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Open DNS (ODNS)

DNS over TCP Scanning

Last successfull measurement:

Distribution of ODNS Components Worldwide
Number of ODNS Components:
Share of ODNS Components of Top-50 Countries

This plot shows the Top-50 countries which host the most transparent forwarders (absolut). The bars show the share of all ODNS components per country, the left y-axis shows the absolut amount of transparent forwarders active in these countries. Countries marked with a '*' are emerging markets.

Consolidation Effect of Transparent Forwarders in Top-50 Countries

This plot shows the Top-50 countries which host the most transparent forwarders (absolut). Countries marked with a '*' are emerging markets, the heatmap shows where transparent forwarders relay their requests to.

Top 50 Autonomous System with most Transparent Forwarders

This table shows the top-50 autonomous systems (AS) that host most of the transparent DNS forwarders.

ASN # Transparent Forwarders Δ Last Week [#] Δ Last Week [%] Δ Last Week [Rank]
0 41876 387 1 0 0
1 17639 162 -2 -1 0
2 6147 156 20 15 0
3 30873 140 29 26 0
4 7713 70 11 19 0
5 393735 46 -5 -10 0
6 206863 42 10 31 0
7 7029 41 11 37 0
8 23679 22 1 5 1
9 4134 21 -4 -16 -1
10 9658 17 -1 -6 0
11 17995 16 0 0 0
12 3462 14 1 8 0
13 132669 13 1 8 1
14 9341 13 5 62 19
15 12389 13 1 8 -2
16 17451 12 2 20 5
17 14080 12 1 9 2
18 21021 11 0 0 -2
19 31083 11 0 0 -1
20 40867 11 1 10 2
21 5713 11 2 22 7
22 10620 11 2 22 10
23 131111 10 1 11 4
24 46029 10 -1 -9 -9
25 3302 10 2 25 12
26 265606 10 0 0 -3
27 50629 9 0 0 2
28 34754 9 0 0 -2
29 45305 9 -2 -18 -12
30 9939 9 3 50 24
31 9299 9 0 0 0
32 266834 9 -2 -18 -12
33 262578 8 0 0 5
34 6167 8 -1 -11 -4
35 7303 8 -2 -20 -11
36 27695 8 0 0 -2
37 58224 8 -1 -11 -12
38 63859 8 1 14 8
39 4808 7 0 0 8
40 13489 7 0 0 1
41 4787 7 1 17 14
42 262186 6 1 20 21
43 22884 6 3 100 95
44 17727 6 -1 -14 -2
45 38450 6 0 0 4
46 8151 6 0 0 7
47 131717 6 0 0 4
48 4847 6 0 0 11
49 142352 6 1 20 17