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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 17639 149 -6 -4 1
1 30873 131 -15 -10 1
2 41876 91 -326 -78 -2
3 7713 63 -8 -11 0
4 7029 53 2 4 0
5 24342 41 2 5 1
6 393735 35 8 30 2
7 206863 22 -8 -27 0
8 9658 19 1 6 7
9 17995 17 -2 -11 3
10 139008 16 -24 -60 -5
11 9299 16 -3 -16 0
12 10620 15 -2 -12 4
13 14080 15 -4 -21 0
14 132669 15 2 15 5
15 265583 15 0 0 3
16 13489 14 1 8 4
17 3462 14 -5 -26 -3
18 21021 12 0 0 5
19 23679 12 2 20 9
20 5384 12 2 20 7
21 9341 11 -6 -35 -4
22 4787 10 2 25 16
23 7303 10 1 11 11
24 12389 10 0 0 2
25 4134 10 -2 -17 -4
26 8151 9 1 12 13
27 40867 9 0 0 4
28 131111 9 0 0 4
29 4800 9 0 0 0
30 141474 9 2 29 11
31 4812 9 0 0 -1
32 50629 9 0 0 4
33 6167 9 0 0 2
34 46029 9 -2 -18 -9
35 6147 8 -3 -27 -11
36 18302 8 0 0 1
37 141127 8 1 14 6
38 272962 7 0 0 11
39 270776 7 7 0 0
40 45294 7 6 600 461
41 262940 7 0 0 7
42 46644 7 0 0 2
43 17451 7 0 0 -1
44 8048 7 3 75 51
45 25472 7 0 0 -5
46 17727 6 0 0 9
47 8452 6 0 0 4
48 174 6 2 50 43
49 18734 6 0 0 3