 35011 = 0.2561
Multi-Origin Prefixes 95 1585 95 / 1585 = 0.0599
AS Paths
  IPv6   IPv4   IPv6 / IPv4
Unique AS Paths 27835 159629 27835 / 159629 = 0.1744
Selected AS Paths 11081 83091 11081 / 83091 = 0.1334
AS paths associated with a single FIB entry 10677 38819 10677 / 38819 = 0.2750
Unique AS prepended Paths 28156 169180 28156 / 169180 = 0.1664
AS Paths using prepending 2104 36619 2104 / 36619 = 0.0575
AS Paths using private ASs 5 151 5 / 151 = 0.0331
Average AS path length 55.162 57.137 5.5162 / 5.7137 = 0.9654
Average address weighted AS path length 51.802 69.349 5.1802 / 6.9349 = 0.7470
Maximum AS Path length 12 13 12 / 13 = 0.9231
Maximum prepended AS Path length 22 56 22 / 56 = 0.3929
Average entries per AS Path 11.643 39.351 1.1643 / 3.9351 = 0.2959
Average entries per Selected AS Path 22.660 75.598 2.2660 / 7.5598 = 0.2997
AS Paths per origin AS 23.219 29.128 2.3219 / 2.9128 = 0.7971
Selected AS Paths per origin AS 11.930 15.162 1.1930 / 1.5162 = 0.7868

http://bgp.potaroo.net/v6/v6rpt.html

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