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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 458 -3 -1 0
1 41876 389 96 33 1
2 206655 331 331 0 0
3 701 298 -10 -3 -2
4 6147 256 94 58 1
5 5384 256 -5 -2 -2
6 17639 169 2 1 -2
7 30873 130 14 12 0
8 24342 119 1 1 -2
9 7713 77 -2 -3 -1
10 8220 67 1 2 -1
11 9583 55 7 15 0
12 7029 52 0 0 -2
13 9299 48 4 9 -1
14 267500 43 1 2 -1
15 2686 41 -1 -2 -1
16 206863 40 0 0 -1
17 3758 40 0 0 -1
18 393735 35 0 0 -1
19 24139 32 -2 -6 -1
20 577 32 -1 -3 -1
21 17995 29 -2 -6 -1
22 3320 29 0 0 -1
23 4134 29 3 12 0
24 4808 27 0 0 -2
25 9498 22 1 5 1
26 174 22 11 100 20
27 2854 22 0 0 -3
28 135480 21 -1 -5 -3
29 132199 20 9 82 15
30 5713 19 0 0 -2
31 4812 18 3 20 3
32 9341 18 0 0 -3
33 8437 17 1 6 -2
34 4837 16 -1 -6 -4
35 10620 16 4 33 5
36 23679 15 -1 -6 -4
37 24309 15 -1 -6 -4
38 17429 15 2 15 1
39 21021 13 0 0 -2
40 131111 13 2 18 3
41 14080 13 -1 -7 -5
42 132669 13 0 0 -4
43 32098 13 -7 -35 -16
44 12389 13 -1 -7 -9
45 9658 12 1 9 -4
46 17451 12 3 33 9
47 58224 11 3 38 17
48 7922 11 0 0 -6
49 8151 11 1 10 -1