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IPv6: IPv6 / IPv4 Comparative Statistics
Report Date: 20-05-2013 0745
Prefixes
IPv6
IPv4
IPv6 / IPv4
Prefix Count
12960
456775
12960 / 456775 = 0.0284
Addresses
IPv6
IPv4
IPv6 / IPv4
Announced Address Span
9.9845
0.71493774
9.9845 / 0.71493774 = 13.9656
Announced % of Total Address span
0.098713
60.923142
0.098713 / 60.923142 = 0.0016
Average Address Span per Announcement
23.6462
19.5162
23.6462 / 19.5162 = 1.2116
Average Announcement Length
39.8644
22.4245
39.8644 / 22.4245 = 1.7777
AS Numbers
IPv6
IPv4
IPv6 / IPv4
AS Count
7063
44201
7063 / 44201 = 0.1598
Origin-only ASes
5723
37826
5723 / 37826 = 0.1513
Origin and Transit ASes
1230
6203
1230 / 6203 = 0.1983
Transit ASes
110
172
110 / 172 = 0.6395
ASs Announcing a single prefix
5369
18298
5369 / 18298 = 0.2934
Average Announcements per AS
1.8639
10.3744
1.8639 / 10.3744 = 0.1797
Average Address Range per AS (prefix)
22.7479
-
22.7479 / 10.3744 = 2.1927
Max Announcments for an AS
330
999
330 / 999 = 0.3303
Max Announced span for an AS
10.00
-
10.00 / 999 = 0.0100
Use of More Specific Announcements
IPv6
IPv4
IPv6 / IPv4
Root Prefix Count
6328
224694
6328 / 224694 = 0.0282
Number of More Specifics
6632
232081
6632 / 232081 = 0.0286
Specifics: % of Announcements
51.1728
50.8086
51.1728 / 50.8086 = 1.0072
Specifics: % of Address Space
0.6096
29.8388
0.6096 / 29.8388 = 0.0204
Additional Data
More Specifics
IPv6
IPv4
IPv6 / IPv4
Specifics where AS prepended Path matches aggregate
1273
97290
1273 / 97290 = 0.0131
Specifics where AS prepended Path matches aggregate %
19.19
41.92
19.19 / 41.92 = 0.4578
Specifics where AS Path matches aggregate
1335
102280
1335 / 102280 = 0.0131
Specifics where AS Path matches aggregate %
20.1297
44.0708
20.1297 / 44.0708 = 0.4568
Specifics where AS Origin matches aggregate
2268
165199
2268 / 165199 = 0.0137
Specifics where AS Origin matches aggregate %
34.1978
71.1816
34.1978 / 71.1816 = 0.4804
AS Numbers
IPv6
IPv4
IPv6 / IPv4
ASes visible in only one AS path
5469
29337
5469 / 29337 = 0.1864
Origin ASs announced via a single AS path
5326
28965
5326 / 28965 = 0.1839
Multi-Origin Prefixes
56
1242
56 / 1242 = 0.0451
AS Paths
IPv6
IPv4
IPv6 / IPv4
Unique AS Paths
23071
122640
23071 / 122640 = 0.1881
Selected AS Paths
7828
64082
7828 / 64082 = 0.1222
AS paths associated with a single FIB entry
6224
30965
6224 / 30965 = 0.2010
Unique AS prepended Paths
23286
129612
23286 / 129612 = 0.1797
AS Paths using prepending
1540
31654
1540 / 31654 = 0.0487
AS Paths using private ASs
17
75
17 / 75 = 0.2267
Average AS path length
4.6856
5.8197
4.6856 / 5.8197 = 0.8051
Average address weighted AS path length
4.0291
6.8358
4.0291 / 6.8358 = 0.5894
Maximum AS Path length
13
14
13 / 14 = 0.9286
Maximum prepended AS Path length
18
32
18 / 32 = 0.5625
Average entries per AS Path
0.5617
3.7245
0.5617 / 3.7245 = 0.1508
Average entries per Selected AS Path
1.6556
7.1280
1.6556 / 7.1280 = 0.2323
AS Paths per origin AS
3.3181
2.7854
3.3181 / 2.7854 = 1.1912
Selected AS Paths per origin AS
1.1258
1.4554
1.1258 / 1.4554 = 0.7735