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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 7018 459 -2 0 0
1 41876 369 -26 -7 0
2 5384 244 -5 -2 2
3 6147 215 -45 -17 0
4 17639 167 -1 -1 1
5 24342 132 -2 -1 1
6 7713 89 2 2 2
7 30873 80 -32 -29 0
8 9583 63 -1 -2 2
9 8220 59 -8 -12 0
10 7029 49 1 2 2
11 9299 48 0 0 0
12 206863 47 0 0 1
13 2686 42 2 5 1
14 3758 41 1 2 1
15 267500 36 0 0 1
16 393735 35 0 0 1
17 174 33 5 18 4
18 577 32 0 0 0
19 3320 29 0 0 1
20 4134 27 -3 -10 -1
21 17995 24 -2 -8 1
22 8151 24 10 71 14
23 9930 24 0 0 0
24 2854 23 1 5 1
25 61689 23 3 15 2
26 4808 22 -1 -4 -2
27 5713 20 0 0 1
28 135480 19 0 0 3
29 9341 19 0 0 1
30 8437 17 0 0 2
31 3462 16 4 33 9
32 17429 16 -1 -6 1
33 10620 16 -5 -24 -7
34 24309 16 0 0 0
35 23679 16 -3 -16 -6
36 9498 14 0 0 -1
37 4812 14 1 8 0
38 14080 14 2 17 3
39 132199 13 1 8 3
40 9658 12 -1 -8 -2
41 131111 12 2 20 11
42 21021 12 0 0 2
43 17621 11 2 22 10
44 12389 11 3 38 18
45 4800 11 1 10 5
46 17451 11 1 10 1
47 3356 10 -1 -9 -2
48 7922 10 0 0 1
49 7303 10 -1 -9 -3