SecNow!

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 442 26 6 0
1 17639 154 3 2 0
2 30873 117 -13 -10 0
3 7713 74 -4 -5 0
4 7029 41 -4 -9 2
5 393735 30 2 7 2
6 206863 30 -18 -38 -1
7 12389 26 4 18 2
8 9299 22 3 16 2
9 23679 20 7 54 10
10 5713 19 2 12 1
11 7303 17 0 0 2
12 4134 17 0 0 0
13 10620 16 -1 -6 1
14 9658 16 0 0 2
15 14080 15 1 7 3
16 17995 14 -3 -18 -1
17 46029 14 3 27 5
18 131111 13 3 30 8
19 3462 13 3 30 6
20 265583 13 1 8 1
21 9341 12 -3 -20 -4
22 8151 11 2 22 6
23 262186 11 -1 -8 -3
24 21021 11 1 10 0
25 17451 11 2 22 5
26 263675 10 6 150 70
27 140151 10 10 0 0
28 40867 10 0 0 -1
29 6167 9 0 0 0
30 50629 9 0 0 1
31 135325 9 0 0 1
32 58369 8 4 100 52
33 4787 8 1 14 8
34 8048 8 2 33 21
35 4812 8 0 0 2
36 9939 8 1 14 9
37 150266 8 0 0 -3
38 27695 8 1 14 1
39 18302 8 0 0 -4
40 28458 7 0 0 0
41 18734 7 1 17 11
42 13489 7 1 17 6
43 20539 7 4 133 70
44 45758 7 1 17 9
45 262940 7 1 17 1
46 46644 7 0 0 -2
47 45305 6 -1 -14 -4
48 4800 6 -2 -25 -10
49 17621 6 0 0 1