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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 439 23 6 0
1 30873 157 5 3 1
2 17639 144 -12 -8 -1
3 7713 73 1 1 0
4 7029 48 4 9 1
5 393735 42 3 8 1
6 24342 37 -11 -23 -2
7 206863 22 -10 -31 0
8 3462 20 1 5 2
9 132669 19 0 0 0
10 9658 18 -1 -5 1
11 8151 18 10 125 22
12 9299 17 -3 -15 -4
13 10620 17 -2 -11 -1
14 9341 16 1 7 -1
15 14080 16 1 7 -1
16 5384 15 3 25 4
17 23679 13 -1 -7 -1
18 13489 13 2 18 5
19 21021 12 0 0 0
20 17995 12 -2 -14 -5
21 12389 12 -1 -8 -3
22 8048 11 2 22 5
23 7303 10 -2 -17 -2
24 4800 10 1 11 4
25 174 10 2 25 13
26 6167 9 0 0 3
27 139008 9 4 80 32
28 50629 9 0 0 -2
29 4787 9 0 0 1
30 134236 9 9 0 0
31 17451 9 -2 -18 -9
32 46029 9 0 0 -7
33 18302 8 0 0 2
34 40867 8 -3 -27 -10
35 4812 8 0 0 5
36 270776 8 8 0 0
37 132199 8 2 33 18
38 131111 8 0 0 -2
39 3302 7 0 0 2
40 141474 7 -2 -22 -9
41 4766 7 1 17 10
42 272962 7 0 0 1
43 262940 7 0 0 2
44 135607 6 -1 -14 0
45 262913 6 2 50 27
46 45700 6 -1 -14 -4
47 45758 6 -2 -25 -10
48 20115 6 1 20 15
49 5617 6 0 0 8