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IPv6: IPv6 / IPv4 Comparative Statistics
Report Date: 10-02-2010 0045
Prefixes
IPv6
IPv4
IPv6 / IPv4
Prefix Count
855
219603
855 / 219603 = 0.0039
Addresses
IPv6
IPv4
IPv6 / IPv4
Announced Address Span
16.8245
1.30814860
16.8245 / 1.30814860 = 12.8613
Announced % of Total Address span
0.000862
40.383879
0.000862 / 40.383879 = 0.0000
Average Address Span per Announcement
26.5643
19.0527
26.5643 / 19.0527 = 1.3943
Average Announcement Length
34.8035
22.2448
34.8035 / 22.2448 = 1.5646
AS Numbers
IPv6
IPv4
IPv6 / IPv4
AS Count
741
25296
741 / 25296 = 0.0293
Origin-only ASes
548
17678
548 / 17678 = 0.0310
Origin and Transit ASes
166
7532
166 / 7532 = 0.0220
Transit ASes
27
86
27 / 86 = 0.3140
ASs Announcing a single prefix
624
10722
624 / 10722 = 0.0582
Average Announcements per AS
1.1975
8.7109
1.1975 / 8.7109 = 0.1375
Average Address Range per AS (prefix)
26.3043
-
26.3043 / 8.7109 = 3.0197
Max Announcments for an AS
19
1477
19 / 1477 = 0.0129
Max Announced span for an AS
19.00
-
19.00 / 1477 = 0.0129
Use of More Specific Announcements
IPv6
IPv4
IPv6 / IPv4
Root Prefix Count
723
107953
723 / 107953 = 0.0067
Number of More Specifics
132
111650
132 / 111650 = 0.0012
Specifics: % of Announcements
15.4386
50.8417
15.4386 / 50.8417 = 0.3037
Specifics: % of Address Space
0.0274
23.0807
0.0274 / 23.0807 = 0.0012
Additional Data
More Specifics
IPv6
IPv4
IPv6 / IPv4
Specifics where AS prepended Path matches aggregate
23
40676
23 / 40676 = 0.0006
Specifics where AS prepended Path matches aggregate %
17.42
36.43
17.42 / 36.43 = 0.4782
Specifics where AS Path matches aggregate
23
42911
23 / 42911 = 0.0005
Specifics where AS Path matches aggregate %
17.4242
38.4335
17.4242 / 38.4335 = 0.4534
Specifics where AS Origin matches aggregate
46
61937
46 / 61937 = 0.0007
Specifics where AS Origin matches aggregate %
34.8485
55.4742
34.8485 / 55.4742 = 0.6282
AS Numbers
IPv6
IPv4
IPv6 / IPv4
ASes visible in only one AS path
561
17730
561 / 17730 = 0.0316
Origin ASs announced via a single AS path
548
17678
548 / 17678 = 0.0310
Multi-Origin Prefixes
6
93
6 / 93 = 0.0645
AS Paths
IPv6
IPv4
IPv6 / IPv4
Unique AS Paths
2925
66876
2925 / 66876 = 0.0437
Selected AS Paths
737
33552
737 / 33552 = 0.0220
AS paths associated with a single FIB entry
667
16239
667 / 16239 = 0.0411
Unique AS prepended Paths
2926
69970
2926 / 69970 = 0.0418
AS Paths using prepending
111
12650
111 / 12650 = 0.0088
AS Paths using private ASs
1
2
1 / 2 = 0.5000
Average AS path length
4.8012
3.6324
4.8012 / 3.6324 = 1.3218
Average address weighted AS path length
3.4635
3.9416
3.4635 / 3.9416 = 0.8787
Maximum AS Path length
13
12
13 / 12 = 1.0833
Maximum prepended AS Path length
13
27
13 / 27 = 0.4815
Average entries per AS Path
0.2923
3.2837
0.2923 / 3.2837 = 0.0890
Average entries per Selected AS Path
1.1601
6.5452
1.1601 / 6.5452 = 0.1772
AS Paths per origin AS
4.0966
2.6528
4.0966 / 2.6528 = 1.5443
Selected AS Paths per origin AS
1.0322
1.3309
1.0322 / 1.3309 = 0.7756